Rumor: Sonnet 5.5, Already Said to Beat GPT-6 Sol, Got a Last-Minute Upgrade Before Monday Release
ResultBackground2450 · reddit · 2026-09-27
A Reddit post circulating a screenshot claims Anthropic's Sonnet 5.5 — previously rumored to already beat GPT-6 Sol on benchmarks — received a last-minute upgrade before its expected Monday release. This remains an unverified rumor; the extent of the upgrade is unclear.
Related event: Rumors: Anthropic Sonnet 5.5 Nears Release, Possibly Monday(2 posts)→
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