GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, and agentic workflows, and is particularly strong at command-line and multi-step coding tasks...
Rank
#20
Up 21% week over week
Tokens
684.3B
2026-08-14
Requests
19.2M
19,207,802
Tool calls
-
Input / M
$5.00
Output / M
$30
Cache / M
$0.50
Context
1.1M
1,050,000 tokens