Verified70% confidenceEventExact time
GPT-6 Sol and Anthropic's Opus 5.5 were released on the same day.
4
Sources
70%
Confidence
Medium-term (~90 days)
Relevance
9/26/2026
First Seen
Valid until: 12/25/2026
Sources
Related Entities
Related Claims
Partially VerifiedGPT-6.1 Sol was simultaneously launched on the Codex platform on its release day.80% similarUnverifiedOpus 5.5's release page directly uses GPT-6's Astra as its comparison target.78% similarUnverifiedThree frontier large models—Grok 4.7, Claude Opus 5.5, and GPT-6 Sol—were released in succession within 48 hours.77% similarUnverifiedOpus 5.5 still outperforms GPT-6 Sol on tasks such as modeling detail, game quality, and installation guide animation.76% similarVerifiedGPT-5.6 Sol achieves state of the art on the coding benchmark Terminal Bench.76% similar
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