GPT-6 Sol and GPT-6 Luna are now available in Devin

OpenAI released GPT-6 Sol and GPT-6 Luna. Both are live now in Devin Desktop and Devin CLI. On FrontierCode 1.1, Sol matches GPT-5.6 Sol at 61% lower cost per task, and Luna beats GPT-5.6 Luna at a quarter of the cost, making it the cheapest model on the leaderboard.