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Model release · curated entry

Anthropic releases Claude Sonnet 5

Introducing Claude Sonnet 5

Date
June 30, 2026
Category
Model release
Organization / Model
Anthropic
Evidence
2 sources · 2 evidence families

The model rebalances coding, reasoning and cost, with Sonnet continuing as Claude's main commercial workhorse.

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

Curated sources · 2

  1. Official announcement · Anthropic2026-06-30

    Introducing Claude Sonnet 5

    anthropic.com

  2. Model catalog · OpenRouter2026-06-30

    Introducing Claude Sonnet 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 Sonnet 5[EB/OL]. (2026-06-30)[2026-11-03]. https://aihist.net/e/claude-sonnet-5-2026.html.

APA 7 · American Psychological Association

AI 纪年. (2026, June 30). Anthropic 发布 Claude Sonnet 5 [Web page]. https://aihist.net/e/claude-sonnet-5-2026.html

MLA 9 · Modern Language Association

"Anthropic 发布 Claude Sonnet 5." AI 纪年, 30 June 2026, aihist.net/e/claude-sonnet-5-2026.html. Accessed 3 Nov. 2026.

Chicago 17 · notes-bibliography

AI 纪年. "Anthropic 发布 Claude Sonnet 5." Published June 30, 2026. Accessed Nov. 3, 2026. https://aihist.net/e/claude-sonnet-5-2026.html.

IEEE · citation-reference list

"Anthropic 发布 Claude Sonnet 5," AI 纪年, 30 June 2026. [Online]. Available: https://aihist.net/e/claude-sonnet-5-2026.html. [Accessed: 3 Nov. 2026].

ACM · author-date variant

AI 纪年. June 30, 2026. Anthropic 发布 Claude Sonnet 5. Retrieved November 3, 2026 from https://aihist.net/e/claude-sonnet-5-2026.html.

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