Native Bilingual Logic
The doubao seed 1.6 flash api provides superior understanding of Chinese cultural context and idioms, scoring 91.2% on C-Eval, making it the premier choice for bilingual applications.
Doubao Seed 1.6 (Build 250615)
The doubao seed 1.6 flash api offers high-performance bilingual AI with a 128k context window. Optimized by ByteDance for low latency and cost-efficiency, it excels in Chinese-English tasks and complex function calling for enterprise workflows.
API Usage Examples
curl --request POST "https://gptproto.com/v1/chat/completions" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"model": "doubao-seed-1-6-250615",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'Doubao Seed 1.6 250615 pricing
Chat, coding agents & document work. Priced per 1M tokens — input, cached input and output are billed separately. GPTProto is 15% below official rates.
Your usage
Bytedance · ≈ 100M tokens/mo (0M cached)
OpenRouter
List + 5.5% credit fee
$15.6667
per month
Input (non-cached)$9.6384
Output$6.0282
Bytedance
Direct from Bytedance (list price)
$14.85
per month
Input (non-cached)$9.1359
Output$5.714
BEST VALUE
GPTProto
15% off official
$12.624
per month
After discount$12.624
Effective$12.624
Monthly cost by source
OpenRouter
$15.6667
Bytedance
$14.85
GPTProto
$12.624
Save $2.23 / month
on GPTProto vs Bytedance (−15%)
Annual savings ≈ $26.71 · pay as you go
GPTProto applies a per-model discount (10–30% off official) on top of bonus credits — every unit costs less than going direct.
Related Models
All Models
| Model | Input → Output | ||||
|---|---|---|---|---|---|
| 262K | $0.10 / $0.24 per 1M | — | Input: TextInput: Image Output: Text | |
| — | — | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: TextInput: Image Output: Text | |
| 1.05M | $0.79 / $2.38 per 1M | — / $0.04 per 1M | Input: Text Output: Text | ||
| 1.05M | $8.00 / $40.00 per 1M | $10.00 / $0.80 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text | ||
| 1M | $9.00 / $45.00 per 1M | $11.25 / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1M | $1.80 / $5.40 per 1M | $2.25 / $0.23 per 1M | Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text | ||
| — | 1.31M | $0.15 / $0.50 per 1M | — / $0.03 per 1M | Input: TextInput: ImageInput: VideoInput: Document Output: Text | |
| — | 1.05M | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: TextInput: Image Output: Text | |
| 1.31M | $1.26 / $3.96 per 1M | — / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 500K | $1.20 / $3.60 per 1M | — / $0.30 per 1M | Input: TextInput: Image Output: Text | ||
| 1M | $1.80 / $5.40 per 1M | $2.25 / $0.23 per 1M | Input: TextInput: ImageInput: VideoInput: Document Output: Text | ||
| 1M | $4.50 / $22.50 per 1M | $5.63 / $0.45 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.90 / $4.50 per 1M | $0.60 / $0.09 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $2.70 / $13.50 per 1M | $0.27 / $0.27 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $0.16 / $0.96 per 1M | $0.20 / $0.02 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $1.60 / $9.60 per 1M | $2.00 / $0.16 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 500K | $1.20 / $3.60 per 1M | $0.30 / $0.30 per 1M | Input: TextInput: Image Output: Text | ||
| 1M | $1.80 / $9.00 per 1M | $2.25 / $0.18 per 1M | Input: TextInput: Document Output: Text | ||
| 1.05M | $0.48 / $0.96 per 1M | $0.10 / $0.10 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1.05M | $1.26 / $3.96 per 1M | $0.23 / $0.23 per 1M | Input: TextInput: ImageInput: Document Output: Text | ||
| 1M | $0.36 / $1.44 per 1M | $0.07 / $0.07 per 1M | Input: TextInput: Document Output: Text | ||
| — | 1.05M | $0.30 / $1.20 per 1M | — / $0.006 per 1M | Input: Text Output: Text | |
| 1M | $0.75 / $1.50 per 1M | $0.12 / $0.12 per 1M | Input: TextInput: Image Output: Text | ||
| 262K | $0.85 / $3.60 per 1M | $0.14 / $0.14 per 1M | Input: TextInput: Document Output: Text | ||
| 205K | $0.24 / $0.96 per 1M | $0.30 / $0.02 per 1M | Input: TextInput: Document Output: Text | ||
| 262K | $0.54 / $2.70 per 1M | $0.09 / $0.09 per 1M | Input: TextInput: Document Output: Text | ||
| 262K | $0.10 / $0.97 per 1M | — | Input: TextInput: Image Output: Text | ||
| 262K | $0.10 / $0.97 per 1M | — | Input: TextInput: Image Output: Text | ||
| 262K | $0.02 / $0.18 per 1M | — | Input: TextInput: Image Output: Text | ||
| — | $0.10 / $0.24 per 1M | — | Input: Text Output: Text | ||
| — | $0.36 / $1.09 per 1M | — | Input: TextInput: Image Output: Text |
Doubao Seed 1.6 Flash API Features
Explore the core technical advantages of using the doubao seed 1.6 flash api for your enterprise AI solutions.
