Model comparison

C4ai Aya Expanse 32b vs Mistral 7B

C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 23.0 on the Noometry Index.

Last verified October 10, 2026. 16 shared benchmarks.

C4ai Aya Expanse 32b

Cohere

35.9

Rank #221 Confirmed

Mistral 7B

Mistral AI

23.0

Rank #351 Confirmed

Summary

They share 16 benchmarks with published results for both. C4ai Aya Expanse 32b scores higher in 8 categories and Mistral 7B in 0 categories; 8 gaps are clear of the uncertainty.
The widest gap is in math, where C4ai Aya Expanse 32b leads 34.0 to 8.1.
C4ai Aya Expanse 32b accepts more context: 128K tokens versus 8K.

Side by side

C4ai Aya Expanse 32b and Mistral 7B specifications
	C4ai Aya Expanse 32b	Mistral 7B
Provider	Cohere	Mistral AI
Noometry Index	35.9	23.0
Released	2024-10-24	2023-09-27
Weights	Open	Open
Context window	128K	8K
Max output	4K	8K
Input $ / M tokens	—	$0.25
Output $ / M tokens	—	$0.25
Results tracked	18	37

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Category by category

Coding C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 34.8 (#231), Mistral 7B: 26.4 (#326)

Coding benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Coding	1197	1082
BigCodeBench Instruct	—	19.5%
BigCodeBench Complete	—	27.3%
HumanEval+	—	36%
MBPP+	—	42.1%

Reasoning C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 23.3 (#180), Mistral 7B: 13.1 (#336)

Reasoning benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Hard Prompts	1193	1067
Chess Puzzles	—	0%
DTBench	—	42.5%
Adversarial NLI	—	47.1%
BIG-Bench Hard	—	56.1%
Epoch Capabilities Index	—	112.21
HellaSwag	—	81%
PIQA	—	83%
WinoGrande	—	75.3%

Math C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 34.0 (#197), Mistral 7B: 8.1 (#325)

Math benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Math	1200	1085
OTIS Mock AIME 2024-2025	—	0.3%
MATH Level 5	—	3.7%
GSM8K	—	54.4%

Knowledge C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 33.2 (#206), Mistral 7B: 7.4 (#311)

Knowledge benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Expert	1182	1036
GPQA Diamond	—	15.2%
Vectara Hallucination Rate	10.9%	—
ARC (AI2) Challenge	—	78.6%
BoolQ	—	87.4%
MMLU	—	62.5%
OpenBookQA	—	79.8%
TriviaQA	—	75.2%

Multilingual C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 38.4 (#230), Mistral 7B: 25.8 (#283)

Multilingual benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Non-English	1213	1012
LMArena Chinese	1211	1009
LMArena French	1248	1037
LMArena German	1199	987
LMArena Japanese	1163	878
LMArena Russian	1227	1018
LMArena Spanish	1193	1026
LMArena Korean	1158	—

Instruction Following C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 62.6 (#237), Mistral 7B: 54.2 (#280)

Instruction Following benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Instruction Following	1196	1060

Long Context C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 37.2 (#220), Mistral 7B: 32.2 (#271)

Long Context benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Longer Query	1228	1060

Writing & Preference C4ai Aya Expanse 32b leads

C4ai Aya Expanse 32b: 42.2 (#235), Mistral 7B: 30.7 (#286)

Writing & Preference benchmarks
Benchmark	C4ai Aya Expanse 32b	Mistral 7B
LMArena Text	1224	1090
LMArena Creative Writing	1200	1068
LMArena Multi-Turn	1190	1062

Frequently asked questions

Is C4ai Aya Expanse 32b better than Mistral 7B?

C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 23.0 on the Noometry Index.

Is C4ai Aya Expanse 32b or Mistral 7B better for coding?

C4ai Aya Expanse 32b scores higher on coding benchmarks: 34.8 versus 26.4 in the Noometry coding category.

Which has the bigger context window?

C4ai Aya Expanse 32b does, with 128K tokens against 8K.

How many benchmarks do C4ai Aya Expanse 32b and Mistral 7B share?

16 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and Mistral 7B has 37.