GPT-5.6 Sol
OpenAI
openai/gpt-5.6-solGPT-5.6 Sol is the flagship tier of OpenAI's GPT-5.6 family, built for complex reasoning, multi-step coding, and long-horizon agentic work, with particular strength on command-line and terminal-driven tasks.
Cost rate
3x
Context
1.1M
Released
Jul 9, 2026
Input
FileImageText
Output
Text
Support
ReasoningTool callingStructured outputs
Best at
The categories where this model ranks highest.
Entertainment, Sports, & Media
#7 · top 2%
Writing, Literature, & Language
#8 · top 2%
Mathematical
#9 · top 2%
Document analysis
#11 · top 28%
Performance
Median latency and throughput measured across recent requests.
Throughput63 tok/s
Latency