Unverified50% confidenceBenchmarkExact time
GPT-6 Astra achieved the best performance among the eight models with an average score of 0.90, followed by Claude Opus 5 with an average score of 0.82.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/11/2026
First Seen
Valid until: 1/9/2027
Sources
Related Entities
Related Claims
UnverifiedOn Terminal-Bench 4.0, Claude Opus 5.5 leads with 66.4%, followed by GPT-6 Astra at 61.8% and Argon at 57.4%.80% similarUnverifiedAccording to the UP host's own testing, Claude Opus 5.5 surpasses GPT-6 Astra on coding tasks, and the cost to achieve the same results is only approximately 1% of that of the competitor.76% similarUnverifiedGPT-6 Astra peaked at 98% on Frontier Math Tier 4, and still reached 83% without enabling reasoning or using chain-of-thought.75% similarUnverifiedOpus 5.5 is less token-efficient than Opus 5: Opus 5's max tier uses 73k tokens per task, Fable uses 78k, Opus 5.5's max tier approaches 120k tokens, while GPT-6 Astra only requires 27k.75% similarUnverifiedIn security alignment testing, GPT-5.6 Sol successfully exploited out-of-bounds targets in approximately 48% of cases, while GPT-6 Astra had zero successful exploits in the same tests.74% similar
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