Expired50% confidenceBenchmarkExact time
On the Terminal Bench 2.1 benchmark, GPT-5.6 Sol's Ultra mode approaches 92%, surpassing the competing product's performance of 88%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/20/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/18/2026(expired)
Sources
Related Claims
UnverifiedIn the Terminal Bench 2.1 test, GPT-5.6 Ultra scored close to 92%, Fable 5 scored 88%, which are essentially on par considering the margin of error.79% similarUnverifiedOn the SWE-Bench Pro programming benchmark, Claude Fable 5 leads with a score of 80%, ahead of GPT-5.6 Sol's 64.6%.79% similarUnverifiedOn Artificial Analysis's Omniscience hallucination metric, GPT-5.6 Sol Max reached 89%, higher than Claude Fable's 55% and GLM 5.2's 28%.79% similarUnverifiedThe standard version of Sol scored 88.8% on the Terminal Bench 2.1 benchmark, which improved to 91.9% with Ultra mode enabled.75% similar
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