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●MODEL — Claude Sonnet 5 becomes the default across all plans, with stronger planning, tool use, and autonomy●PRICE — Sonnet 5 launches at $2 input / $10 output per million tokens through August 31●MODEL — Sonnet 5 nears Opus 4.8 performance at a lower price for always-on agents●CODE — Claude Code adopts Sonnet 5 as default with a native 1M-token context window●CODE — Claude Code adds sandbox credential blocking and org-level model restrictions●CLOUD — Claude is generally available in Microsoft Foundry on Azure with Azure-native access●MODEL — Claude Sonnet 5 becomes the default across all plans, with stronger planning, tool use, and autonomy●PRICE — Sonnet 5 launches at $2 input / $10 output per million tokens through August 31●MODEL — Sonnet 5 nears Opus 4.8 performance at a lower price for always-on agents●CODE — Claude Code adopts Sonnet 5 as default with a native 1M-token context window●CODE — Claude Code adds sandbox credential blocking and org-level model restrictions●CLOUD — Claude is generally available in Microsoft Foundry on Azure with Azure-native access
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Sonnet 5

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Claude Code1unattended automation1headless1model management1scheduled tasks1Claude API1cost optimization1pricing1automation1
⟐ Claude Code/2026-07-02Advanced

Which Model Ran Last Night's Unattended Session? Building Model Attribution and Default-Drift Detection After the Sonnet 5 Switch

Claude Code's default model switched to Sonnet 5, and unpinned headless runs changed models silently. Here is a working design for extracting the actual model from run output, appending an atomic run record, and deciding per task lineage whether to pin or follow the default.

⬡ API & SDK/2026-07-02Intermediate

Introductory Pricing Has an End Date — Effective-Dated Cost Forecasts for the Sonnet 5 Price Step

Claude Sonnet 5's introductory $2/$10 pricing ends on 2026-08-31 and reverts to $3/$15. A static price map will quietly understate your September forecast by a third. Here is an effective-dated price table and forecast design that absorbs the step.