Expired50% confidenceFactExact time
Claude Opus 4.8 completed identical tasks with 15% fewer steps and 35% fewer output tokens compared to its predecessor
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Deep Dive into Claude Opus 4.8: The AI Paradox of Being More Honest Yet Better at Gaming Tests
bilibili皮皮蟹勇闯天涯6/1/2026
Related Claims
UnverifiedOpus 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 $13.70% similarUnverifiedMore tool calls do not necessarily lead to better performance; Claude Opus 4.7 has a very high tool-call frequency but a lower accuracy rate than Gemini and Doubao, which make fewer calls.68% similarUnverifiedOpus 4.8在处理高难度任务时表现出比Opus 4.7更强的持久性，不易中途放弃或陷入循环67% similarUnverifiedClaude Opus 4.7's production task completion on Rakuten SWE Bench is three times that of Opus 4.6.66% similarUnverifiedOn the 40-task academic benchmark Cybench using Opus 4.8 (with hints and solutions removed), T3MP3ST achieved a single-attempt hint-free pass@1 of 23/40 = 58%.66% similar
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