Expired50% confidenceBenchmarkExact time
In the agent ultimate exam covering long-horizon workflows across 55 professional domains, Sol scored 53.6, surpassing the benchmarked Fable 5 by 13.1 points.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/11/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/9/2026(expired)
Sources
Related Claims
UnverifiedSol scored 53.6 on Agent's Last Exam, which is 13.1 points higher than Claude Fable 5.77% similarUnverifiedIn the long-cycle agentic workflow test (Engines Last Exam), GPT-5.6 Sol scored 53.6, outperforming Faber-5 by 13.1 points.76% similarUnverifiedIn the Agents' Last Exam benchmark, GPT-5.6 Sol achieved a score of 53.6, which is 13.1 points higher than Claude Fable 5 using adaptive reasoning.75% 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%.68% similarUnverifiedSol's X-High tier achieved 53.6% on Agent's Last Exam at approximately $760, actually surpassing the Max tier.68% similar
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