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Claude claude-sonnet-4-5-20250929 vs claude-opus-4-1-20250805
Version Support Lifecycle Comparison
vs
Version claude-sonnet-4-5-20250929
claude-sonnet-4-5-20250929
Ending Soon
Release Date2025-09-29
Support Ends-
EOL Date2026-09-29
Days Left103 days
Latest Version-
Version claude-opus-4-1-20250805
claude-opus-4-1-20250805
Ending Soon
Release Date2025-08-05
Support Ends2026-06-05
EOL Date2026-08-05
Days Left48 days
Latest Version-
💡 Upgrade Recommendation
claude-sonnet-4-5-20250929 currently has a longer support lifecycle. If you're using claude-opus-4-1-20250805, keep an eye on its EOL date.
About Version Comparison
This page compares Claude versions claude-sonnet-4-5-20250929 and claude-opus-4-1-20250805. Learn about each version's release date, support end date, and EOL (End of Life) date to make informed upgrade decisions.
Other Version Comparisons
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Showing comparisons for the latest 10 versions. Claude has 26 versions total.