OpenAI launches GPT-6 Astra: new SOTA on HealthBench Pro at about half Sol's cost
thekaransinghal · x · 2026-09-04
OpenAI's health-focused GPT-6 Astra sets a new state of the art on HealthBench Professional, a benchmark of real clinician tasks (care consultations, medical documentation, research) deliberately built around complex, rare cases. Key numbers: Astra beats GPT-5.6 Sol's best score at its lowest reasoning effort and roughly half the cost, and on an internal eval of common consumer health questions it makes factual mistakes over 3x less often than Sol at full reasoning. OpenAI frames it as a step toward trustworthy, abundant health intelligence for patients and clinicians.
Related event: OpenAI Launches GPT-6 Astra, Declaring the AGI Era(388 posts)→
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