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Bytedance
dreamina-seedance-2-5-260628
Create 4–30s audio-video stories with the Seedance 2.5 API on GPTProto. Control duration, ratio, resolution, audio, and seed with one key for 200+ models.

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Seedance 2.5 API for Directed Audio-Video Stories

Generate 4–30 second text-to-video clips with selectable aspect ratio, resolution, generated audio, camera behavior, and seed control. Use one GPTProto API key and balance to test Seedance 2.5 alongside 200+ image, video, audio, and language models.

Directed Camera Motion

Describe framing, camera movement, blocking, scene changes, and timing in one prompt. Use the camera-fixed option when a locked viewpoint matters more than a moving shot.

Style: Authentic 16mm documentary camcorder footage. Real cinematic home-video realism. Shot like a behind-the-scenes documentary following a young filmmaker during one realistic morning. Visual characteristics: handheld POV camera movement, natural camera shake, imperfect framing, autofocus breathing, subtle tape grain, soft highlight rolloff, mild exposure flicker, realistic motion blur, natural skin texture, muted documentary colors. No cinematic filters. No artificial beauty look. No commercial polish. The camera movement should feel physically operated by a real person: walking movement, small framing corrections, natural handheld instability. --- CHARACTER: CHASE. A Korean woman in her 20s. Appearance: long black hair, glass skin, natural makeup, realistic facial details. Outfit: morning casual loungewear, simple neutral jacket, black trousers. Maintain exactly the same face, hair, body proportions, and clothing continuity throughout the entire video. She should feel like a real documentary subject. --- LOCATION: One continuous realistic day: Apartment → Coffee preparation → Small film studio → Outdoor shooting location. Real-world environment. No futuristic equipment. --- VIDEO STRUCTURE: SCENE 01 — 0:00-0:03 MORNING APARTMENT Handheld POV camera follows CHASE waking up in a small apartment. She checks her phone alarm. Close-up: Her fingers unlock the phone, scroll through the shooting schedule, tap notes. She ties her long black hair, puts on a jacket, picks up a notebook and camera bag. Important details: Natural hand movement. Accurate finger interaction with phone screen. Realistic fabric movement. VOICEOVER: "Every filming day starts earlier than I expect." --- SCENE 02 — 0:03-0:06 COFFEE AND STEAM TEST In a small kitchen. CHASE makes coffee before leaving. Close-up macro shot: Her hands hold a ceramic cup. Hot coffee steam rises naturally. Morning sunlight passes through the steam. She writes notes beside the coffee cup. Important generation challenge: realistic steam physics, transparent vapor movement, light interaction, natural hand movement, liquid surface reflection. VOICEOVER: "Coffee first... then everything begins." --- SCENE 03 — 0:06-0:10 ARRIVING ON FILM SET Handheld tracking shot. CHASE walks into a small realistic film set. Camera follows behind her. Crew members adjust: camera tripod, cinema camera, soft lights, monitor. CHASE operates the camera. Close-up: Her hands adjust focus ring, change camera settings, move a small prop. Important: accurate hand anatomy, precise finger interaction, real camera operation. VOICEOVER: "Once we arrive, every detail matters." --- SCENE 04 — 0:10-0:13 THE SHOT Dynamic handheld camera movement. CHASE stands behind the camera. She says: "Action." The camera operator films an actor. The shot moves: slow push-in, small handheld correction, natural focus shift. Lighting changes naturally as actors move. No dramatic Hollywood movement. Only realistic documentary filming. --- SCENE 05 — 0:13-0:15 FINAL REVIEW CHASE watches the footage on the monitor. Close-up: Her face reflected on the screen. She smiles slightly. She rewinds the footage. Her hand presses the playback button. Final shot: The monitor shows the completed scene. VOICEOVER: "That's the shot." --- CONTINUITY REQUIREMENTS: Maintain the same CHASE character identity throughout. Same: face, hair, skin texture, body shape, clothing, notebook, camera equipment. One continuous realistic day. --- PHYSICAL REALISM REQUIREMENTS: Prioritize: realistic hands, five fingers, natural gestures, accurate object interaction, real steam simulation, realistic lighting response, true camera physics, natural human movement. Avoid: extra fingers, deformed hands, floating objects, teleportation, duplicate people, changing faces, changing clothes, impossible camera movement, CGI appearance, AI artifacts. Overall feeling: A real documentary filmmaker captured on a handheld camera. Not an AI-generated video. Not a commercial. A believable human moment.

