← Back to feed
ChangelogAnthropic
- Severity
- High
- Published
- 2 months agoFeb 17, 2026
- Signal
- 58
Claude Sonnet 4.6 launch
We launched our most capable Sonnet model yet, with a full upgrade of the model’s skills across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Sonnet 4.6 also features a 1M tok…
Official source entry
Claude Sonnet 4.6 launch
From Product Release Notes. The simplified record can be checked against the original wording.
Why it matters
Anthropic updated product release notes semantics for llms and agents. Review the official entry during the next release review.
Who should care
- frontend
- infra
- ai
Affected stack
- llms
- agents
- hosting
- deployments
Categories
modelapi