According to @deepseek_ai, DeepSeek announced DeepSeek-V3.1-Terminus as an update to V3.1, highlighting improved language consistency with fewer CN/EN mix-ups and removal of random characters (source: DeepSeek on X, Sep 22, 2025: https://twitter.com/deepseek_ai/status/1970117808035074215). According to @deepseek_ai, the update also strengthens performance for its Code Agent and Search Agent, indicating a focus on more reliable coding and search workflows for users (source: DeepSeek on X, Sep 22, 2025: https://twitter.com/deepseek_ai/status/1970117808035074215). According to @deepseek_ai, the announcement provides no benchmarking data, rollout timing, pricing, or any token-related details, limiting immediate trading catalysts from this post alone (source: DeepSeek on X, Sep 22, 2025: https://twitter.com/deepseek_ai/status/1970117808035074215).