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Anthropic: Claude Sonnet 4.6 Release Date

Claude Sonnet 4.6 was released on 2026-02-17, which was 259 days ago. Its recency score is 88.

Data sourced from OpenRouter API and manual data collection | Last updated: Nov 3, 2026, 8:01 AM UTC

Release date
2026-02-17
Recency score
88

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Frequently asked questions

When was Claude Sonnet 4.6 released?

Claude Sonnet 4.6 was released on 2026-02-17, which was 259 days ago. Its recency score is 88.