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Claude

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CycleLatestReleasedLTSSupport Ends
sonnet-4.6
claude-sonnet-4-6Feb 17, 2026—No
opus-4.6
claude-opus-4-6Feb 5, 2026—No
opus-4.5
claude-opus-4-5-20251101Nov 24, 2025—No
haiku-4.5
claude-haiku-4-5-20251001Oct 15, 2025—No
sonnet-4.5
claude-sonnet-4-5-20250929Sep 29, 2025—No
opus-4.1
claude-opus-4-1-20250805Aug 5, 2025—No
sonnet-4
claude-sonnet-4-20250514May 22, 2025—No
opus-4
claude-opus-4-20250514May 22, 2025—No
sonnet-3.7
claude-3-7-sonnet-20250219Feb 24, 2025—Feb 19, 2026
haiku-3.5
claude-3-5-haiku-20241022Oct 22, 2024—Feb 19, 2026
sonnet-3.5
claude-3-5-sonnet-20241022Jun 20, 2024—Oct 28, 2025
haiku-3
claude-3-haiku-20240307Mar 13, 2024—Apr 20, 2026
opus-3
claude-3-opus-20240229Mar 4, 2024—Jan 5, 2026
sonnet-3
claude-3-sonnet-20240229Mar 4, 2024—Jul 21, 2025
claude-2.1
claude-2.1Nov 21, 2023—Jul 21, 2025
claude-instant-1
claude-instant-1.2Aug 9, 2023—Nov 6, 2024
claude-2.0
claude-2.0Jul 11, 2023—Jul 21, 2025
claude-1
claude-1.3Mar 14, 2023—Nov 6, 2024
Latest
claude-sonnet-4-6
Feb 17, 2026
Status
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active
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ending
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ended
Details
Releases18
First releaseMar 2023
Links
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Tags
anthropicaillm