Anthropic Claude claude-sonnet-4-5-20250929 EOS & EOL timeline
Check Anthropic Claude claude-sonnet-4-5-20250929 release, end-of-support (EOS), end-of-life (EOL) and extended-support dates. Ending soon.
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claude-sonnet-4-5-20250929
Ending soon- Released
- End of support (EOS)
- End of life (EOL)
- Extended support
- Not announced
Support milestones: end of support = Active support; end of life = Deprecated support. Unknown dates are shown as “Not announced”. Paid extended support is separate from standard end of life. Support windows may vary by version and edition. Timeline spacing is not a duration scale.