BioBasicsBench: GPT-6 Astra vs GPT-6.1 Sol, Astra Wins

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OpenAI’s BioBasicsBench benchmark shows GPT‑6 Astra leading with a 66.7% mean reward, ahead of GPT‑6.1 Sol and older models. Comparisons also include Claude Fable 5.2 and Gemini 4 Argon, highlighting narrow performance gaps and cautions about unsupervised lab use. The results reflect both strengths and limitations of current AI reasoning capabilities.