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ClaudeCursorCodex
Showing drops for 2026-09-28Clear date
Monday, Sep 28, 2026
4 updates · Claude, Codex▾
Monday, Sep 28, 2026
4 updates · Claude, Codex- Claude
Claude Sonnet 5.5 launch
We just launched Claude Sonnet 5.5, the second model in our Claude 5.5 family. Sonnet 5.5 is a faster, lower-cost complement to Claude Opus 5.5. For more information, see our blog post: Introducing Claude Sonnet 5.5.
- Codex
Towards safety cases for frontier AI training
Safety
- Codex
How we will do better for Australia
Company
- Codex
Lenfest grows landmark program with OpenAI support
Company