Model comparison

Granite 4.2 3b vs Mistral Medium 3.1

Granite 4.2 3b is the stronger model overall, scoring 39.0 to 31.5 on the Noometry Index.

Last verified October 10, 2026. 0 shared benchmarks.

Granite 4.2 3b IBM

39.0

Rank #163 Confirmed

Mistral Medium 3.1

Mistral AI

31.5

Rank #260 Reported

Summary

The widest gap is in reasoning, where Granite 4.2 3b leads 25.0 to 10.1.
Granite 4.2 3b has downloadable open weights; the other is API-only.

Side by side

Granite 4.2 3b and Mistral Medium 3.1 specifications
	Granite 4.2 3b	Mistral Medium 3.1
Provider	IBM	Mistral AI
Noometry Index	39.0	31.5
Released	—	—
Weights	Open	Proprietary
Context window	—	131K
Max output	—	105K
Input $ / M tokens	—	$0.40
Output $ / M tokens	—	$2
Results tracked	11	3

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Category by category

Coding Not comparable

Granite 4.2 3b: 39.4 (#146), Mistral Medium 3.1: —

Coding benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Coding	1363	—

Reasoning Granite 4.2 3b leads

Granite 4.2 3b: 25.0 (#136), Mistral Medium 3.1: 10.1 (#336)

Reasoning benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
NYT Connections (extended)	—	6.5%
Thematic Generalization	—	20.3%
LMArena Hard Prompts	1308	—

Knowledge Not comparable

Granite 4.2 3b: 35.6 (#169), Mistral Medium 3.1: —

Knowledge benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Expert	1313	—

Multilingual Not comparable

Granite 4.2 3b: 42.4 (#193), Mistral Medium 3.1: —

Multilingual benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Non-English	1268	—
LMArena Chinese	1268	—
LMArena Russian	1249	—

Instruction Following Not comparable

Granite 4.2 3b: 67.2 (#195), Mistral Medium 3.1: —

Instruction Following benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Instruction Following	1271	—

Long Context Not comparable

Granite 4.2 3b: 39.3 (#179), Mistral Medium 3.1: —

Long Context benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Longer Query	1293	—

Writing & Preference Mistral Medium 3.1 leads

Granite 4.2 3b: 47.9 (#202), Mistral Medium 3.1: 55.6 (#140)

Writing & Preference benchmarks
Benchmark	Granite 4.2 3b	Mistral Medium 3.1
LMArena Text	1295	—
LMArena Creative Writing	1215	—
EQ-Bench Creative Writing	—	1476
LMArena Multi-Turn	1293	—

Frequently asked questions

Is Granite 4.2 3b better than Mistral Medium 3.1?