GPT-5.6 Sol is available at a 70% discount on Devin Desktop and Devin CLI through October 3, 2026.
GPT-5.6 Sol is OpenAI’s flagship model, built for frontier reasoning and long-horizon agentic work. On FrontierCode 1.1, our proprietary benchmark that grades models on real-world engineering tasks based on quality and mergeability, Sol achieves top-tier results. With this promo, it is one of the most cost-effective frontier models you can run in Devin.