DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
DeepSeek: DeepSeek V3.1 — DeepSeek. Context window 163,840 tokens. API pricing (per 1M tokens): Input $0.25, Output $0.95. License: Open-Weights.
| Provider | DeepSeek |
|---|---|
| API model ID | deepseek/deepseek-chat-v3.1 |
| Tier | Mid |
| Context window | 163,840 tokens |
| Max output | 32,768 tokens |
| License | Open-Weights |
| API pricing (per 1M tokens) · Input | $0.25 |
| API pricing (per 1M tokens) · Output | $0.95 |