AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

DeepSeek

DeepSeek V3.1 TerminusOpen Weight

DeepSeek V3.1 Terminus is an AI model released by DeepSeek on Monday, Sep 22 2025, 32 days after DeepSeek V3.1. It is an open-weight model — the trained weights are available to download and run.

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