Block’s Daybreak Security, Third Moment’s Agents, and Gemini 4 Argon
Block and OpenAI are using Daybreak for security investigations and proposed patches; Third Moment Research describes long-running Codex agents, while Simon Willison adds Google’s Gemini 4 Argon to llm-gemini. Also covered: the PerSo persuasion benchmark, Anthropic’s Opaque Systems agreement, British AI-regulation testimony, and Colossal Biosciences’ de-extinction platform.
Block describes AI-assisted security triage, investigation, and patch proposals with human review.
Third Moment Research details sustained agent investigations and a faster quantitative-finance backtest.
Simon Willison…
The skinny
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