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Model release · curated entry

Claude Opus 4.5 lifts coding and long-task performance

Introducing Claude Opus 4.5

Date
November 24, 2025
Category
Model release
Organization / Model
Anthropic
Evidence
1 source · 1 evidence family

Anthropic focused the release on coding, long tasks and computer use, improving the price-to-performance ratio of the Opus line.

Curator's note: Cross-checked against Anthropic's official announcement page (published 2025-11-24).

Curated sources · 1

  1. Official announcement · Anthropic2025-11-24

    Introducing Claude Opus 4.5

    anthropic.com

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. Claude Opus 4.5 发布,编码与长任务能力提升[EB/OL]. (2025-11-24)[2026-11-03]. https://aihist.net/e/claude-opus-4-5-2025.html.

APA 7 · American Psychological Association

AI 纪年. (2025, November 24). Claude Opus 4.5 发布,编码与长任务能力提升 [Web page]. https://aihist.net/e/claude-opus-4-5-2025.html

MLA 9 · Modern Language Association

"Claude Opus 4.5 发布,编码与长任务能力提升." AI 纪年, 24 Nov. 2025, aihist.net/e/claude-opus-4-5-2025.html. Accessed 3 Nov. 2026.

Chicago 17 · notes-bibliography

AI 纪年. "Claude Opus 4.5 发布,编码与长任务能力提升." Published Nov. 24, 2025. Accessed Nov. 3, 2026. https://aihist.net/e/claude-opus-4-5-2025.html.

IEEE · citation-reference list

"Claude Opus 4.5 发布,编码与长任务能力提升," AI 纪年, 24 Nov. 2025. [Online]. Available: https://aihist.net/e/claude-opus-4-5-2025.html. [Accessed: 3 Nov. 2026].

ACM · author-date variant

AI 纪年. November 24, 2025. Claude Opus 4.5 发布,编码与长任务能力提升. Retrieved November 3, 2026 from https://aihist.net/e/claude-opus-4-5-2025.html.

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