Magistral Medium 1.2 | Epoch AI

ECI

N/A

Mistral AI

Sep. 18, 2025

Closed weights

Magistral Medium 1.2 is a closed-weights model from Mistral AI, released September 18, 2025.

Magistral Medium 1.2 vs select alternatives

Domain	Benchmark	Magistral Medium 1.2 Mistral AI Sep. 18, 2025 Closed weights	GPT-5 OpenAI Aug. 7, 2025 Closed weights	Grok 4 xAI Jul. 9, 2025 Closed weights	Gemini 2.5 Pro (Jun 2025) Google DeepMind Jun. 5, 2025 Closed weights
Science	CritPtBest score 32%	0%	13%	n/a	2%
	SciCodeBest score 67%	39%	43%	n/a	43%

Model metadata

General
Organization	Mistral AI
Release date	Sep. 18, 2025
Model accessibility	Closed weights
Country	France
Knowledge cutoff	Unknown
Provider notes	Unknown

Pricing
Input price	—
Output price	—

Training
Parameters	Unknown
Training compute	Unknown
Training hardware	Unknown
Training time	Unknown
Training dataset size	Unknown