OpenAI launches GPT-6.1 Sol with Astra-like performance on a budget

TL;DR OpenAI is introducing GPT-6.1 Sol, promising Astra-like performance at one-fifth the expenditure. Across numerous benchmarks, GPT-6.1 Sol comes close to 6 Astra’s capabilities, and outpaces GPT-6 Sol. GPT-6.1 demonstrates fewer factual errors than GPT-6 Sol across similar tests.