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R1 0528OPEN
R1 0528 (DeepSeek): 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.
Benchmarks & performance
Independent benchmark scores for R1 0528, measured by Artificial Analysis. Higher is better. Measurement mode: May '25.
About this model
R1 0528 is an open-weight AI model by DeepSeek. You can download and self-host it for free; the prices below are hosted-API list prices, tracked hourly, for when you prefer convenience over self-hosting.
Frequently asked questions
What is R1 0528?
R1 0528 is an AI language model from DeepSeek. It is open-weight: you can download it and run it on your own hardware, for free. It scores 20.1 on the Artificial Analysis intelligence index.
Is R1 0528 free?
The weights are free and open — you can self-host R1 0528 and pay nothing per token. If you prefer a hosted API, list prices are $0.5 per million input tokens and $2.15 per million output tokens.
What is R1 0528 good at?
Independent benchmarks from Artificial Analysis give it GPQA 81.3%, MMLU-Pro 84.9%, Humanity's Last Exam 14.9%, Long Context Reasoning 54.7%, LiveCodeBench 77%, SciCode 40.3%, MATH-500 98.3%, AIME 89.3%, AIME 2025 76%, IFBench 39.6%, τ²-Bench 36.5%, Terminal-Bench Hard 15.9%. It is particularly used for mathematical reasoning.
Can I self-host R1 0528?
Yes. R1 0528 has open weights, so you can download it and run it on your own GPU or server with tools like Ollama, vLLM or llama.cpp — with no per-token cost.