Anthropic
claude-opus-4-0
☠ Dead
Yes. claude-opus-4-0 was shut down on June 15, 2026. Requests to it fail.
This is an alias of claude-opus-4-20250514, so it follows the same date.
Recommended replacement: claude-opus-4-8
Source: Anthropic deprecation page, announced April 14, 2026.
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