GPT-5 Pro
Released
GPT-5 Pro is an AI model released by OpenAI on Thursday, Aug 7 2025, the same day as GPT-5 nano.
API pricing
- InputWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
- $15.00
- OutputWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
- $120.00
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Frequently asked questions
GPT-5 Pro was released by OpenAI on Thursday, Aug 7 2025.
GPT-5 Pro was built by OpenAI. Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research.
GPT-5 Pro costs $15.00 per million input tokens and $120.00 per million output tokens through the OpenAI API. Rates are pay-as-you-go API prices verified against OpenAI's published pricing on August 18, 2026.
No. GPT-5 Pro is a proprietary model. The weights are not published — it is available only through the provider's own API, apps, or partner platforms.
OpenAI's previous tracked release was GPT-5 nano on Aug 7 2025. It was followed by GPT-5-Codex on Sep 15 2025.