Ultra-Low Latency Ops
Built on ByteDance’s inference architecture, the doubao seed 1.6 flash api maintains a low time-to-first-token even during high-concurrency periods, ensuring your users get instant responses.
128k Context Window
The doubao seed 1.6 flash api handles up to 128,000 tokens, allowing you to summarize massive documents or maintain long, complex conversation threads without losing any critical context.
Reliable Tool Calling
With native support for function calling and JSON mode, the doubao seed 1.6 flash api allows for robust agentic workflows, successfully generating structured data for external API connections.
Doubao Seed 1.6 Flash API FAQs
Get answers about the doubao seed 1.6 flash api, including integration, pricing, and specific bilingual capabilities for your next AI project.
What is the doubao seed 1.6 flash api latency?
The doubao seed 1.6 flash api is built for speed. For a typical 100-token prompt, the time-to-first-token is usually under 400ms. This low-latency performance is powered by ByteDance's distributed inference architecture, ensuring the doubao model stays responsive even under high concurrency. It is significantly faster than many Western counterparts when handling complex Chinese-English bilingual queries in real-time environments.
Does doubao seed 1.6 flash api support JSON mode?
Yes, the doubao seed 1.6 flash api natively supports structured outputs and JSON mode. You can force the doubao model to output valid JSON by setting the response format parameter. This is particularly useful for developers building doubao-powered agents that need to interface with external APIs, CRMs, or ERP systems. The doubao model maintains high precision when following multi-constraint system prompts for reliable automation.
Is the doubao seed 1.6 flash api bilingual?
Absolutely. The doubao seed 1.6 flash api is a leader in Chinese-English bilingual performance. It handles code-switching seamlessly and understands cultural nuances better than most models. Whether you are translating marketing copy or building a doubao assistant for a global audience, the doubao 1.6 architecture ensures grammatical accuracy and contextual relevance across both languages, outperforming GPT-4o on C-Eval benchmarks.
How much does the doubao seed 1.6 flash api cost?
The doubao seed 1.6 flash api is highly cost-optimized. Input tokens are priced at $0.12 per million, while output tokens are $0.30 per million. This makes doubao approximately 10 times cheaper than GPT-4o for similar reasoning tasks. Additionally, GPTProto offers context caching for the doubao model, which can provide up to a 50% discount on input costs for repetitive prompts, making it ideal for large-scale enterprise data processing.
What context window does doubao seed 1.6 offer?
The doubao seed 1.6 flash api features a 128,000 token context window. This large capacity allows the doubao model to process extensive documents or long conversation histories in a single request. It is perfect for RAG applications where the doubao assistant needs to summarize internal knowledge bases. Despite the large context, doubao maintains high efficiency and accuracy, ensuring relevant information isn't lost in long prompts.
Can I use OpenAI SDK with doubao seed 1.6?
Yes, GPTProto provides an OpenAI-compatible endpoint for the doubao seed 1.6 flash api. Migration is as simple as swapping your base URL and model name to doubao. You don't need to rewrite your core logic. This allows teams to integrate the doubao 1.6 model into existing Python or Node.js workflows instantly. You get the benefits of doubao's specialized bilingual intelligence without the overhead of learning a new proprietary SDK.
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