O
GPT-4.1API
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning.
Prices update automatically — checked daily against provider list prices.
- $3.5 per 1M tokens, assuming 3 input for 1 output the convention used by Artificial Analysis
- cheaper than 34% of the 226 commercial models tracked here
- 60 of 101 OpenAI models tracked here, from cheapest
Benchmarks & performance
Independent benchmark scores for GPT-4.1, measured by Artificial Analysis. Higher is better.
About this model
GPT-4.1 is a commercial AI model by OpenAI. The specifications below are tracked automatically: pricing is refreshed daily 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-4.1?
GPT-4.1 is an AI language model from OpenAI. It is a proprietary model, available through an API.
Is GPT-4.1 free?
GPT-4.1 is not free: it costs $2 per million input tokens and $8 per million output tokens. Open-weight alternatives can be self-hosted at no per-token cost.
What is GPT-4.1 good at?
Independent benchmarks from Artificial Analysis give it GPQA 66.6%, MMLU-Pro 80.6%, Humanity's Last Exam 4.2%, Long Context Reasoning 68.3%, LiveCodeBench 45.7%, MATH-500 91.3%, AIME 43.7%, AIME 2025 34.7%, IFBench 43%, τ²-Bench 47.1%, Terminal-Bench Hard 13.6%. It is particularly used for mathematical reasoning.