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Doubao-Seed-2.1-Pro vs GPT-5.5
Doubao-Seed-2.1-Pro and GPT-5.5: current price, context, max output, and supported operations.
Pricing comparison
| Doubao-Seed-2.1-Pro | GPT-5.5 | |
|---|---|---|
| Model maker | ByteDance | OpenAI |
| Delivery availability | Available | Available |
| Context window | 256K | 1.05M |
| Max output | 256K | 128K |
| Official price | Input$0.8824per 1M tokensOutput$4.41per 1M tokens | Input$5.00per 1M tokensOutput$30.00per 1M tokens |
| Verified price | — | Input$3.50per 1M tokensOutput$21.00per 1M tokens |
| Model performance | Collecting data |
|
| Capabilities | Prompt CacheReasoningTool useVision | CodeJSON modePrompt CacheReasoningTool useVision |
Summary
- Doubao-Seed-2.1-Pro: —; GPT-5.5: Input $3.50 / Output $21.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
- GPT-5.5 has a 4.0x larger context window
- Doubao-Seed-2.1-Pro supports 2.0x more output tokens
FAQ
Which is cheaper, Doubao-Seed-2.1-Pro or GPT-5.5?
Doubao-Seed-2.1-Pro: —; GPT-5.5: Input $3.50 / Output $21.00 per 1M tokens. Rates depend on the billing unit, specification, and usage. Compare matching conditions in the model's detailed pricing; a single rate does not determine the total cost.
What are the key differences between Doubao-Seed-2.1-Pro and GPT-5.5?
GPT-5.5: Code, JSON mode