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After

Directed Camera Motion

Describe framing, camera movement, blocking, scene changes, and timing in one prompt. Use the camera-fixed option when a locked viewpoint matters more than a moving shot.

arrow

Style: Authentic 16mm documentary camcorder footage. Real cinematic home-video realism. Shot like a behind-the-scenes documentary following a young filmmaker during one realistic morning. Visual characteristics: handheld POV camera movement, natural camera shake, imperfect framing, autofocus breathing, subtle tape grain, soft highlight rolloff, mild exposure flicker, realistic motion blur, natural skin texture, muted documentary colors. No cinematic filters. No artificial beauty look. No commercial polish. The camera movement should feel physically operated by a real person: walking movement, small framing corrections, natural handheld instability. --- CHARACTER: CHASE. A Korean woman in her 20s. Appearance: long black hair, glass skin, natural makeup, realistic facial details. Outfit: morning casual loungewear, simple neutral jacket, black trousers. Maintain exactly the same face, hair, body proportions, and clothing continuity throughout the entire video. She should feel like a real documentary subject. --- LOCATION: One continuous realistic day: Apartment → Coffee preparation → Small film studio → Outdoor shooting location. Real-world environment. No futuristic equipment. --- VIDEO STRUCTURE: SCENE 01 — 0:00-0:03 MORNING APARTMENT Handheld POV camera follows CHASE waking up in a small apartment. She checks her phone alarm. Close-up: Her fingers unlock the phone, scroll through the shooting schedule, tap notes. She ties her long black hair, puts on a jacket, picks up a notebook and camera bag. Important details: Natural hand movement. Accurate finger interaction with phone screen. Realistic fabric movement. VOICEOVER: "Every filming day starts earlier than I expect." --- SCENE 02 — 0:03-0:06 COFFEE AND STEAM TEST In a small kitchen. CHASE makes coffee before leaving. Close-up macro shot: Her hands hold a ceramic cup. Hot coffee steam rises naturally. Morning sunlight passes through the steam. She writes notes beside the coffee cup. Important generation challenge: realistic steam physics, transparent vapor movement, light interaction, natural hand movement, liquid surface reflection. VOICEOVER: "Coffee first... then everything begins." --- SCENE 03 — 0:06-0:10 ARRIVING ON FILM SET Handheld tracking shot. CHASE walks into a small realistic film set. Camera follows behind her. Crew members adjust: camera tripod, cinema camera, soft lights, monitor. CHASE operates the camera. Close-up: Her hands adjust focus ring, change camera settings, move a small prop. Important: accurate hand anatomy, precise finger interaction, real camera operation. VOICEOVER: "Once we arrive, every detail matters." --- SCENE 04 — 0:10-0:13 THE SHOT Dynamic handheld camera movement. CHASE stands behind the camera. She says: "Action." The camera operator films an actor. The shot moves: slow push-in, small handheld correction, natural focus shift. Lighting changes naturally as actors move. No dramatic Hollywood movement. Only realistic documentary filming. --- SCENE 05 — 0:13-0:15 FINAL REVIEW CHASE watches the footage on the monitor. Close-up: Her face reflected on the screen. She smiles slightly. She rewinds the footage. Her hand presses the playback button. Final shot: The monitor shows the completed scene. VOICEOVER: "That's the shot." --- CONTINUITY REQUIREMENTS: Maintain the same CHASE character identity throughout. Same: face, hair, skin texture, body shape, clothing, notebook, camera equipment. One continuous realistic day. --- PHYSICAL REALISM REQUIREMENTS: Prioritize: realistic hands, five fingers, natural gestures, accurate object interaction, real steam simulation, realistic lighting response, true camera physics, natural human movement. Avoid: extra fingers, deformed hands, floating objects, teleportation, duplicate people, changing faces, changing clothes, impossible camera movement, CGI appearance, AI artifacts. Overall feeling: A real documentary filmmaker captured on a handheld camera. Not an AI-generated video. Not a commercial. A believable human moment.

