Prijzen+7% bonus

Batch Image Generation API:One Key, Many Models

Use one GPTProto API key to run image jobs with GPT Image 2, Nano Banana, Seedream and other supported models. Compare outputs and costs on a sample set, then scale the model that fits your catalog or creative brief.

Modellen van
openai / gpt-image-2
// Batch output

Different images needdifferent models.

A catalog image, a game asset and a campaign visual may need different models. Test GPT Image 2, Nano Banana and Seedream with the same GPTProto key and shared balance. Keep your asset IDs and output review in one production workflow.

Before · five image APIs
Four unedited phone snapshots of products sitting on a cluttered desk: a dropper bottle, a mug, a worn sneaker and a supplement bottle
✕Five SDKs, five keys, five invoices
✕One image per call — retries by hand
✕Style drifts from model to model
✕$0.052 per image at official list price
After · gptproto
The same four products as clean studio shots on a seamless grey backdrop with soft shadows, produced as one batch
✓One key, one endpoint, one balance
✓Async batch jobs, resumable on failure
✓One reference image holds the look across the batch
✓$0.039 per image — before bonus credits

Same worker, same key — only the model name changes.

// SAME PROMPT, DIFFERENT RESULTS

One prompt. Sixteen models.See what each gets right.

Give each model the same brief and inspect the result before you commit a full image run. Compare the details it follows, the time this sample took and the cost of this request.

PromptAlmost every wine photo in training data shows a glass a third full, so models default to it. Filling the glass to the rim tests whether a model follows the prompt or the prior.

A wine glass filled to the brim with white wine, the surface level with the rim of the glass, standing upright on a plain wooden table. Straight-on eye-level shot, glass upright and not tilted, no other objects in the frame.

Sorteren op
Nano Banana 2 LiteGoogle$0.0202/ image2.7s
Kling Image O1Kling$0.0224/ image36.8s
Nano BananaGoogle$0.0234/ image5.8s
Vidu Q2Vidu$0.0240/ image29.4s
Seedream 4.0ByteDance$0.0255/ image5.8s
Seedream 4.5ByteDance$0.0340/ image8.4s
Grok Imagine Image 2.0Grok$0.0400/ image50.6s
Nano Banana 2Google$0.0402/ image9.0s
Seedream 5.0 ProByteDance$0.0405/ image123.6s
MidjourneyMidjourney$0.0608/ image40.5s
Nano Banana ProGoogle$0.0804/ image16.4s
GPT Image 1.5OpenAI$5.60 / $22.40/ 1M tok37.2s
GPT Image 2OpenAI$6.40 / $24.00/ 1M tok16.3s
GPT Image 1OpenAI$7.00 / $28.00/ 1M tok15.1s
GPT Image 2.5 SunburstOpenAI$7.60 / $28.50/ 1M tok26.4s
GPT Image 2.5 FlareOpenAI$7.60 / $28.50/ 1M tok14.9s
// 21 STYLES · 16 IMAGE MODELS

Same style brief.Different model interpretations.

Pick the look your project needs, then see how image models handle the same style brief. Compare the colors, composition and texture before choosing what to test in your own workflow.

Prompt

Studio headshot of a woman in a charcoal blazer against a mid-grey seamless backdrop, lit by a large softbox slightly above and to the left with a soft fill from the right, catchlights in both eyes. An 85mm look with shallow depth of field, skin texture and flyaway hairs kept rather than smoothed.

Sorteren op
Scène
Nano Banana 2 LiteGoogle$0.0202/ image5.7s
Kling Image O1Kling$0.0224/ image27.8s
Nano BananaGoogle$0.0234/ image6.6s
Vidu Q2Vidu$0.0240/ image34.8s
Seedream 4.0ByteDance$0.0255/ image7.0s
Seedream 4.5ByteDance$0.0340/ image9.0s
Grok Imagine Image 2.0Grok$0.0400/ image68.7s
Nano Banana 2Google$0.0402/ image12.6s
Seedream 5.0 ProByteDance$0.0405/ image46.1s
MidjourneyMidjourney$0.0608/ image52.4s
Nano Banana ProGoogle$0.0804/ image14.9s
GPT Image 1.5OpenAI$5.60 / $22.40/ 1M tok15.6s
GPT Image 2OpenAI$6.40 / $24.00/ 1M tok35.0s
GPT Image 1OpenAI$7.00 / $28.00/ 1M tok30.3s
GPT Image 2.5 SunburstOpenAI$7.60 / $28.50/ 1M tok31.2s
GPT Image 2.5 FlareOpenAI$7.60 / $28.50/ 1M tok19.4s
// WHY TEAMS CONSOLIDATE

More model options.Fewer provider accounts.

Try another model without opening another provider account. Keep your asset pipeline visible as volumes grow: know what was submitted, where the result went and how much each model costs.

