◉CLAUDE LABJP
●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
TAG

model management

1 articles
← Back to all tags
Related:
Claude Code1Sonnet 51unattended automation1headless1scheduled tasks1
⟐ 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.