The GPT-5.5 Instant model has demonstrated a significant reduction in medical errors, achieving a 71 percent decrease in tests. This advanced AI model outperformed human doctors in accuracy when answering medical questions. Notably, GPT-5.5 Instant is being made available to free users. AI
IMPACT Sets a new benchmark for AI in healthcare, potentially improving diagnostic accuracy and reducing medical errors.
RANK_REASON Frontier-lab model release with system card. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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