The first GPT-6 mid-tier model for complex coding and agent workflows, since succeeded by GPT-6.1 Sol. It has a 1.05M tokens context window. Through OpenAI’s API it costs $2.00 per million input tokens and $10.00 per million output tokens.
Among the tools we track, it’s available in Copilot, Zed and Amp. It hasn’t been deprecated, but OpenAI’s model page points to GPT-6.1 Sol as the newer Sol model.
Related changes
- GPT-6 Sol and GPT-6 Luna roll out to Codex · September 22, 2026
Sources
Facts last checked November 15, 2026.