GPT-6 Sol
OpenAI馃嚭馃嚫
openai/gpt-6-solGPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series (1.05M-token context, text, image, and file input, $2/$10 per million input/output tokens), released September 22, 2026 between the flagship GPT-6 Astra and the fast GPT-6 Luna. OpenAI reports it makes about half as many factual mistakes as GPT-5.6 Sol, reaching Astra-level reliability for everyday agentic coding and professional work at much lower cost.
Cost rate
2x
Context
1.1M
Released
Sep 22, 2026
Input
FileImageText
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Image understanding
#37 路 top 22%
Software & IT Services
#47 路 top 11%
Entertainment, Sports, & Media
#68 路 top 16%
Mathematical
#69 路 top 17%