Claude Sonnet 4.6
claude-sonnet-4-6
Released 17 Feb 2026
129 days old
Context
1M
Input $/1M
$3.00
Output $/1M
$15.00
Anthropic
Claude Sonnet: latest model, releases & availability
Claude Sonnet is tracked live on AI Model Radar. The current release is Claude Sonnet 4.6, released 17 Feb 2026. Below you'll find its specs, the full version history and the latest release news.
Latest Claude Sonnet model
Released 17 Feb 2026
129 days old
What is the latest Claude Sonnet model?
The latest Claude Sonnet model is Claude Sonnet 4.6, released 17 Feb 2026. It has a 1M-token context window and pricing of $3.00 / $15.00 per 1M tokens.
Is there a new Claude Sonnet model?
The most recent Claude Sonnet release is Claude Sonnet 4.6 (129 days old). AI Model Radar checks Anthropic's API continuously and flags any newer Claude Sonnet model the moment it appears.
Is Claude Sonnet still available?
Yes — Claude Sonnet is active. The current model, Claude Sonnet 4.6, is available from Anthropic.
Which Claude Sonnet versions are tracked?
We track 2 Claude Sonnet models: Claude Sonnet 4.6 and Claude Sonnet 4.5.
All tracked Claude Sonnet versions
- Claude Sonnet 4.6 claude-sonnet-4-6 Released 17 Feb 2026 GA
- Claude Sonnet 4.5 claude-sonnet-4-5-20250929 Released 29 Sept 2025 GA
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