Jiekou.AI
Anthropic retired the claude-opus-4-1-20250805 model ID on August 5, 2026, completing its previously scheduled deprecation cycle on the Claude API, Claude Platform on AWS, and Microsoft Foundry. The Kingy AI lifecycle record carries the stable event ID ksr-anthropic-claude-opus-4-1-2026-08-05 and was corrected post-dea The tracker prescribes a concrete migration path: replace claude-opus-4-1-20250805 with claude-opus-5, follow Anthropic's model migration guidance, and regression-test prompts, tool calls, safety behavior, latency, token use, and cost before full cutover. Source evidence reviewed consists of Anthropic's official releas