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Synchronized Audio Output

Generate audio with the video instead of adding a separate sound pass. Treat dialogue, music, ambience, and sound cues as production elements in the prompt.

A cheerful and attractive American female influencer is filming a UGC-style video in a cozy, sunlit bedroom, speaking directly to the camera while casually going through her morning routine. The video feels natural and unfiltered, like a real moment from her day rather than staged content. She speaks in clear English with a natural American accent, using a calm, friendly, and relatable tone. She is wearing a soft, minimal lounge outfit—like an oversized sweater and shorts—with natural, no-makeup makeup and slightly messy hair. She smiles gently, occasionally adjusting the camera or sipping from a mug while talking. She says: "I don’t know who needs to hear this, but you don’t have to have your life together by 9am. Some days I wake up slow, take my time, and honestly… those days feel the best." The room is softly lit with natural sunlight coming through a window. Background is minimal—bed, plant, maybe a mirror. Camera shot: handheld, slightly shaky front-facing camera, medium close-up. Overall style: cozy, real-life, soft aesthetic. Language: English Accent: American Tone: calm, comforting, relatable Speaking speed: slow to natural

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Synchronized Audio Output

Generate audio with the video instead of adding a separate sound pass. Treat dialogue, music, ambience, and sound cues as production elements in the prompt.

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A cheerful and attractive American female influencer is filming a UGC-style video in a cozy, sunlit bedroom, speaking directly to the camera while casually going through her morning routine. The video feels natural and unfiltered, like a real moment from her day rather than staged content. She speaks in clear English with a natural American accent, using a calm, friendly, and relatable tone. She is wearing a soft, minimal lounge outfit—like an oversized sweater and shorts—with natural, no-makeup makeup and slightly messy hair. She smiles gently, occasionally adjusting the camera or sipping from a mug while talking. She says: "I don’t know who needs to hear this, but you don’t have to have your life together by 9am. Some days I wake up slow, take my time, and honestly… those days feel the best." The room is softly lit with natural sunlight coming through a window. Background is minimal—bed, plant, maybe a mirror. Camera shot: handheld, slightly shaky front-facing camera, medium close-up. Overall style: cozy, real-life, soft aesthetic. Language: English Accent: American Tone: calm, comforting, relatable Speaking speed: slow to natural

Prompt
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Controlled Creative Tests

Set an explicit seed to make A/B tests more comparable, then change one variable at a time: prompt, duration, ratio, resolution, audio, or camera behavior.

