Sonnet 5.5 already beats GPT-6 Sol, unverified leak claims

An unsourced leak says Claude Sonnet 5.5 and Haiku 5.5 arrive next week and that Sonnet 5.5 already outperforms GPT-6 Sol.

Hakm

@hakmgptArchived 2026.09.27Originally posted 2026.09.27

Hakm @hakmgptOriginally posted 2026.09.27

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Claude sonnet 5.5 && Haiku 5.5 is coming next week mostly sonnet 5.5 is already beats GPT-6 SOL and the new checkpoint of 5.5 is even better now than the one being used right now What a back for Anthropic.

This post quotes another post: x.com/lyraxana/status/2103945384284582270

x.com/hakmgpt/status/2103946154581078049Archived 2026.09.27 09:53

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