OpenAI

OGPT-4oAPI

GPT-4o (OpenAI): live API pricing, context window and the best open-source alternatives, tracked daily by olud.ai.

Context window
128K
tokens
Input price
$2.5
per M tokens
Output price
$10
per M tokens
Provider
OpenAI

Prices update automatically — checked hourly against provider list prices.

See open-source alternatives → Compare all model prices

Benchmarks & performance

Independent benchmark scores for GPT-4o, measured by Artificial Analysis. Higher is better. Measurement mode: March 2025, chatgpt-4o-latest.

Intelligence index12.3
Math index25.7
GPQA65.5%
MMLU-Pro80.3%
Humanity's Last Exam5%
LiveCodeBench42.5%
SciCode36.6%
MATH-50089.3%
AIME32.7%
AIME 202525.7%
Benchmark data by Artificial Analysis

About this model

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.

Frequently asked questions

What is GPT-4o?

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.

Is GPT-4o free?

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.

What is GPT-4o good at?

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.

Related models

o1-proOpenAIGPT-5.5 ProOpenAIGPT-5.4 ProOpenAIGPT-5.2 ProOpenAIGPT-5 ProOpenAIo3 ProOpenAI