Seed 2.1 Turbo
Seed 2.1 Turbo is ByteDance's language model with a 262K context window and up to 236K output tokens, available from 4 providers, starting at $0.431 / 1M input and $2.16 / 1M output. A multimodal LLM from ByteDance Seed optimized for coding and long-horizon agentic workflows including multi-step task execution and visual understanding.
Capabilities
Input3/5
Text✓
Image✓
Audio·
Video✓
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·
Pricing by Provider
US Dollar ($)
Per 1M tokens
| Provider | Standard | ||
|---|---|---|---|
| Input $ / 1M | Output $ / 1M | Cache Read $ / 1M | |
| $0.465 | $2.32 | $0.093 | |
| $0.5 | $2.50 | N/A | |
| $0.5 | $2.50 | $0.1 | |
| $0.431 | $2.16 | $0.0862 | |
Cost Calculator
US Dollar ($)
Preset:
Versions
| Version | Released | Context | Input / 1M | Output / 1M | Status |
|---|---|---|---|---|---|
| Seed 2.1 Turbo | 262K | $0.431 | $2.16 | Current | |
| Seed 2 Code | 262K | $0.500 | $3.00 | Deprecating | |
| Seed 2 Lite | 262K | $0.250 | $2.00 | Available | |
| Seed 2 Mini | 262K | $0.100 | $0.400 | Available | |
| Seed 2 Pro | — | 256K | $0.500 | $3.00 | Available |
| Seed-TTS 2.0 | — | — | — | — | Available |
| Seed 1.6 | 262K | $0.250 | $2.00 | Deprecating | |
| Seed 1.6 Flash | 262K | $0.075 | $0.300 | Deprecating | |
| Seed 1.8 | 256K | $0.250 | $2.00 | Available |