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28:37ENTheo Tests Sonnet 5 and Explains Fable’s ReturnTheoTheo compares model benchmarks and his own coding tests, finding promise in Sonnet’s subagent orchestration but questioning its task costs.
19:57ENTheo on the Fable 5 Restrictions: Security, Lawsuits, and Open ModelsTheoAfter access to Anthropic’s Fable 5 and Mythos 5 was suspended in June 2026, Theo examines the government’s stated security concerns and the questions they raised for developers.
29:32ENTheo on Fable’s Safeguards, Data Retention, and TransparencyTheoTheo examines fallback behavior and an initially undisclosed safeguard, then corrects himself after finding an update and changelog.
23:31ENTheo Browne on Claude Code Subscriptions, iMessage and Platform RulesTheo Browne · T3A developer compares Anthropic’s subscription restrictions with its iMessage integration and calls for clearer rules for third-party tools.
26:25ENClaude Mythos Preview: Security Capabilities, Safeguards and Unequal AccessTheo Browne · T3Theo Browne examines Anthropic’s restricted preview, reported vulnerability research and the trade-offs of a cautious rollout.