01

One key, multiple image models

Test available image models under one GPTProto account and shared balance. See how each one handles your actual product or creative brief.

Browse image models →
02

Know the cost before a full run

Check the current rate for the model and settings you plan to use. Price a small sample first, then forecast a month of production.

Estimate image costs →
03

Keep the batch in your control

Assign a product or asset ID to each request, store the returned task ID and review finished, failed and uncertain submissions separately.

Waardeer nu $100 op → Oct 11 – Oct 31 · Beperkte voorraad · Wie het eerst komt, het eerst maalt
Waardeer nu op
// IMAGE MODELS FOR YOUR PIPELINE

Choose the image model.Know its price.

Try models for product imagery, reference-based edits and campaign assets from the same GPTProto account. Compare the output and current rate, then check each model's inputs before adding it to your worker.

E-commerce shots, game assets, packaging and short-drama key visuals — batch image production where reference-image consistency decides whether the batch is usable.

Consistente referentiesAsync batch jobsCost per image
API-sleutel aanvragen
ModelPrijs: GPTProtovs. officieelvs. OpenRouterContextModaliteitenStabiliteitActie
GPT Image 2OpenAI
$6.40per afbeelding−20%−24%—→Probeer
Nano Banana 2 (Gemini 3.1 Flash Image)Google
$0.040per afbeelding−40%−43%—→Probeer
Seedream 5.0 Pro (Build 260628)Bytedance
$0.038per afbeelding−15%−20%—→Probeer
Flux Kontext ProFlux
$0.032per afbeelding−20%−24%—→Probeer
Grok Imagine Image 2.0NieuwGrok
$0.040per afbeelding—−5%—→Probeer
Qwen ImageQwen
$0.025per afbeelding−30%−34%—→Probeer
// PLAN A PRODUCTION RUN

How many images
are on the list?

Use your GPTProto key to try a few models, then choose one and enter your expected monthly volume. Start with a small run to measure the cost of your actual prompts and settings.

01 / Wat gebruik je voornamelijk?
02 / Hoe intensief gebruik je de API maandelijks?

Video- en agentworkloads verbruiken sneller credits — de aanbeveling wordt automatisch aangepast wanneer je van scenario of gebruiksniveau wisselt.

$100
Afbeeldingen genereren · Gemiddeld — elke week — Voor afbeeldingsmodellen betaal je per uitvoer — ongeveer 2.400+ afbeeldingen per $100 aan credits.
Receive $104.00 · +4% bonus credits
2,400+ afbeeldingen
410+ video's
16.5M–33M tokens
Je bespaart t.o.v. de officiële prijs$30.00
Je bespaart t.o.v. OpenRouter$37.15
Waardeer nu $100 op → Oct 11 – Oct 31 · Beperkte voorraad · Wie het eerst komt, het eerst maalt
Waardeer nu op
// PRODUCTION WORKFLOWS

When a job fails, know
which image is missing.

One GPTProto key lets you work across supported image models. A 5,000-image run still needs to be traceable item by item: keep task IDs, check statuses and review failed or uncertain submissions before rerunning them.

01

Automatische failover

Image models run on redundant upstream channels. If one drops mid-batch, traffic shifts to a backup automatically — the run finishes instead of erroring out.

02

Redundante upstreamkanalen

Grote modellen worden geleverd via redundante upstreamkanalen, zodat een storing bij één provider je app nooit platlegt.

Modellen bekijken
03

24/7-monitoring

Traffic is monitored continuously and shifted automatically — problems get routed around before your pipeline ever notices.

// Besparingscalculator voor AI-API's

Price the batchbefore you run it.

Pick a model, set the image options and enter your monthly volume. See how the estimated API spend compares on the same settings.

Afbeelding · per afbeelding
Video · per clip van 5 sec
afbeeldingen / mnd
$2,227
per jaar bespaard t.o.v. OpenAI & OpenRouter (geschat)
JAARMNDDAG
OpenAI$9,600$800.00$26.30
OpenRouter (est.)$10,128$844.00$27.75
GPTProto$7,680$640.00$21.04
Modelkortingen bekijken
Waardeer nu $100 op → Oct 11 – Oct 31 · Beperkte voorraad · Wie het eerst komt, het eerst maalt
Waardeer nu op
// Ervaringen van anderen

Ontdek hoe anderen GPTProto gebruiken.

Makers en ontwikkelaars delen de modellen en workflows die ze hebben gebouwd.

BL
Blogstra
Reddit · r/Bloggers
#Routing

For a team already juggling DeepSeek, Kimi, Qwen, or other providers, a shared routing layer can be reasonable if it removes duplicated work and the fallback behavior is tested. GPTProto is one implementation of this approach.

