Mistral Medium 3.5
Hugging Face (open weights) Open weights
The catch: Companies (or employers) with over US$20M monthly revenue get no rights under the licence, and a dense 128B model needs several GPUs.
| Access | Open weights |
|---|---|
| Free limits | Free to download and self-host; you pay only for your own compute. Dense 128B with image input and a 256K-token context, so it needs several GPUs. Free for companies under US$20M monthly revenue. |
| Modality | text, code, image |
| Credit card | Not required |
| Commercial use | Allowed |
| Trains on your data | – |
| Licence or terms | Modified MIT (Mistral, US$20M monthly revenue cap) |
| Context window | 262,144 tokens |
| Model id | mistralai/Mistral-Medium-3.5-128B |
| Base URL | – |
| Last checked | 8 Oct 2026 |
How to use Mistral Medium 3.5
Download the weights and serve them yourself; the quickstart below shows one way. Licence: Modified MIT (Mistral, US$20M monthly revenue cap).
vllm serve mistralai/Mistral-Medium-3.5-128B # then: curl http://localhost:8000/v1/chat/completions -H "Content-Type: application/json" -d '{"model":"mistralai/Mistral-Medium-3.5-128B","messages":[{"role":"user","content":"Hello"}]}'I want to run the open-weight model "Mistral Medium 3.5" (mistralai/Mistral-Medium-3.5-128B) for my project. Please: 1. Check the model card and tell me the hardware it needs and the simplest way to serve it (vLLM, SGLang, Ollama or a hosted endpoint). 2. Give me a minimal working setup and a test request. 3. Tell me the licence terms for commercial use. 4. If a cheaper or smaller variant would do the job, mention it.
Before you ship on it
- Companies (or employers) with over US$20M monthly revenue get no rights under the licence, and a dense 128B model needs several GPUs.
- Modified MIT License (LICENSE in the HF repo): MIT-style grant including commercial use and sale, but you get no rights at all if your company's (or your employer's) global consolidated monthly revenue exceeded US$20…
- Free to run means you pay for the GPUs, the serving stack and the on-call.
Questions
Is Mistral Medium 3.5 free?
Yes. Open weights offers it as open weights, with these limits: Self-host free · Modified MIT. No credit card is needed.
Can I use Mistral Medium 3.5 commercially?
Yes, under Modified MIT (Mistral, US$20M monthly revenue cap). Check the current terms before you ship.
How do I start with Mistral Medium 3.5?
Download the weights and serve them yourself; the quickstart below shows one way. Licence: Modified MIT (Mistral, US$20M monthly revenue cap).
Source: huggingface.co/mistralai/Mistral-Medium-3.5-128B, checked 8 Oct 2026.