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...
| Provider | deepseek |
|---|---|
| Input price | $0.550 / 1M tokens |
| Output price | $1.65 / 1M tokens |
| Context window | 164k tokens |
| Max output | 161k tokens |
| Modalities | text |
| Model ID | deepseek/deepseek-chat-v3.1 |
A 1,000-token prompt with a 500-token answer on DeepSeek: DeepSeek V3.1 costs roughly $0.00137. Use the OpenRouter cost calculator to price your own prompt across 400+ models, or the token counter to measure prompt length first.
PromNest stores your prompt library and lets you run any prompt on DeepSeek: DeepSeek V3.1 with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.