Sonnet-5.5 Reportedly Live for Select Users as Testing Begins
kimmonismus · x · 2026-09-29
An AI community member reports that Sonnet-5.5 is now live for them and has started testing. The claim is unverified by Anthropic, but suggests the new model may be in gradual rollout or early access, with benchmarks and impressions expected soon.
Related event: Rumors: Anthropic Ships Opus 5.5 and Sonnet 5.5 Ahead of OpenAI DevDay(7 posts)→
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