OpenAI releases GPT-6.1 Sol
OpenAI released GPT-6.1 Sol (gpt-6.1-sol) for complex coding and professional work. Standard prices for prompts of up to 272K input tokens are $2 per 1M input tokens, $0.10 cached input and $10 output.
Models: GPT-6.1 Sol
Source: OpenAI API changelog, checked Sep 29, 2026. Summarized from the provider’s announcement.