Create a cinematic luxury laundry detergent commercial. TITLE: HOW DO YOU FILM A SCENT? Duration: 30 seconds Aspect Ratio: 16:9 STYLE: Premium cinematic lifestyle advertisement. Realistic human emotion combined with magical visual storytelling. Natural camera movement. Soft cinematic lighting. Realistic fabric physics. Natural human motion. The visual feeling: A warm morning memory. Clean home. Comfort. Fresh fragrance. Not a typical product commercial. The story should show: A scent transforming into a visual world. --- PRODUCT: A premium laundry detergent bottle. Packaging: Milk-yellow matte bottle. Minimal elegant label. Soft beige and warm white design. Maintain the exact same product appearance throughout the video. --- CHARACTER: A young woman in her late 20s. Natural appearance. Soft makeup. Comfortable home clothing. Warm and gentle personality. Maintain consistent face, hair, and clothing. --- SCENE 01 — 0:00-0:05 MORNING HOME A peaceful sunny morning. Warm sunlight enters a bedroom. The woman picks up a soft white bedsheet from the bed. Close-up: Her hands touch the fabric. The fabric feels soft and fresh. Camera: Slow handheld movement. Natural home documentary feeling. --- SCENE 02 — 0:05-0:10 LAUNDRY MOMENT The woman puts the bedsheet into a modern washing machine. She takes the milk-yellow laundry detergent bottle. Close-up: Her hand opens the bottle. She pours the detergent into the washing machine. Important details: Realistic hand movement. Accurate liquid pouring. Natural liquid texture. Realistic reflections. Camera: Macro product shot. --- SCENE 03 — 0:10-0:15 THE CLEAN TRANSFORMATION The washing machine spins. Cut to: Freshly washed bedsheet hanging outside. Sunlight passes through the white fabric. The fabric moves gently in the wind. Tiny water droplets disappear. The scene feels fresh and peaceful. --- SCENE 04 — 0:15-0:23 THE IMPOSSIBLE MOMENT The woman takes the dried bedsheet. She brings it close and smells the fabric. As she inhales... Reality slowly transforms. The bedroom disappears. The environment becomes a huge warm kapok flower field. Endless soft red-orange kapok flowers. Sunlight shines through the flowers. Gentle wind moves petals around her. The bedsheet flows like a soft cloud. The fragrance becomes visible as a warm golden atmosphere. Important: Smooth realistic transition. No fantasy distortion. The transformation should feel emotional and magical. --- SCENE 05 — 0:23-0:27 MEMORY OF FRAGRANCE She walks through the flower field holding the soft fabric. She smiles peacefully. The atmosphere feels: warm, safe, comfortable, like childhood memories. Camera: cinematic tracking shot. Natural movement. --- SCENE 06 — 0:27-0:30 RETURN TO REALITY The woman returns to the bedroom. She hugs the clean bedsheet. The milk-yellow detergent bottle sits beside the fresh laundry. Final product shot. Warm sunlight. Camera slowly pushes in. Ending feeling: A fragrance that brings a world home. --- VISUAL PRIORITIES: Emphasize: - realistic fabric movement - natural hand interaction - liquid physics - soft sunlight - cinematic camera movement - emotional facial expression - smooth reality-to-fantasy transition Avoid: CGI appearance, unrealistic fantasy style, plastic skin, fake flowers, floating objects, distorted hands, changing product packaging, random product design changes. Overall feeling: A luxury fragrance commercial that was impossible to film traditionally. Created with AI.

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Controlled Creative Tests

Set an explicit seed to make A/B tests more comparable, then change one variable at a time: prompt, duration, ratio, resolution, audio, or camera behavior.

