Model comparison

Mistral Medium 3.5 vs Qwen2.5 7B Instruct

Mistral Medium 3.5 is the stronger model overall, scoring 39.6 to 28.6 on the Noometry Index. Qwen2.5 7B Instruct costs 9.8× less per token, which makes it the better buy when Mistral Medium 3.5's lead doesn't matter for your workload.

Last verified October 10, 2026. 1 shared benchmarks.

Mistral Medium 3.5

Mistral AI

39.6

Rank #151 Confirmed

Qwen2.5 7B Instruct

Alibaba (Qwen)

28.6

Rank #314 Confirmed

Summary

They share 1 benchmark with published results for both. Mistral Medium 3.5 scores higher in 5 categories and Qwen2.5 7B Instruct in 1 category; 5 gaps are clear of the uncertainty.
The widest gap is in math, where Mistral Medium 3.5 leads 36.4 to 11.8.
Qwen2.5 7B Instruct is cheaper at $0.17 / $0.70 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium 3.5.
Mistral Medium 3.5 accepts more context: 262K tokens versus 131K.

Side by side

Mistral Medium 3.5 and Qwen2.5 7B Instruct specifications
	Mistral Medium 3.5	Qwen2.5 7B Instruct
Provider	Mistral AI	Alibaba (Qwen)
Noometry Index	39.6	28.6
Released	—	2024-09
Weights	Open	Open
Context window	262K	131K
Max output	210K	8K
Input $ / M tokens	$1.50	$0.17
Output $ / M tokens	$7.50	$0.70
Results tracked	22	15

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Category by category

Coding Too close to call

Mistral Medium 3.5: 35.7 (#208), Qwen2.5 7B Instruct: 35.9 (#204)

Coding benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
LMArena WebDev	1263	—
BigCodeBench Instruct	—	37.6%
LMArena Coding	1461	—
BigCodeBench Complete	—	46.1%

Agentic & Tool Use Not comparable

Mistral Medium 3.5: —, Qwen2.5 7B Instruct: 23.5 (#117)

Agentic & Tool Use benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
BALROG	—	7.8%

Reasoning Mistral Medium 3.5 leads

Mistral Medium 3.5: 16.6 (#290), Qwen2.5 7B Instruct: 14.3 (#317)

Reasoning benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
Epoch Capabilities Index	141.42	118.44
Kagi LLM Benchmark	41.4%	—
NYT Connections (extended)	12.9%	—
Chess Puzzles	—	0%
LMArena Hard Prompts	1436	—
DTBench	—	47.7%
LMCA	—	6.4%

Math Mistral Medium 3.5 leads

Mistral Medium 3.5: 36.4 (#113), Qwen2.5 7B Instruct: 11.8 (#300)

Math benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
OTIS Mock AIME 2024-2025	—	2.5%
Omni-MATH	—	29.4%
LMArena Math	1432	—

Knowledge Mistral Medium 3.5 leads

Mistral Medium 3.5: 39.3 (#123), Qwen2.5 7B Instruct: 17.0 (#281)

Knowledge benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
GPQA Diamond	—	35.5%
MMLU-Pro	—	53.9%
GPQA (HELM)	—	34.1%
LMArena Expert	1431	—
MMLU	—	72.9%

Multimodal Not comparable

Mistral Medium 3.5: 37.6 (#64), Qwen2.5 7B Instruct: —

Multimodal benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
LMArena Vision	1222	—

Multilingual Not comparable

Mistral Medium 3.5: 52.1 (#93), Qwen2.5 7B Instruct: —

Multilingual benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
LMArena Non-English	1405	—
LMArena Chinese	1443	—
LMArena French	1448	—
LMArena German	1453	—
LMArena Korean	1387	—
LMArena Russian	1396	—
LMArena Spanish	1406	—

Instruction Following Mistral Medium 3.5 leads

Mistral Medium 3.5: 74.7 (#87), Qwen2.5 7B Instruct: 63.4 (#226)

Instruction Following benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
IFEval	—	74.1%
LMArena Instruction Following	1414	—

Long Context Not comparable

Mistral Medium 3.5: 43.2 (#101), Qwen2.5 7B Instruct: —

Long Context benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
LMArena Longer Query	1414	—

Writing & Preference Mistral Medium 3.5 leads

Mistral Medium 3.5: 58.6 (#113), Qwen2.5 7B Instruct: 48.8 (#194)

Writing & Preference benchmarks
Benchmark	Mistral Medium 3.5	Qwen2.5 7B Instruct
LMArena Text	1421	—
LMArena Creative Writing	1372	—
WildBench	—	73.1%
EQ-Bench 4	993	—
LMArena Multi-Turn	1423	—

Frequently asked questions

Is Mistral Medium 3.5 better than Qwen2.5 7B Instruct?

Which is cheaper, Mistral Medium 3.5 or Qwen2.5 7B Instruct?

Qwen2.5 7B Instruct is cheaper. It lists at $0.17 per million input tokens and $0.70 per million output tokens; Mistral Medium 3.5 lists at $1.50 and $7.50.

Is Mistral Medium 3.5 or Qwen2.5 7B Instruct better for coding?

They score almost the same on coding (35.7 vs 35.9); test both on your own repository before choosing.

Which has the bigger context window?

Mistral Medium 3.5 does, with 262K tokens against 131K.

How many benchmarks do Mistral Medium 3.5 and Qwen2.5 7B Instruct share?

1 benchmark has published results for both models. Mistral Medium 3.5 has 22 scored results on Noometry and Qwen2.5 7B Instruct has 15.