GPT-4o (OpenAI): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.
Prices update automatically — checked hourly against provider list prices.
Independent benchmark scores for GPT-4o, measured by Artificial Analysis. Higher is better. Measurement mode: March 2025, chatgpt-4o-latest.
GPT-4o is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed hourly from public list prices, so the numbers on this page reflect the current cost of using the model through its API.
GPT-4o is an AI language model from OpenAI. It is a proprietary model, available through an API. It scores 12.3 on the Artificial Analysis intelligence index.
GPT-4o is not free: it costs $2.5 per million input tokens and $10 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
Independent benchmarks from Artificial Analysis give it GPQA 65.5%, MMLU-Pro 80.3%, Humanity's Last Exam 5%, LiveCodeBench 42.5%, SciCode 36.6%, MATH-500 89.3%, AIME 32.7%, AIME 2025 25.7%. It is particularly used for mathematical reasoning.