Model comparison

Mistral Small 3.1 vs Phi-4 Mini

Mistral Small 3.1 and Phi-4 Mini score almost the same on the Noometry Index (31.7 vs 30.9), so choose on price, context window or the category you care about most.

Last verified October 10, 2026. 0 shared benchmarks.

Mistral Small 3.1

Mistral AI

31.7

Rank #269 Confirmed

Phi-4 Mini

Microsoft

30.9

Rank #283 Reported

Summary

The widest gap is in coding, where Mistral Small 3.1 leads 38.3 to 28.1.
Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.

Side by side

Mistral Small 3.1 and Phi-4 Mini specifications
	Mistral Small 3.1	Phi-4 Mini
Provider	Mistral AI	Microsoft
Noometry Index	31.7	30.9
Released	2025-03-17	2024-12-11
Weights	Open	Open
Context window	128K	128K
Max output	102K	4K
Input $ / M tokens	$0.35	$0.075
Output $ / M tokens	$0.56	$0.30
Results tracked	28	3

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Category by category

Coding Mistral Small 3.1 leads

Mistral Small 3.1: 38.3 (#179), Phi-4 Mini: 28.1 (#317)

Coding benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
SciCode	—	10.8%
LMArena Coding	1309	—

Reasoning Phi-4 Mini leads

Mistral Small 3.1: 19.7 (#254), Phi-4 Mini: 22.4 (#195)

Reasoning benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
CritPt	—	0%
Chess Puzzles	1%	—
LMArena Hard Prompts	1278	—
Epoch Capabilities Index	127.48	—

Math Not comparable

Mistral Small 3.1: 14.7 (#301), Phi-4 Mini: —

Math benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
OTIS Mock AIME 2024-2025	3.9%	—
Omni-MATH	24.8%	—
LMArena Math	1262	—

Knowledge Phi-4 Mini leads

Mistral Small 3.1: 22.6 (#271), Phi-4 Mini: 25.3 (#262)

Knowledge benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
GPQA Diamond	41.9%	—
MMLU-Pro	61%	—
Vectara Hallucination Rate	—	23.5%
GPQA (HELM)	39.2%	—
LMArena Expert	1257	—

Multimodal Not comparable

Mistral Small 3.1: 33.2 (#99), Phi-4 Mini: —

Multimodal benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
LMArena Vision	1136	—

Multilingual Not comparable

Mistral Small 3.1: 41.2 (#209), Phi-4 Mini: —

Multilingual benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
LMArena Non-English	1255	—
LMArena Chinese	1253	—
LMArena French	1273	—
LMArena German	1266	—
LMArena Japanese	1208	—
LMArena Korean	1206	—
LMArena Russian	1263	—
LMArena Spanish	1283	—

Instruction Following Not comparable

Mistral Small 3.1: 63.6 (#230), Phi-4 Mini: —

Instruction Following benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
IFEval	75%	—
LMArena Instruction Following	1264	—

Long Context Not comparable

Mistral Small 3.1: 39.5 (#178), Phi-4 Mini: —

Long Context benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
LMArena Longer Query	1299	—

Writing & Preference Not comparable

Mistral Small 3.1: 37.0 (#259), Phi-4 Mini: —

Writing & Preference benchmarks
Benchmark	Mistral Small 3.1	Phi-4 Mini
LMArena Text	1277	—
LMArena Creative Writing	1253	—
EQ-Bench Creative Writing	761	—
WildBench	78.8%	—
LMArena Multi-Turn	1270	—

Frequently asked questions

Is Mistral Small 3.1 better than Phi-4 Mini?

Mistral Small 3.1 and Phi-4 Mini score almost the same on the Noometry Index (31.7 vs 30.9), so choose on price, context window or the category you care about most.

Which is cheaper, Mistral Small 3.1 or Phi-4 Mini?

Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.

Is Mistral Small 3.1 or Phi-4 Mini better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 28.1 in the Noometry coding category.

Which has the bigger context window?

Both accept 128K tokens.

How many benchmarks do Mistral Small 3.1 and Phi-4 Mini share?

0 benchmarks have published results for both models. Mistral Small 3.1 has 28 scored results on Noometry and Phi-4 Mini has 3.