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Anthropic

Claude Opus 4.1 Deprecation

Input
$15
Output
$75
per 1M tokens, in / out
Checked Nov 9, 2026platform.claude.com

Deprecations

All changes
Aug 5, 2026 Claude Opus 4.1 (claude-opus-4-1-20250805) retired; Anthropic names Claude Opus 4.8 as the replacementDeprecationplatform.claude.com
SpecValueSource
StatusRetired August 5, 2026claude.com read Nov 9, 2026

Questions

When does Claude Opus 4.1 shut down

Aug 5, 2026: Claude Opus 4.1 (claude-opus-4-1-20250805) retired; Anthropic names Claude Opus 4.8 as the replacement.

Source: claude.com, read Nov 9, 2026.

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