All shutdown dates · Claude (Anthropic)
ANTHROPIC · MODEL
claude-3-opus-20240229 was shut down on 5 January 2026
SHUT DOWN5 January 2026
SINCE285 days ago
REPLACE WITHclaude-opus-4-8
Announced in: 2025-06-30: Claude Opus 3 model .
Anthropic lists 5 January 2026 as the date it shut down for claude-3-opus-20240229, with claude-opus-4-8 as the recommended replacement. Source: Anthropic's official deprecations page, checked 17 October 2026. Read the official page.
Checked against the official page on 17 October 2026 at 06:08 UTC