model releaseOpenAI
OpenAI Releases GPT-5.6 Sol Pro with Extended Reasoning Mode at $5 Input/$30 Output per 1M Tokens
OpenAI has released GPT-5.6 Sol Pro, a reasoning-enhanced variant of GPT-5.6 Sol designed for complex tasks. The model features a 1 million token context window, February 2026 knowledge cutoff, and is priced at $5 per 1M input tokens and $30 per 1M output tokens.