Overview
A full Sonnet 4.5 upgrade across coding, computer use, long context, agent planning, and design.
Claude Sonnet 4.6
A full Sonnet 4.5 upgrade across coding, computer use, long context, agent planning, and design.
MODEL NUMBER051
- Release date
- 2026-02-17
- Organization
- Anthropic
- Family
- Claude
01
Specifications
Only published specifications are shown.
02
Overview
PreviousClaude Sonnet 4.5— · 200K ctx
CurrentClaude Sonnet 4.6— · 1M ctx
New capabilities Adaptive reasoning Agent
04
Architecture & capabilities
Key capabilities
Adaptive reasoningComputer useCodingAgent
05
Release history
Claude Sonnet 4.6 launched.
View source06
Related models
Select a card to view the related model.
07