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Hermes 4 70BOPEN
Hermes 4 70B (Nous Research): live API pricing, context window and the best open-source alternatives, tracked daily by OpenSourceAI.tech.
Prices update automatically — checked hourly against provider list prices.
Benchmarks & performance
Independent benchmark scores for Hermes 4 70B, measured by Artificial Analysis. Higher is better. Measurement mode: Non-reasoning.
For the same budget, Hermes 4 70B delivers 5.7 times more capability. Open weights also mean you can self-host it and pay nothing per token.
About this model
Hermes 4 70B is an open-weight AI model by Nous Research. 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 Hermes 4 70B?
Hermes 4 70B is an AI language model from Nous Research. It is open-weight: you can download it and run it on your own hardware, for free. It scores 6.9 on the Artificial Analysis intelligence index.
Is Hermes 4 70B free?
The weights are free and open — you can self-host Hermes 4 70B and pay nothing per token. If you prefer a hosted API, list prices are $0.13 per million input tokens and $0.4 per million output tokens.
What is Hermes 4 70B good at?
Independent benchmarks from Artificial Analysis give it GPQA 49.1%, MMLU-Pro 66.4%, Humanity's Last Exam 3.6%, Long Context Reasoning 2%, LiveCodeBench 26.9%, SciCode 27.7%, AIME 2025 11.3%, IFBench 29%, τ²-Bench 21.6%, Terminal-Bench Hard 0%. It is particularly used for mathematical reasoning.
How fast is Hermes 4 70B?
It generates about 93.2 tokens per second, with a median 0.59s delay before the first token. Measured independently by Artificial Analysis.
Can I self-host Hermes 4 70B?
Yes. Hermes 4 70B 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.
Open-source alternatives
Depending on your workload, an open-weight model that you can self-host may cut costs dramatically or remove per-token pricing entirely. Our comparison pages put this model side by side with the strongest open-source contenders.