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Model release · curated entry

Anthropic releases Claude Opus 5

Introducing Claude Opus 5

Date
July 24, 2026
Category
Model release
Organization / Model
Anthropic
Evidence
2 sources · 2 evidence families

Opus 5 targets hard reasoning, coding and long-horizon tasks, the next major version of the line after Claude 4.5.

Curator's note: Cross-checked against the Anthropic announcement and the OpenRouter catalog.

Curated sources · 2

  1. Official announcement · Anthropic2026-07-24

    Introducing Claude Opus 5

    anthropic.com

  2. Model catalog · OpenRouter2026-07-24

    Introducing Claude Opus 5

    openrouter.ai

Cite this page

This page is a curated static snapshot and can be cited directly. Preferred format GB/T 7714—2025 (electronic resource [EB/OL]); the other 5 styles open below, together with the machine-readable files.

GB/T 7714—2025 (electronic resource [EB/OL])

AI 纪年. Anthropic 发布 Claude Opus 5[EB/OL]. (2026-07-24)[2026-11-03]. https://aihist.net/e/claude-opus-5-2026.html.

APA 7 · American Psychological Association

AI 纪年. (2026, July 24). Anthropic 发布 Claude Opus 5 [Web page]. https://aihist.net/e/claude-opus-5-2026.html

MLA 9 · Modern Language Association

"Anthropic 发布 Claude Opus 5." AI 纪年, 24 July 2026, aihist.net/e/claude-opus-5-2026.html. Accessed 3 Nov. 2026.

Chicago 17 · notes-bibliography

AI 纪年. "Anthropic 发布 Claude Opus 5." Published July 24, 2026. Accessed Nov. 3, 2026. https://aihist.net/e/claude-opus-5-2026.html.

IEEE · citation-reference list

"Anthropic 发布 Claude Opus 5," AI 纪年, 24 July 2026. [Online]. Available: https://aihist.net/e/claude-opus-5-2026.html. [Accessed: 3 Nov. 2026].

ACM · author-date variant

AI 纪年. July 24, 2026. Anthropic 发布 Claude Opus 5. Retrieved November 3, 2026 from https://aihist.net/e/claude-opus-5-2026.html.

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