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Create a cinematic luxury laundry detergent commercial. TITLE: HOW DO YOU FILM A SCENT? Duration: 30 seconds Aspect Ratio: 16:9 STYLE: Premium cinematic lifestyle advertisement. Realistic human emotion combined with magical visual storytelling. Natural camera movement. Soft cinematic lighting. Realistic fabric physics. Natural human motion. The visual feeling: A warm morning memory. Clean home. Comfort. Fresh fragrance. Not a typical product commercial. The story should show: A scent transforming into a visual world. --- PRODUCT: A premium laundry detergent bottle. Packaging: Milk-yellow matte bottle. Minimal elegant label. Soft beige and warm white design. Maintain the exact same product appearance throughout the video. --- CHARACTER: A young woman in her late 20s. Natural appearance. Soft makeup. Comfortable home clothing. Warm and gentle personality. Maintain consistent face, hair, and clothing. --- SCENE 01 — 0:00-0:05 MORNING HOME A peaceful sunny morning. Warm sunlight enters a bedroom. The woman picks up a soft white bedsheet from the bed. Close-up: Her hands touch the fabric. The fabric feels soft and fresh. Camera: Slow handheld movement. Natural home documentary feeling. --- SCENE 02 — 0:05-0:10 LAUNDRY MOMENT The woman puts the bedsheet into a modern washing machine. She takes the milk-yellow laundry detergent bottle. Close-up: Her hand opens the bottle. She pours the detergent into the washing machine. Important details: Realistic hand movement. Accurate liquid pouring. Natural liquid texture. Realistic reflections. Camera: Macro product shot. --- SCENE 03 — 0:10-0:15 THE CLEAN TRANSFORMATION The washing machine spins. Cut to: Freshly washed bedsheet hanging outside. Sunlight passes through the white fabric. The fabric moves gently in the wind. Tiny water droplets disappear. The scene feels fresh and peaceful. --- SCENE 04 — 0:15-0:23 THE IMPOSSIBLE MOMENT The woman takes the dried bedsheet. She brings it close and smells the fabric. As she inhales... Reality slowly transforms. The bedroom disappears. The environment becomes a huge warm kapok flower field. Endless soft red-orange kapok flowers. Sunlight shines through the flowers. Gentle wind moves petals around her. The bedsheet flows like a soft cloud. The fragrance becomes visible as a warm golden atmosphere. Important: Smooth realistic transition. No fantasy distortion. The transformation should feel emotional and magical. --- SCENE 05 — 0:23-0:27 MEMORY OF FRAGRANCE She walks through the flower field holding the soft fabric. She smiles peacefully. The atmosphere feels: warm, safe, comfortable, like childhood memories. Camera: cinematic tracking shot. Natural movement. --- SCENE 06 — 0:27-0:30 RETURN TO REALITY The woman returns to the bedroom. She hugs the clean bedsheet. The milk-yellow detergent bottle sits beside the fresh laundry. Final product shot. Warm sunlight. Camera slowly pushes in. Ending feeling: A fragrance that brings a world home. --- VISUAL PRIORITIES: Emphasize: - realistic fabric movement - natural hand interaction - liquid physics - soft sunlight - cinematic camera movement - emotional facial expression - smooth reality-to-fantasy transition Avoid: CGI appearance, unrealistic fantasy style, plastic skin, fake flowers, floating objects, distorted hands, changing product packaging, random product design changes. Overall feeling: A luxury fragrance commercial that was impossible to film traditionally. Created with AI.

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4–30 Second Story Control

Set a duration from 4 to 15 seconds, then choose the aspect ratio and resolution exposed by the live endpoint for ads, story beats, and previsualization.

CAMERA: Handheld DV 16mm daily vlog footage. The video MUST begin with her holding the camera at arm's length in selfie mode while stepping outside her apartment building with her dog. The first 20–30 seconds are entirely handheld. Later she occasionally places the camera on a park bench, low stone wall, picnic table, or the ground for wider shots. Keep subtle handheld shake, drifting composition, autofocus hunting, rushed reframing, uneven zooms, exposure breathing, brief accidental face cropping, and imperfect framing throughout. The camera itself is never visible. LOOK: Warm analog tape texture with gentle film grain, slightly softened sharpness, subtle halation around sunlight, realistic skin tones, low contrast, tiny exposure shifts, and natural motion blur. It should feel like authentic footage from someone's everyday life rather than a polished commercial. STYLE: A relaxed morning lifestyle vlog. Quiet, cozy, and spontaneous. She occasionally laughs at her dog, pauses to look around, adjusts the leash, brushes hair away from her face, and speaks naturally in short sentences with comfortable pauses. CHARACTER: EMMA — a beautiful white woman in her mid-20s. Long light brown hair in a messy ponytail, green eyes, minimal makeup, oversized gray hoodie, black biker shorts, white sneakers, and a small crossbody bag. She is walking a happy golden retriever. SETTING: A peaceful suburban neighborhood on a sunny morning. Tree-lined sidewalks, quiet residential streets, birds singing, a small park with benches, green grass, and soft golden morning light. Very few people are around. SCENES: The vlog opens in selfie mode. Emma holds the camera while leaving her apartment building with the golden retriever excitedly pulling on the leash. "Good morning." She smiles. "Someone couldn't wait." The dog eagerly sniffs everything as they walk down the sidewalk. She laughs quietly. "He has to inspect every single tree." Still holding the camera, she walks into a small neighborhood park. The dog suddenly stops and stares at a squirrel. "Oh... there we go." She smiles and gently shakes her head. She places the camera on a nearby bench for a wider angle while throwing a tennis ball. The dog happily chases after it. "Worth waking up early." She picks the camera back up. Walking slowly through the park, she looks up at the trees for a moment. "It's actually really peaceful out here." The dog returns with the ball but drops it halfway. She laughs. "Close enough." She sits on the bench while the dog lies beside her. She scratches behind his ears. "I think he's happier than I am." She stands up and continues walking. The camera stays in selfie mode as they head toward home. "Coffee is definitely next." She smiles into the lens. "See you later." She gives a small wave and ends the recording.

