OpenAI expands GPT-6 with economical Sol and Luna models

OpenAI reportedly released GPT-6 Sol and Luna variants aimed at lower-cost coding, factuality, and computer-use workloads. A separate physical-driving evaluation found GPT-6 Astra completed a short course where Grok 4.6 and Claude Fable 5.1 failed, but high inference costs, perception failures, and limited independent evidence keep the broader GPT-6 reporting provisional.