Superior Bilingual Reasoning
Doubao 1.5 AI masters Chinese and English nuances, outperforming western models in cultural context and local idioms while maintaining parity in logic benchmarks.
Doubao 1.5 Pro 32K (Build 250115)
Doubao 1.5 AI is ByteDance’s flagship reasoning model. It offers GPT-4o-class performance with superior bilingual logic for English and Chinese, optimized for tool-use and complex agents at a fraction of the cost of western models.
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-1-5-pro-32k-250115",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'Doubao 1.5 Pro 32k 250115 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 | ||||
|---|---|---|---|---|---|
| — | $0.10 / $0.24 per 1M | — | Input: Text 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 | ||
| 262K | $0.10 / $0.24 per 1M | — | Input: TextInput: Image Output: Text | ||
| — | $0.36 / $1.09 per 1M | — | Input: TextInput: Image Output: Text |
Core Features of Doubao 1.5 AI
Explore the technical advantages that make Doubao 1.5 AI a leader in reasoning and cost-efficiency.
Unbeatable Cost Efficiency
At just $0.12 per million input tokens, Doubao 1.5 AI is 90% more affordable than GPT-4o, making frontier-level intelligence accessible for high-volume scaling.
Native Function Calling
Built for complex agents, Doubao 1.5 AI handles multi-step tool-use with remarkably low hallucination rates and reliable, valid JSON output generation.
Low Latency Performance
Optimized for speed, Doubao 1.5 AI features a rapid time-to-first-token, ensuring fluid user experiences in real-time chat and interactive applications.
Doubao 1.5 AI Frequently Asked Questions
Find technical answers regarding Doubao 1.5 AI integration, performance, and billing on GPTProto.
How does Doubao 1.5 AI compare to GPT-4o?
Doubao 1.5 AI delivers performance similar to GPT-4o in reasoning and logic tasks but excels significantly in bilingual Chinese-English contexts. Perhaps the biggest advantage is its price point; Doubao 1.5 AI is approximately 90% cheaper for input tokens, making it the superior choice for scaling large-scale automation and high-volume data processing without sacrificing the intelligence required for complex instruction following.
What is the context window for Doubao 1.5 AI?
This specific Doubao 1.5 AI variant supports a context window of 32,768 tokens. While other versions offer longer context, the 32k model is optimized for speed and cost-efficiency. It is ideal for chat interactions, technical documentation analysis, and multi-step tool use. For much larger datasets, such as full codebases or massive legal documents, developers might consider the 128k or 256k versions of the same flagship series.
Is Doubao 1.5 AI suitable for tool-use and agents?
Yes, Doubao 1.5 AI is designed as a reasoning-first model with native function-calling capabilities. It has been specifically trained to minimize hallucinations when selecting tools and parsing JSON schemas. This makes the Doubao 1.5 AI model highly effective for Robotic Process Automation (RPA) and autonomous agent workflows where strict adherence to system prompts and structured output is necessary for technical stability.
What are the typical latencies for Doubao 1.5 AI?
Running on ByteDance’s distributed infrastructure, Doubao 1.5 AI provides industry-leading speeds. The Time-To-First-Token (TTFT) typically ranges between 400ms and 600ms. For a standard 500-token generation, you can expect the process to complete in under three seconds. This responsiveness is critical for real-time customer support agents and interactive applications where user experience depends on immediate model feedback.
Does Doubao 1.5 AI support structured JSON output?
Doubao 1.5 AI features a robust JSON mode, ensuring that the model returns valid schemas without the common formatting errors found in smaller models. It is capable of parsing messy, unstructured text into complex nested structures reliably. This makes it a preferred choice for developers who need to extract data from documents or emails into a format that can be directly consumed by downstream software and databases.
How is data privacy handled with Doubao 1.5 AI?
When you access Doubao 1.5 AI through our platform, your data is protected. Neither we nor the upstream vendor use the data passed through these API endpoints for retraining the model by default. This ensures that sensitive business information and user interactions remain private, satisfying the requirements for enterprise-grade security and compliance for most commercial and internal software development projects.
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