GPT-4o mini
Released
GPT-4o mini is an AI model released by OpenAI on Thursday, Jul 18 2024, 66 days after GPT-4o. It has a 128k token context window. Benchmark results (shown below) cover BullshitBench v2, and GPQA Diamond.
API pricing
- InputWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
- $0.15
- Cached inputA reduced rate for text you send over and over. If every request starts with the same instructions or the same document, the provider keeps a copy ready and charges less to read it again.
- $0.075
- OutputWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
- $0.60
Available from
| Azure | — | $0.15 | $0.60 | 128K |
|---|---|---|---|---|
| Azure | swedencentral | $0.165 | $0.66 | 128K |
Benchmarks
Reasoning & science
Robustness
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Frequently asked questions
GPT-4o mini was released by OpenAI on Thursday, Jul 18 2024.
GPT-4o mini was built by OpenAI. Creators of ChatGPT and the GPT series of models. Pioneered large-scale language model research.
GPT-4o mini costs $0.15 per million input tokens and $0.60 per million output tokens through the OpenAI API. Cached input is $0.075 per million tokens. Rates are pay-as-you-go API prices verified against OpenAI's published pricing on August 18, 2026.
GPT-4o mini reports 2 tracked benchmark scores — BullshitBench v2: 2%; GPQA Diamond: 40.2%. Scores are the figures published at release by OpenAI.
GPT-4o mini has a context window of 128k. That is the maximum amount of input plus output the model can hold in a single request.
No. GPT-4o mini 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-4o on May 13 2024, 66 days earlier. It was followed by o1-preview on Sep 12 2024.