Magistral Medium 1.2

Name: Magistral Medium 1.2
Author: Mistral AI

Mistral AI · 2025-09-18

Magistral Medium 1.2 is Mistral AI's frontier-class multimodal reasoning model update released in September 2025. It accepts text and image input, always generates thinking traces, and has a published 128k-token context limit. Mistral lists May 22, 2026 as its deprecation date and Mistral Medium 3.5 as its replacement.

Benchmark scores

Benchmark	Score
AA-LCR	51.3
AA-LCR v1.1	53.0
AA-Omniscience Index	-26.7
AIME 2024 (avg@8)	87.1
AIME 2024-2025	83.5
AIME 2025 (Artificial Analysis avg@10)	82.0
AIME 2025 (avg@8)	80.0
Artificial Analysis Agentic Index	1.9
Artificial Analysis Coding Index	21.3
Artificial Analysis Intelligence Index	17.9
Artificial Analysis Omniscience Accuracy	20.8
Artificial Analysis Omniscience Hallucination Rate	60.0
Artificial Analysis Openness Index	27.8
Artificial Analysis Progress Index v1	221
Capability	136.2
CorpFin v2	47.4
CorpFin v2 - Exact Pages	52.0
CorpFin v2 - Max Fitting Context	43.0
CorpFin v2 - Shared Max Context	47.2
CritPt (avg@5)	0.3
Design Arena Overall Code Categories	1031
GDPval-AA v2	362
GDPval-AA v2 (normalized)	0.0
GDPval-AA v2.1	176
Global MMLU Lite	81.6
GPQA Diamond	62.6
GPQA Diamond (Artificial Analysis avg@5)	73.9
GPQA Diamond (Vals protocol average)	62.4
Humanity's Last Exam (Text-Only)	10.3
IFBench (Artificial Analysis avg@5)	43.0