DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...
| Provider | deepseek |
|---|---|
| Input price | $0.270 / 1M tokens |
| Output price | $1.00 / 1M tokens |
| Context window | 164k tokens |
| Max output | 33k tokens |
| Modalities | text |
| Model ID | deepseek/deepseek-v3.1-terminus |
A 1,000-token prompt with a 500-token answer on DeepSeek: DeepSeek V3.1 Terminus costs roughly $0.00077. 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 Terminus with your own OpenRouter key — including side-by-side comparison with other models. Browse 1,000+ ready-made prompt templates to start.