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Tracking the accelerating release frequency of frontier AI models.

Mistral Medium 3.5

Mistral·

LLMsopen-weightWorkstation

Overview

128B dense flagship from Mistral with 256k context, multimodal (text + vision), open weights under a modified MIT license. Self-hostable on 4 GPUs at ~70GB VRAM with Q4 quantization. First Mistral flagship trained on the new 13,800-GPU Paris facility, merging Magistral (reasoning) and Devstral 2 (coding) into one model.

Capabilities and innovations

128B dense parameters256k context windowMultimodal (text + vision)Reasoning + coding unifiedModified MIT licenseFirst flagship trained on Mistral's 13,800-GPU Paris facilityUnified Magistral (reasoning) + Devstral 2 (coding) in one modelModified MIT release at flagship scale

Benchmarks

BenchmarkScoreSource
SWE-bench Verified77.6%unsourced

Architecture and hardware

Parameters
128B total, 128B active per token (Dense)
Estimated VRAM at Q4
~74 GB, Workstation class
Quantization formats
GGUF, GPTQ, AWQ
Recommended runtime
vLLM
License
Modified MIT

Links

More from Mistral

Data curated by AI Model Timeline. See the methodology for admission criteria, benchmark eras and source priority.