Expired60% confidenceBenchmarkExact time
On the virology multiple-choice benchmark, Mythos 5 scores 56% and GPT-5.6 Sol scores 55.5%, nearly tied and both far exceeding the expert baseline.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/8/2026
First Seen
Valid until: 10/6/2026(expired)
Sources
Fable 5对决GPT-5.6 Sol：性价比重塑前沿AI格局
bilibili英文白斑马7/3/2026
Related Claims
VerifiedIn 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.78% 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%.76% similarUnverifiedOn the HealthBench Professional benchmark, Mythos 5 scored 66.0% and GPT-5.6 Sol scored 60.5% (approximately 64% after length correction).76% 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%.75% similarUnverifiedIn EvoArena testing, GPT-5.5, which achieved the highest Step Level score, had an accuracy of just over 50%, while Gemini-3.1 Pro and GLM-5.1, which performed best at the Chain Level, reached only approximately 28%–29%.73% similar
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