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GPT-6 Astra and Sol outscore Claude Opus 5.5 in evaluations

The post claims OpenAI's GPT-6 Astra and GPT-6.1 Sol scored higher than Anthropic's Fable 5.1 and Opus 5.5 on its evaluations, with Sol even above Astra.

XDOF
@xdofaiArchived 13 days agoOriginally posted 2026.10.17
GPT-6 Astra and Sol outscore Claude Opus 5.5 in evaluations
XDOF @xdofaiOriginally posted 2026.10.17
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OpenAI’s GPT-6 Astra and GPT-6.1 Sol scored higher on our evaluations than their Anthropic counterparts, Fable 5.1 and Opus 5.5. In fact, Sol scored even higher than Astra did.

x.com/xdofai/status/2111127504841003090Archived 2026.10.18 16:00