KK
K
X (Twitter) · @ChillaiKalan__
#Cost

I've been testing GPTProto recently, and it's honestly made my creative workflow much simpler. Instead of paying for multiple subscriptions, I can access several leading AI models from one place.

SNSanskriti Naruka
Sanskriti Naruka
X (Twitter) · @snskritinaruka
#Video

I turned this single prompt into a cinematic fantasy video using GPTProto. "Continuous 15-second cinematic shot, 4K resolution, hyper-realistic dark fantasy photorealism…"

CFCaden Flux
Caden Flux
X (Twitter) · @Caden_Flux
#Video

I challenged myself to create a cinematic AI cooking short in just 15 seconds. I used GPTProto to bring the entire workflow together, from image generation to video, all in one place.

ZZara
Zara
X (Twitter) · @ZaraIrahh
#Creative

Made with Seedance 2.0 + GPT Image 2 on GPTProto. A Pixar-style commercial with the perfect glow.

MO
Many-Operation2625
Reddit · r/LLMDevs
#Integration

What worked for me was pointing the cloud connections at GPTProto so the frontend only sees one endpoint and I just change the model name to swap. I am not rebuilding a connection from scratch every time.

// Prijzen

Pay Per Image.
Geen abonnement. Geen minimum.

You only pay for the images you render. Top up once, spend it on any image model — top-ups of $20+ earn bonus credits.

$15
Gewoon tegoed · geen bonus

Get started. Enough to test the endpoint and render a first batch. Top up $20+ anytime to unlock bonus credits.

Maximale besparing · +6%
$1,000
+6% bonus credits

You get $600 in balance for $500 — bonus credits stack on top of already-discounted model pricing. Built for daily batch loads.

Gebruik je 100 miljoen tokens per maand op GPT Image 2? Met de prijzen van GPTProto bespaar je ongeveer $1,920 per jaar ten opzichte van de officiële prijzen — vóór bonuscredits.
// Veelgestelde vragen

Questions beforethe first batch

The practical details behind image jobs, model choices and costs.

01Does GPTProto offer a single Batch API for image jobs?+

The documented GPT Image 2 bulk workflow submits image requests through its model endpoint, stores a returned task ID for each request and checks the corresponding result. Do not assume that an OpenAI-style JSONL Batch endpoint is available on GPTProto. See the step-by-step guide for the current workflow.

02Can I generate images for different products in the same run?+

Yes. Keep one record per product or asset in your own queue, generate the model-specific request for each record and save the task ID with its SKU. Multiple variations of a single prompt and requests for many different products are two different workflows; choose the one your job requires.

03Can I use the same GPTProto API key for GPT Image 2, Nano Banana and Seedream?+

Yes, for supported models in your account: one GPTProto key and shared balance let you try different image models. Each model can still have its own endpoint, request fields, output format and billing unit. Check the model documentation before you change a production worker.

04How do I keep a long run from losing track of results?+

Save the asset ID, prompt version, model, settings and returned task ID after each accepted request. Query the task status and store the finished file in your own asset storage. On restart, check known task IDs before creating new jobs.

05What should I do if a request times out or hits a rate limit?+

Follow any rate-limit guidance and reduce concurrent submissions when you receive a 429. A connection timeout on a submission can leave the outcome uncertain; check your task history before resubmitting, because the first request may already have been accepted and billed. Review content or parameter errors rather than retrying them unchanged.

06Can a reference image keep every output identical?+

Reference and edit inputs depend on the model and task. They can help guide a look or preserve details, but they do not guarantee identical results across models or across every item. Test representative items and review product fidelity before a full run.

07How is the cost per image calculated?+

It depends on the model. Some models charge per request or output, while GPT Image 2 is listed with input and output token rates on its model page. Choose your actual size and quality, measure a sample and count retries or rejected results when forecasting production cost.

08Can I move an existing OpenAI image workflow over unchanged?+

Some supported OpenAI-compatible routes may need only configuration changes, but do not assume that applies to every model. For example, the documented Midjourney route has a different path. Confirm request fields, status handling and output formats with a sample before migration.

09Are top-up bonus credits included in the savings calculator?+

The model-rate comparison and any bonus-credit offer should appear separately. Check the current credit and eligibility terms at checkout; the estimate on this page must show which of the two it includes.

10Can I get invoices for my company?+

Contact the GPTProto team or check the account billing page for the current invoice request process and supported invoice details.

// Aan de slag

Je volgende 100.000.000 tokenshoeven niet de volle prijs te kosten.

Maak online afbeeldingen en video's, of integreer tekst-, afbeelding- en videomodellen in je app met één API-sleutel. Ontdek voordelige tarieven voor geselecteerde modellen.

  • ✓Compatibel met OpenAI
  • ✓Every major image model
  • ✓10–30% goedkoper dan officieel
  • ✓Hoge uptime, automatische failover
✓Gekopieerd naar het klembord