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- AI This Week: Sonnet 4.6, Gemini 3.1 Pro, and seven models in one month — Week of February 16-22, 2026. Sonnet 4.6 brings near-Opus performance at a fifth of the cost. Gemini 3.1 Pro doubles reasoning benchmarks. Anthropic's security tool crashes cybersecurity stocks. And February becomes the most intense month for model releases in AI history.
- AI This Week: GLM-5, Qwen3.5, and the Chinese open-source wave — Week of February 9-15, 2026. China ships two frontier open-source models in five days. Mistral bets 1.2 billion euros on European AI infrastructure. Four EU governments commit to sovereign AI.
- AI This Week: Opus 4.6 ships agent teams, MCP hits 2,000 servers — Week of February 3-8, 2026. Opus 4.6 ships agent teams and 1M context, MCP crosses 2,000 servers, and Perseverance drives on Mars with AI-planned routes.