Claude Opus 5.5
Is Claude Opus 5.5 still supported?
Yes
Claude Opus 5.5 is supported until Sep 22, 2027 (in 11 months).
- Released
- Sep 22, 2026
- End of life
- Sep 22, 2027
in 11 months - ID
claude-opus-5-5
Quick answers
- Is Claude Opus 5.5 still supported?
- Yes. Claude Opus 5.5 is supported until Sep 22, 2027 (in 11 months).
- When is Claude Opus 5.5 end of life?
- Claude Opus 5.5 reaches end of life on Sep 22, 2027 (in 11 months). After that it gets no more updates, including security fixes.
- When was Claude Opus 5.5 released?
- Claude Opus 5.5 was released on Sep 22, 2026.
Other Anthropic Claude branches
All 35 →- Claude Haiku 5.5 Supported
- Claude Sonnet 5.5 Supported
- Claude Opus 5.5 Supported
- Claude Mythos 5.1 Supported
- Claude Fable 5.1 Supported
- Claude Opus 5 Supported
- Claude Sonnet 5 Supported
- Claude Mythos 5 Supported
- Claude Fable 5 Supported
- Claude Opus 4.8 Supported
- Claude Opus 4.7 Supported
- Claude Sonnet 4.6 Supported
- Claude Opus 4.6 Supported
← Anthropic Claude Claude Mythos 5.1 Anthropic Claude Claude Sonnet 5.5 →
Keep track
Official release policy · Checked 4 hours ago