# Anthropic — Introducing Claude Sonnet 5

- Company: Anthropic (anthropic.com)
- Announced: 2026-06-30T00:00:00+00:00
- Category: new-model
- Subject: Claude
- Models affected: Claude Sonnet 5, Sonnet 5
- Source: https://www.anthropic.com/news/claude-sonnet-5
- Record: https://forck.live/items/3252-introducing-claude-sonnet-5

Anthropic introduced Claude Sonnet 5, a new model with frontier performance in coding, agents, and professional work at scale.

## Evidence

Verbatim from https://www.anthropic.com/news/claude-sonnet-5:

> Introducing Claude Sonnet 5

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Record: https://forck.live/items/3252-introducing-claude-sonnet-5
Catalogue: https://forck.live/llms.txt
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