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4–30 Second Story Control

Set a duration from 4 to 15 seconds, then choose the aspect ratio and resolution exposed by the live endpoint for ads, story beats, and previsualization.

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CAMERA: Handheld DV 16mm daily vlog footage. The video MUST begin with her holding the camera at arm's length in selfie mode while stepping outside her apartment building with her dog. The first 20–30 seconds are entirely handheld. Later she occasionally places the camera on a park bench, low stone wall, picnic table, or the ground for wider shots. Keep subtle handheld shake, drifting composition, autofocus hunting, rushed reframing, uneven zooms, exposure breathing, brief accidental face cropping, and imperfect framing throughout. The camera itself is never visible. LOOK: Warm analog tape texture with gentle film grain, slightly softened sharpness, subtle halation around sunlight, realistic skin tones, low contrast, tiny exposure shifts, and natural motion blur. It should feel like authentic footage from someone's everyday life rather than a polished commercial. STYLE: A relaxed morning lifestyle vlog. Quiet, cozy, and spontaneous. She occasionally laughs at her dog, pauses to look around, adjusts the leash, brushes hair away from her face, and speaks naturally in short sentences with comfortable pauses. CHARACTER: EMMA — a beautiful white woman in her mid-20s. Long light brown hair in a messy ponytail, green eyes, minimal makeup, oversized gray hoodie, black biker shorts, white sneakers, and a small crossbody bag. She is walking a happy golden retriever. SETTING: A peaceful suburban neighborhood on a sunny morning. Tree-lined sidewalks, quiet residential streets, birds singing, a small park with benches, green grass, and soft golden morning light. Very few people are around. SCENES: The vlog opens in selfie mode. Emma holds the camera while leaving her apartment building with the golden retriever excitedly pulling on the leash. "Good morning." She smiles. "Someone couldn't wait." The dog eagerly sniffs everything as they walk down the sidewalk. She laughs quietly. "He has to inspect every single tree." Still holding the camera, she walks into a small neighborhood park. The dog suddenly stops and stares at a squirrel. "Oh... there we go." She smiles and gently shakes her head. She places the camera on a nearby bench for a wider angle while throwing a tennis ball. The dog happily chases after it. "Worth waking up early." She picks the camera back up. Walking slowly through the park, she looks up at the trees for a moment. "It's actually really peaceful out here." The dog returns with the ball but drops it halfway. She laughs. "Close enough." She sits on the bench while the dog lies beside her. She scratches behind his ears. "I think he's happier than I am." She stands up and continues walking. The camera stays in selfie mode as they head toward home. "Coffee is definitely next." She smiles into the lens. "See you later." She gives a small wave and ends the recording.

Prompt
After

What Is Seedance 2.5?

