OpenAI's current flagship
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...
Highest-compute GPT-5.6 variant
Balanced GPT-5.6 for general work
Fast, low-cost GPT-5.6