Model comparison

C4ai Aya Expanse 32b vs Mistral Large 4

Mistral Large 4 is the stronger model overall, scoring 43.1 to 35.9 on the Noometry Index.

Last verified October 10, 2026. 12 shared benchmarks.

C4ai Aya Expanse 32b

Cohere

35.9

Rank #221 Confirmed

Mistral Large 4

Mistral AI

43.1

Rank #99 Confirmed

Summary

They share 12 benchmarks with published results for both. C4ai Aya Expanse 32b scores higher in 1 category and Mistral Large 4 in 7 categories; 7 gaps are clear of the uncertainty.
The widest gap is in writing & preference, where Mistral Large 4 leads 60.4 to 42.2.
Mistral Large 4 accepts more context: 1.05M tokens versus 128K.
C4ai Aya Expanse 32b has downloadable open weights; the other is API-only.

Side by side

C4ai Aya Expanse 32b and Mistral Large 4 specifications
	C4ai Aya Expanse 32b	Mistral Large 4
Provider	Cohere	Mistral AI
Noometry Index	35.9	43.1
Released	2024-10-24	2026-10-06
Weights	Open	Proprietary
Context window	128K	1.05M
Max output	4K	262K
Input $ / M tokens	—	$0.68
Output $ / M tokens	—	$2.09
Results tracked	18	15

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Category by category

Coding Mistral Large 4 leads

C4ai Aya Expanse 32b: 34.8 (#231), Mistral Large 4: 48.6 (#57)

Coding benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Coding	1197	1475
LMArena WebDev	—	1541

Reasoning Too close to call

C4ai Aya Expanse 32b: 23.3 (#180), Mistral Large 4: 22.5 (#192)

Reasoning benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Hard Prompts	1193	1444
NYT Connections (extended)	—	27.4%

Math Mistral Large 4 leads

C4ai Aya Expanse 32b: 34.0 (#197), Mistral Large 4: 40.4 (#91)

Math benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Math	1200	1488

Knowledge Mistral Large 4 leads

C4ai Aya Expanse 32b: 33.2 (#206), Mistral Large 4: 36.6 (#166)

Knowledge benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Expert	1182	1447
SimpleQA Verified	—	20%
Vectara Hallucination Rate	10.9%	—

Multilingual Mistral Large 4 leads

C4ai Aya Expanse 32b: 38.4 (#230), Mistral Large 4: 52.6 (#82)

Multilingual benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Non-English	1213	1415
LMArena Chinese	1211	1491
LMArena Russian	1227	1414
LMArena French	1248	—
LMArena German	1199	—
LMArena Japanese	1163	—
LMArena Korean	1158	—
LMArena Spanish	1193	—

Instruction Following Mistral Large 4 leads

C4ai Aya Expanse 32b: 62.6 (#237), Mistral Large 4: 75.0 (#76)

Instruction Following benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Instruction Following	1196	1424

Long Context Mistral Large 4 leads

C4ai Aya Expanse 32b: 37.2 (#220), Mistral Large 4: 43.6 (#89)

Long Context benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Longer Query	1228	1429

Writing & Preference Mistral Large 4 leads

C4ai Aya Expanse 32b: 42.2 (#235), Mistral Large 4: 60.4 (#97)

Writing & Preference benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral Large 4
LMArena Text	1224	1427
LMArena Creative Writing	1200	1361
LMArena Multi-Turn	1190	1424

Frequently asked questions

Is C4ai Aya Expanse 32b better than Mistral Large 4?

Mistral Large 4 is the stronger model overall, scoring 43.1 to 35.9 on the Noometry Index.

Is C4ai Aya Expanse 32b or Mistral Large 4 better for coding?

Mistral Large 4 scores higher on coding benchmarks: 48.6 versus 34.8 in the Noometry coding category.

Which has the bigger context window?

Mistral Large 4 does, with 1.05M tokens against 128K.

How many benchmarks do C4ai Aya Expanse 32b and Mistral Large 4 share?

12 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and Mistral Large 4 has 15.