Seedance 2.5 is ByteDance Seed's audio-video generation model for longer narrative sequences, multimodal referencing, and targeted editing. ByteDance documents a 30-second single-pass maximum, multi-round video extension, timestamp-level editing, and synchronized audio-video generation. The official reference workflow can accept up to 30 images, 10 video clips, and 10 audio clips in one request.

Those provider-level capabilities are broader than the integration currently shown on this GPTProto model page. The live GPTProto Seedance 2.5 API page exposes text-to-video generation from 4 to 15 seconds, with controls for aspect ratio, resolution, generated audio, fixed-camera behavior, and seed. Developers should build against the values in the live endpoint rather than assuming every capability announced by ByteDance is already available through this model ID.

Seedance 2.5 Specifications on GPTProto

Specification Verified current value
Provider ByteDance Seed
GPTProto model string dreamina-seedance-2-5-260628
Current GPTProto task Text-to-video
Current GPTProto duration 4–30 seconds
Current page default 5 seconds, 16:9, 720p, generated audio enabled
Exposed controls Prompt, aspect ratio, duration, resolution, generated audio, camera fixed, and seed
Seed behavior -1 is the current default; set an explicit value for repeatable tests
Official model maximum Up to 30 seconds in one pass; not exposed by the current GPTProto duration control
Official reference capacity Up to 30 images, 10 videos, and 10 audio clips; not exposed on the current GPTProto text-to-video page
Output Video with optional generated audio

Seedance 2.5 API Access on GPTProto

GPTProto is most useful when the application needs more than one model. One API key and one balance can cover Seedance 2.5, Seedance 2.0, Seedance 2.0 Mini, Kling 3.0 4K, and other models in the video model catalog. This reduces separate provider accounts and credit balances when a team is testing quality, cost, or fallback behavior.

Use dreamina-seedance-2-5-260628 for the text-to-video task documented on this page. Do not assume it is a drop-in replacement for BytePlus ModelArk: the model string, request schema, supported duration, and available modes differ. The live GPTProto parameter panel and fixed Quick Start block are the source of truth for requests sent through GPTProto.

Seedance 2.5 vs Seedance 2.0

The main improvement is not simply a higher version number. ByteDance expanded the amount of story that can fit in one generation, increased reference capacity, and added more precise editing controls.

Area Seedance 2.5 Seedance 2.0
Official single-pass maximum Up to 30 seconds Up to 15 seconds
Long-form workflow Multi-round extension with stronger continuity across appended shots Earlier 15-second generation workflow
Official reference capacity Up to 30 images, 10 videos, and 10 audio clips Earlier multimodal reference system with lower capacity
Editing direction Timestamp-level targeting plus upgraded green-screen, camera-perspective, and reference-based editing Earlier editing and reference workflow
Best reason to evaluate Longer narrative structure, richer reference planning, and more targeted revisions Established shorter workflows and additional GPTProto variants
GPTProto testing Current page exposes 4–15 second text-to-video Test the relevant Seedance 2.0 or Mini model page with the same prompt and scoring rubric

For a fair Seedance 2.5 vs Seedance 2.0 test, keep the duration, aspect ratio, resolution, audio setting, prompt, and review criteria constant. Score subject continuity, shot transitions, prompt compliance, hand and object interactions, audio timing, and the number of usable seconds rather than choosing a winner from one visually attractive frame. Using Seedance 2.5 for Cinematic and Ecommerce Video

For cinematic previsualization, divide a 30-second prompt into three timed beats: setup, action, and resolution. Specify shot size, camera path, subject blocking, lighting, environment, and audio cues. A compact timeline gives the model clearer direction than a long list of unrelated visual adjectives.

For ecommerce applications, use the text-to-video endpoint for concept ads, product-category stories, campaign mood tests, and voiceover-led social clips. The current GPTProto page does not expose image or video reference uploads. If exact product shape, packaging, logo, or spokesperson identity must remain unchanged, confirm a reference-enabled task before presenting the output as product-accurate.

