Expired70% confidenceFactExact time

Claude 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.

4

Sources

70%

Confidence

Medium-term (~90 days)

Relevance

7/2/2026

First Seen

Valid until: 9/30/2026(expired)

Sources

Claude Opus 4.8 Tops Code Benchmarks, But Exposes a Fatal Flaw in AI Training

bilibili智视界6/23/2026

Related Claims

UnverifiedThe median output token count per problem-solving attempt for Opus 4.7 is 60,000, while GPT 5.5 requires only 16,000.79% similar UnverifiedGPT-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.78% similar

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