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MODEL — Claude Sonnet 5 is the default across all plans and Claude Code at $2/$10 per million tokens through August 31FABLE — Access to Claude Fable 5 and Mythos 5 is being restored from July 1 after US export controls were liftedSCIENCE — Claude Science, an AI workbench for researchers, is in beta for Pro, Max, Team, and EnterpriseGATEWAY — The Claude apps gateway for Amazon Bedrock and Google Cloud adds SSO, policy, role-based access, and per-user cost attributionENTERPRISE — Claude Enterprise adds richer admin analytics, model-level entitlements, and spend alertsCODE — Claude Sonnet 5 is now the default model in Claude Code with a native 1M-token context windowMODEL — Claude Sonnet 5 is the default across all plans and Claude Code at $2/$10 per million tokens through August 31FABLE — Access to Claude Fable 5 and Mythos 5 is being restored from July 1 after US export controls were liftedSCIENCE — Claude Science, an AI workbench for researchers, is in beta for Pro, Max, Team, and EnterpriseGATEWAY — The Claude apps gateway for Amazon Bedrock and Google Cloud adds SSO, policy, role-based access, and per-user cost attributionENTERPRISE — Claude Enterprise adds richer admin analytics, model-level entitlements, and spend alertsCODE — Claude Sonnet 5 is now the default model in Claude Code with a native 1M-token context window
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API & SDK/2026-07-08Advanced

Rolling Out Agent Behavior Changes Gradually with Feature Flags

When an unattended agent changes its prompt or behavior all at once, quiet regressions hide until morning. Here is a design for assigning new behavior to only a fraction of runs, keeping a control group, and adding deterministic bucketing, canary comparison, and automatic rollback.