Expired50% confidenceBenchmarkExact time
On the Agent's Last Exam benchmark, GPT-5.6 Soul (extra high tier) scored nearly 54%, while Fable (max tier) scored 45%.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/12/2026
First Seen
Valid until: 10/10/2026(expired)
Sources
Related Claims
UnverifiedIn the Agent Test: Last Exam evaluation, Soul scored 53.6 points and Anthropic's Opus 4.5 scored 40.5 points.82% similarUnverifiedGPT-5.6 set a new all-time high score of 53.6 on the Agent's Last Exam benchmark, surpassing Claude Opus 4.5 by 13.1 points.79% 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.77% similarUnverifiedOn Health Bench Professional, Soul achieves a score of 60.5, which is 8.7 points higher than GPT-5.5.72% similarPartially VerifiedClaude Opus 4.8 scored 69.2% on the SWE-bench benchmark, compared to 58.6% for GPT 5.5 and 54.2% for Google Gemini.70% similar
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