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RumorAnthropicClaude Sonnet 5.5

[Rumor] Claude Sonnet 5.5 arriving tomorrow? Leaker who correctly predicted Opus 5.5 says "next week," but the numbers look a bit suspicious

Regarding Claude Sonnet 5.5, which Anthropic teased would follow "within a few weeks" after the Opus 5.5 announcement, posts have surfaced claiming partners are testing a second prototype. Rumors regarding the release date range from September 29 to October 1, and the rumored prices and context window lengths conflict with the current version. Anthropic has not confirmed any of this. 【Update September 29】Since Anthropic made an official announcement on September 28 (US time), I have added a fact