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Claude Opus 4.5

Anthropic · Claude Opus line · flagship

Released November 24, 2025Replaced by Claude Opus 4.6

What changed

No verified summary yet. We only publish what the maker's own numbers support, so this card fills in as the sources come in.

Where the Claude Opus line stands

Claude Opus 5 is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.

Claude Opus 5

Anthropic · Claude Opus line · flagship
Mid-cycle47 of ~70 days into its usual cycle

Priced at $5 per million input tokens and $25 per million output tokens, unchanged from Opus 4.8, and became the default model for Claude Max subscribers.

Released Jul 24, 2026 · what changed →
Days since last release
Claude Opus 5 · Jul 24, 2026
47
days
Usual gap
70
days
Recent gaps
Claude Opus 5 · Jul 2026
57
Claude Opus 4.8 · May 2026
42
Claude Opus 4.7 · Apr 2026
70
Claude Opus 4.6 · Feb 2026
73

Every Claude Opus release

Newest first. See the full line with every card →

  1. Jul 24, 2026Claude Opus 5
  2. May 28, 2026Claude Opus 4.8
  3. Apr 16, 2026Claude Opus 4.7
  4. Feb 5, 2026Claude Opus 4.6
  5. Nov 24, 2025Claude Opus 4.5 · this page
  6. Aug 5, 2025Claude Opus 4.1
  7. May 22, 2025Claude Opus 4
  8. Mar 4, 2024Claude 3 Opus
  9. Jul 11, 2023Claude 2

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