GPT-5 Pro sits in the frontier tier — built for high-capability reasoning, tool use, and long-form output where capability outweighs cost. Available via OpenAI. 400K-token context. Frontier-tier pricing.
GPT-5 Pro is a multimodal AI model from OpenAI. It costs $15.000 per million input tokens and $120.000 per million output tokens (blended $46.500/M), with a 400K-token context window.
GPT-5 Pro costs $15.000 per million input tokens and $120.000 per million output tokens, for a blended reference rate of $46.500 per million tokens.
GPT-5 Pro supports up to 400K tokens of context (400,000 tokens).
GPT-5 Pro is well suited to Strong general reasoning, Tool use & function calling and Long-form writing.
GPT-5 Pro is developed and served by OpenAI.