Doubao Seed 2.1 Pro: API pricing, providers and specs
Doubao Seed 2.1 Pro is a text model by ByteDance. 5 providers serve it, from $3.33 to $4.65 /1M; the lowest price is at CometAPI.
How Doubao Seed 2.1 Pro compares
Against the 737 text models on the site priced the same way.
- Pricey for its class: at $3.33 /1M, its lowest price is above 72% of comparable models (median $1.10).
- Its 256K-token context window is larger than 38% of them (median 262K), about 380 pages of text.
- 5 providers serve it; 65% of comparable models have fewer.
Doubao Seed 2.1 Pro prices by provider
Every provider's list price, read from its own price page or API. A price marked “from” changes with context length, resolution or mode.
| Provider | Input | Output | Prompt caching | Context |
|---|---|---|---|---|
 CometAPI | $0.667/1M | $3.33/1M | — | — |
 Ofox | $0.884/1M | $4.42/1M | $0.177/1M | 256K |
| ZenMux | $0.885/1M | $4.42/1M | $0.177/1M | 256K |
| Atlas Cloud | $0.90/1M | $4.50/1M | $0.18/1M | — |
 AIHubMix | $0.929/1M | $4.65/1M | $0.186/1M | 256K |
- CometAPI$3.33
- Ofox$4.42
- ZenMux$4.42
- Atlas Cloud$4.50
- AIHubMix$4.65
Specs
- Type
- Text
- Maker
- ByteDance
- Inputs
- Image, Text, Video
- Outputs
- Text
- Context
- 256K≈ 380 pages of text
- Max output
- 256K
- Capabilities
- Prompt caching, JSON, Reasoning, Tool calling, Vision
- Released
- Jun 23, 2026
- License
- —
- Open weights
- —
Alternatives to Doubao Seed 2.1 Pro
Same kind of model from other makers, at a similar price.
| Model | Lowest price | Context | Arena | Providers |
|---|---|---|---|---|
| Doubao Seed 2.1 Prothis model | $3.33/1M | 256K | — | 5 |
 Gemini 4 Argon | $8/1M | 1.05M | 1673 | 26 |
| Kimi K3 | $8.28/1M | 1.05M | 1655 | 47 |
| GPT-6.1 Sol | $8/1M | 1.05M | 1749 | 27 |
| GPT-6 Sol | $8/1M | 1.05M | 1682 | 28 |
 Qwen3.8 2.4T A95B | $4.11/1M | 1M | — | 22 |
| Grok 4.7 | $4.80/1M | 500K | 1637 | 28 |
| Gemini 3 Flash | $2.40/1M | 1.05M | 1466 | 5 |
 Mistral Large 4 | $2.09/1M | 1.05M | 1543 | 13 |
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The lowest price for Doubao Seed 2.1 Pro is $3.33 /1M, at CometAPI.
CometAPI, at $3.33 /1M. 5 providers serve Doubao Seed 2.1 Pro; the table above lists every one with its price.
Doubao Seed 2.1 Pro reads up to 256K tokens per request and writes up to 256K.
We have not found Doubao Seed 2.1 Pro's weights published by its maker.
5 API providers serve Doubao Seed 2.1 Pro. Compare their prices above, or open a provider to see everything it offers.
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