Mistral · open weights
Mistral Medium 3.5
Mistral's current flagship: a 128B dense model with a 256K context, open weights under a modified MIT licence, and a $1.50/$7.50 hosted API.
- Organisation
- Mistral
- Weights published
- Licence
- Modified MIT
- Size
- 128B dense
- Modalities
- textimage
- Comparison catalog
- Mistral Medium 3.5 profile
Practical fit
A dense open-weight option for EU-hosted or self-hosted work that wants one model rather than a huge MoE.
Deployment note
Dense 128B needs multi-GPU memory at useful precision; review the licence modifications before commercial redistribution.
Where to go next
Other open-weight releases
Mistral · August 4, 2026
Shieldstral
Apache 2.0 · 3B classifier
Xiaomi · September 21, 2026
Xiaomi MiMo-V2.6-Pro
Not verified on the model card (secondary sources report MIT) · 1.02T total / 42B active MoE
DeepSeek · September 10, 2026
DeepSeek V4.1-Flash
MIT · 552B total MoE (encoder-decoder; 8B active for input, 16B for output)