Claude Sonnet 4

Anthropic · claude-sonnet-4-20250514

✕ Retired

Released2025-05-22

Deprecated2026-04-14

Retires2026-06-158d ago

Claude Sonnettext+vision1000k context64k max out

also matches: claude-sonnet-4-20250514claude-sonnet-4-0anthropic/claude-sonnet-4-20250514anthropic/claude-sonnet-4-0

Does your code call Claude Sonnet 4?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.