Expired65% confidenceBenchmarkExact time
Opus 5's pass rate at Low Effort is approximately 60%, surpassing Opus 4.8's 59% at the Max level, for which the per-task cost is as high as $13.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/22/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 10/20/2026(expired)
Sources
Related Claims
VerifiedClaude Opus 5's capabilities are close to the level of the previous-generation flagship Opus, but with significantly reduced inference costs.76% similarUnverifiedClaude Opus 5.5 performance matches Claude 5.1 on most tasks, input and output pricing have both been reduced, and usage limits for Pro Max and Team users have been increased.74% 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.74% similarUnverifiedOpus 5.5 at the Max tier requires $14.65 to achieve the same score as GPT-6.1 Sol, meaning 6.1 Sol is approximately 73 times cheaper.73% 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.73% similar
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