For cinematic or ad variants, set an explicit seed and change one control at a time. This makes it easier to tell whether a result changed because of the prompt, duration, aspect ratio, resolution, audio setting, or random sampling.

Batch Video with the Seedance 2.5 API

The current page does not document a dedicated server-side batch endpoint. For batch video generation, queue individual jobs in the application, store each task ID with its prompt and parameters, limit concurrency, and retry only failed tasks. Use an explicit seed for controlled comparisons; keep -1 when each job should receive a random result.

This pattern works for campaign variants, localized scripts, storyboard alternatives, and catalog-scale concept testing. Review outputs before publication because a successful API response does not guarantee accurate products, readable text, correct hands, stable multi-subject interaction, or brand compliance.

Known Limits to Check Before Deployment

ByteDance states that Seedance 2.5 still has room to improve in the physical plausibility of complex motion and the stability of scenes with multiple interacting subjects. Test contact, hand-object interaction, fast movement, reflections, and character continuity against the application's acceptance criteria.

Also separate model announcements from endpoint reality. ByteDance describes 30-second generation and up to 50 combined reference assets, while the current GPTProto page exposes 4–15 second text-to-video without reference uploads. Check the live controls again before launch because supported values can change independently of this editorial copy.

How to Get a dreamina-seedance-2-5-260628 API Key

Getting a dreamina-seedance-2-5-260628 API key takes four steps and a few minutes. Create a free GPTProto account, add credits, generate your key, and make your first call — at $0.452 it's a cheaper dreamina-seedance-2-5-260628 API key than going direct, and one key works across every model on the platform. Full dreamina-seedance-2-5-260628 Documentation is in the docs.

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Create your free GPT Proto account to begin. You can set up an organization for your team at any time.

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Your balance can be used across all models on the platform, including dreamina-seedance-2-5-260628, giving you the flexibility to experiment and scale as needed.

Generate your API key

Generate your API key

In your dashboard, create an API key — you'll need it to authenticate when making requests to dreamina-seedance-2-5-260628.

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Use your API key with our sample code to send a request to dreamina-seedance-2-5-260628 via GPT Proto and see instant AI-powered results.

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Seedance 2.5 API: Frequently Asked Questions

Is the Seedance 2.5 API live on GPTProto?

Yes. GPTProto currently lists `dreamina-seedance-2-5-260628` for text-to-video generation. The live page exposes prompt, aspect ratio, duration, resolution, generated audio, camera-fixed behavior, and seed controls.

What does the Seedance 2.5 API cost on GPTProto?

Use the fixed live pricing panel because the total changes with the selected generation settings. GPTProto's current rate is approximately 10% above the official reference, so the platform value is one key and balance across 200+ models rather than a direct-price discount.

Does this endpoint support Seedance 2.5 text-to-video?

Yes. Text-to-video is the task currently exposed for `dreamina-seedance-2-5-260628`. The page accepts a text prompt and returns video with an option to generate audio.

Can I use Seedance 2.5 for batch video generation?

Yes, by orchestrating multiple individual API tasks in your application. The current page does not document a dedicated batch method, so add a queue, concurrency limits, task tracking, retries, and output review around the standard request flow.

Is Seedance 2.5 suitable for ecommerce ads?

It is useful for text-led product concepts, campaign mood tests, and short social ads. For exact product or logo consistency, use a confirmed reference-enabled workflow and review every output; the current GPTProto text-to-video page does not accept a product image.

How is Seedance 2.5 different from Seedance 2.0?

The official model doubles the single-pass ceiling from 15 to 30 seconds, accepts more multimodal references, and adds more precise editing.

How do I access a Seedance 2.5 API key?

Use the fixed GPTProto API-key flow shown on the page. The resulting key works with other supported models under the same balance, so applications can test alternatives or add fallbacks without creating a separate key for every provider.

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