Unverified50% confidenceBenchmarkExact time
Artificial Analysis gave GPT-6.1 Sol a score of 52, only one point below Astra, with benchmark run costs at one-quarter of Astra's and 31% cheaper than 6 Sol.
1
Sources
50%
Confidence
Long-term
Relevance
10/4/2026
First Seen
Sources
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Related Claims
UnverifiedGPT-6.1 Sol's rate of "not honestly reporting when a tool fails" dropped from 4.9% to 2.1%, while Astra's rate is 1.5%.77% similarUnverifiedAstra performed best on computer operation tasks; Sol's score of 60.5% was close to Opus 5's 60.3%, with a per-task cost approximately 80% lower.75% similarUnverifiedSol scored 68.8% in the coding test, close to the previous-generation Fable 5's 69.9%, but with a per-task cost approximately 80% lower.73% similarUnverifiedThe per-task cost of GPT-6 Astra is lower than that of its predecessor, because a more capable model completes the same task in fewer steps and with fewer tokens.73% similarUnverifiedIn the Artificial Analysis Intelligence Index comprehensive benchmark, GPT-5.6's performance is approximately 0.9 points lower than Claude Opus 4.5, but at nearly half the cost.73% similar
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