Doubao Seed 2.1 Pro is ByteDance's language model with a 256K context window, starting at $0.863 / 1M input and $4.31 / 1M output. A large language model from ByteDance's Doubao Seed series, tuned as a Pro-tier variant for general-purpose reasoning and generation tasks.
Capabilities
Input1/5
Text·
Image✓
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities3/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| $0.863 | $4.31 | $0.172 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Doubao Seed 2.1 Pro | — | 256K | $0.863 | $4.31 | Current |
| Doubao Seed 2 Pro | — | 256K | $0.482 | $2.41 | Available |
Other Models
| Model | Tier | Released | Context | Input / 1M | Output / 1M |
|---|---|---|---|---|---|
| Doubao Seed 2 Code Preview | — | — | 256K | $0.482 | $2.41 |
| Doubao Seed 2 Mini | — | — | 256K | $0.030 | $0.301 |
| Doubao Seed 2 Lite | Lite | — | 256K | $0.090 | $0.542 |
| Doubao Seed Code | — | — | — | — | — |