86% hallucination rate — GPT 5.5
GPT 5.5 has an 86% hallucination rate versus 52% for Claude Opus 4.7, making it a risky choice for coding agents where accuracy is critical.
Snapshot
From God Mode Podcast · Apr 25, 2026
GPT 5.5 has an 86% hallucination rate versus 52% for Claude Opus 4.7, making it a risky choice for coding agents where accuracy is critical.
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