Model comparison

DeepSeek V4 Flash vs Mistral Small 3.2

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 31.2 on the Noometry Index. Mistral Small 3.2 costs 2.0× less per token, which makes it the better buy when DeepSeek V4 Flash's lead doesn't matter for your workload.

Last verified October 10, 2026. 6 shared benchmarks.

DeepSeek V4 Flash

DeepSeek

53.6

Rank #35 Confirmed

Mistral Small 3.2

Mistral AI

31.2

Rank #280 Confirmed

Summary

They share 6 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 4 categories and Mistral Small 3.2 in 0 categories; 4 gaps are clear of the uncertainty.
The widest gap is in reasoning, where DeepSeek V4 Flash leads 53.7 to 18.1.
The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.4% for DeepSeek V4 Flash and 30.3% for Mistral Small 3.2.
Mistral Small 3.2 is cheaper at $0.0938 / $0.25 per million input/output tokens, against $0.15 / $0.60 for DeepSeek V4 Flash.
DeepSeek V4 Flash accepts more context: 1M tokens versus 256K.

Side by side

DeepSeek V4 Flash and Mistral Small 3.2 specifications
	DeepSeek V4 Flash	Mistral Small 3.2
Provider	DeepSeek	Mistral AI
Noometry Index	53.6	31.2
Released	2026-04-24	2025-06-20
Weights	Open	Open
Context window	1M	256K
Max output	393K	16K
Input $ / M tokens	$0.15	$0.0938
Output $ / M tokens	$0.60	$0.25
Results tracked	41	6

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Category by category

Coding Not comparable

DeepSeek V4 Flash: 47.9 (#59), Mistral Small 3.2: —

Coding benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
FrontierCode	18.8%	—
LMArena WebDev	1582	—
SciCode	49.9%	—
WeirdML	63%	—
LMArena Coding	1457	—
ALE-Bench	1,306	—

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), Mistral Small 3.2: 18.1 (#287)

Reasoning benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
Kagi LLM Benchmark	52.2%	40.4%
Chess Puzzles	33%	1%
Epoch Capabilities Index	154.49	131.74
ARC-AGI-2	61.4%	—
SimpleBench	61.1%	—
NYT Connections (extended)	89.6%	—
ARC-AGI-1	89%	—
CritPt	16.6%	—
LMArena Hard Prompts	1444	—
Mystery Game Puzzles	34%	—
DTBench	90.9%	—
LMCA	41.7%	—

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), Mistral Small 3.2: 26.3 (#260)

Math benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
OTIS Mock AIME 2024-2025	94.4%	30.3%
FrontierMath (Tiers 1-3)	57.5%	—
FrontierMath Tier 4	24.4%	—
MathArena Final-Answer Competitions	76.5%	—
ProofBench	56%	—
LMArena Math	1427	—

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), Mistral Small 3.2: 26.7 (#256)

Knowledge benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
GPQA Diamond	91%	49.1%
SimpleQA Verified	33.6%	—
LMArena Expert	1441	—

Multilingual Not comparable

DeepSeek V4 Flash: 53.0 (#72), Mistral Small 3.2: —

Multilingual benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
LMArena Non-English	1420	—
LMArena Chinese	1468	—
LMArena French	1439	—
LMArena German	1418	—
LMArena Japanese	1406	—
LMArena Korean	1384	—
LMArena Russian	1428	—
LMArena Spanish	1436	—

Instruction Following Not comparable

DeepSeek V4 Flash: 74.9 (#81), Mistral Small 3.2: —

Instruction Following benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
LMArena Instruction Following	1421	—

Long Context Not comparable

DeepSeek V4 Flash: 43.8 (#85), Mistral Small 3.2: —

Long Context benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
LMArena Longer Query	1434	—

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), Mistral Small 3.2: 45.0 (#224)

Writing & Preference benchmarks
Benchmark	DeepSeek V4 Flash	Mistral Small 3.2
EQ-Bench Creative Writing	1559	1255
LMArena Text	1432	—
LMArena Creative Writing	1403	—
LMArena Multi-Turn	1449	—

Frequently asked questions

Is DeepSeek V4 Flash better than Mistral Small 3.2?

Which is cheaper, DeepSeek V4 Flash or Mistral Small 3.2?

Mistral Small 3.2 is cheaper. It lists at $0.0938 per million input tokens and $0.25 per million output tokens; DeepSeek V4 Flash lists at $0.15 and $0.60.

Which has the bigger context window?

DeepSeek V4 Flash does, with 1M tokens against 256K.

How many benchmarks do DeepSeek V4 Flash and Mistral Small 3.2 share?

6 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Mistral Small 3.2 has 6.