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/deepseek-v3.1-terminusDeepSeek V3.1 Terminus is an API model from DeepSeek, released on Sep 22, 2025, with a context window of 163,840 tokens, pricing of $0.27 per million input tokens and $0.95 per million output tokens. It accepts text input and produces text output.
At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.0037.
Specs are sourced from OpenRouter and were last checked on Aug 14, 2026. Always confirm current pricing and limits with the provider before production use.
DeepSeek V3.1 Terminus supports a context window of 163,840 tokens.
DeepSeek V3.1 Terminus is listed at $0.27 per million input tokens and $0.95 per million output tokens on OpenRouter.
DeepSeek V3.1 Terminus was published on Sep 22, 2025.
DeepSeek V3.1 Terminus accepts text input and produces text output.