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Anthropic

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Sunday, 9 August 2026

Quoting Claude Opus 5 system prompt

Simon Willison’s Weblog 2 months ago 37

Anthropic released Claude Fable 5 and Claude Mythos 5 on June 9, 2026, then suspended access to comply with U.S. Department of Commerce export controls on June 12, 2026. On July 1, 2026, Anthropic restored access after the controls were lifted on June 30, 2026. As a result, the Claude Opus 5 system prompt instructs the model to confirm the suspension and restoration factually and to direct readers to Anthropic’s notice for details.

Anthropic is turning Claude Code’s auto mode on by default

TechCrunch 2 months ago 43 ● 39 sources

Anthropic is making Claude Code’s auto mode the default for Pro, Max, and Team accounts instead of requiring human approval at each step. Starting on August 14, auto mode will run unless an action is flagged as irreversible, destructive, or outside the user’s environment, and tests with 1,053 paid testers found auto mode caught 89% of harmful actions versus 13.6% for human review. This shifts day-to-day use toward fewer permission prompts while relying on added safety measures like prompt-injection screening and hard-deny rules.

AI's new millionaires want to disrupt philanthropy. They should fund what already exists

Fortune 52

SpaceX’s IPO and upcoming AI company IPOs are expected to create thousands of new millionaires, raising questions about whether the wealth will help people most in need. The article cites Goldman Sachs projecting a historic year for IPO proceeds driven by the AI boom, and it notes that 1.8 million nonprofits in the U.S. deploy about $600 billion in annual charitable giving. The piece argues that tech philanthropists should fund existing nonprofits rather than rebuild a new philanthropic infrastructure, pointing to evidence like MacKenzie Scott’s $26 billion in unrestricted gifts and JVS Bay Area job training changes using AI skills.

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