Conductor 0.89.1: GPT-6.1 Sol

OpenAI's GPT-6.1 Sol is now available in Conductor as of version 0.89.1, released September 29, 2026, and is the new default Codex model. The upgrade to GPT-6 Sol nearly matches GPT-6 Astra on agentic coding at one-fifth of Astra's price, according to Conductor.

0.89.1September 29, 2026GPT-6.1 Sol GPT-6.1 Sol is now available in Conductor OpenAI's upgrade to GPT-6 Sol nearly matches GPT-6 Astra on agentic coding at one-fifth of Astra's price. It's also the new default Codex model.