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Score: 00🌐 NewsJune 12, 2026

GPT-5.5 Beats Claude Fable 5 on Brutal New Agents' Last Exam Benchmark

GPT-5.5 outperforms Claude Fable 5 in a rigorous benchmark test for AI agents.

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https://opentools.ai/news/gpt-55-beats-claude-fable-5-agents-last-exam-benchmark-2026