Anthropic deprecates Claude Sonnet 4.5 with 61 days' notice, one day above its floor

T2Covered by 1 source · first reported by UploadVR / Road to VR / MIXED at 01 Oct, 04:41 UTC

Anthropic deprecated Claude Sonnet 4.5 on September 30 and gave the model a tentative retirement date of November 30, 2026, which is 61 days later. Its published policy commits it to "at least 60 days' notice before model retirement for publicly released models", so the timetable clears Anthropic's…

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Sources

• T2Anthropic deprecates Claude Sonnet 4.5 with 61 days' notice, one day above its floorUploadVR / Road to VR / MIXED01 Oct, 04:41