DeepSeek V3.1 Terminus
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...
DeepSeek V3.1 Terminus specs and pricing
- Provider: DeepSeek
- Released: September 22, 2025
- Context window: 164K tokens
- Max output: 147K tokens
- Input: text
- Output: text
- Price: $0.27 input / $1.00 output per 1M tokens
- Reasoning: yes
- Tool calling: yes
FAQ
- How much does DeepSeek V3.1 Terminus cost? DeepSeek V3.1 Terminus costs $0.27 per million input tokens and $1.00 per million output tokens through OpenRouter. In todo.is a typical agent step costs about 0.9 credits ($1 = 100 credits).
- What is the context window of DeepSeek V3.1 Terminus? DeepSeek V3.1 Terminus can read up to 164K tokens at once and write up to 147K tokens in one reply.
- Can I use DeepSeek V3.1 Terminus without coding? Yes. In todo.is you pick DeepSeek V3.1 Terminus as your agent's model and write to-dos in plain words, on the web, the Android app, WhatsApp or Telegram. No API key needed: credits are included, or you can bring your own key.
JavaScript is required to use the todo.is app.