Model comparison

DeepSeek V4 Flash vs Mistral Small

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 33.4 on the Noometry Index.

Last verified . 25 shared benchmarks.

DeepSeek V4 Flash DeepSeek

53.6

Rank #35 Confirmed

Mistral Small Mistral AI

33.4

Rank #243 Confirmed

Summary

  • They share 25 benchmarks with published results for both. DeepSeek V4 Flash scores higher in 8 categories and Mistral Small in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where DeepSeek V4 Flash leads 60.3 to 16.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 94.4% for DeepSeek V4 Flash and 5.8% for Mistral Small.
  • Both cost about the same: $0.15 input and $0.60 output per million tokens.
  • DeepSeek V4 Flash accepts more context: 1M tokens versus 262K.

Side by side

DeepSeek V4 Flash and Mistral Small specifications
DeepSeek V4 FlashMistral Small
ProviderDeepSeekMistral AI
Noometry Index53.633.4
Released2026-04-242024-02-26
WeightsOpenOpen
Context window1M262K
Max output393K256K
Input $ / M tokens$0.15$0.15
Output $ / M tokens$0.60$0.60
Results tracked4139

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Category by category

Coding DeepSeek V4 Flash leads

DeepSeek V4 Flash: 47.9 (#59), Mistral Small: 34.0 (#247)

Coding benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
SciCode49.9%26.5%
LMArena Coding14571362
ALE-Bench1,306497.62
FrontierCode18.8%—
LMArena WebDev1582—
WeirdML63%—
BigCodeBench Instruct—36.1%
LiveBench Coding—36.2%
BigCodeBench Complete—46.6%

Agentic & Tool Use Not comparable

DeepSeek V4 Flash: —, Mistral Small: 28.1 (#93)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
Berkeley Function Calling Leaderboard—37.1%

Reasoning DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.7 (#30), Mistral Small: 19.8 (#250)

Reasoning benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
Kagi LLM Benchmark52.2%37.8%
CritPt16.6%0%
LMArena Hard Prompts14441335
DTBench90.9%70.9%
LMCA41.7%20.6%
ARC-AGI-261.4%—
SimpleBench61.1%—
NYT Connections (extended)89.6%—
ARC-AGI-189%—
Chess Puzzles33%—
LiveBench Reasoning—44.8%
Mystery Game Puzzles34%—
LiveBench Data Analysis—53.7%
Epoch Capabilities Index154.49—
LiveBench—44%

Math DeepSeek V4 Flash leads

DeepSeek V4 Flash: 60.3 (#37), Mistral Small: 16.4 (#293)

Math benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
OTIS Mock AIME 2024-202594.4%5.8%
LMArena Math14271341
FrontierMath (Tiers 1-3)57.5%—
FrontierMath Tier 424.4%—
MathArena Final-Answer Competitions76.5%—
ProofBench56%—
LiveBench Math—39.9%
MATH Level 5—46.8%

Knowledge DeepSeek V4 Flash leads

DeepSeek V4 Flash: 55.4 (#48), Mistral Small: 31.0 (#222)

Knowledge benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
GPQA Diamond91%47.5%
LMArena Expert14411291
SimpleQA Verified33.6%—
Vectara Hallucination Rate—5.1%
MMLU—68.7%

Multimodal Not comparable

DeepSeek V4 Flash: —, Mistral Small: 33.5 (#96)

Multimodal benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
LMArena Vision—1142

Multilingual DeepSeek V4 Flash leads

DeepSeek V4 Flash: 53.0 (#72), Mistral Small: 45.5 (#169)

Multilingual benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
LMArena Non-English14201315
LMArena Chinese14681340
LMArena French14391337
LMArena German14181340
LMArena Japanese14061275
LMArena Korean13841259
LMArena Russian14281324
LMArena Spanish14361346

Instruction Following DeepSeek V4 Flash leads

DeepSeek V4 Flash: 74.9 (#81), Mistral Small: 66.4 (#209)

Instruction Following benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
LMArena Instruction Following14211310
LiveBench Instruction Following—63.7%

Long Context DeepSeek V4 Flash leads

DeepSeek V4 Flash: 43.8 (#85), Mistral Small: 40.4 (#156)

Long Context benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
LMArena Longer Query14341327

Writing & Preference DeepSeek V4 Flash leads

DeepSeek V4 Flash: 63.8 (#61), Mistral Small: 52.5 (#171)

Writing & Preference benchmarks
BenchmarkDeepSeek V4 FlashMistral Small
LMArena Text14321338
LMArena Creative Writing14031305
LMArena Multi-Turn14491344
EQ-Bench Creative Writing1559—
LiveBench Language—30.5%

Frequently asked questions

Is DeepSeek V4 Flash better than Mistral Small?

DeepSeek V4 Flash is the stronger model overall, scoring 53.6 to 33.4 on the Noometry Index.

Which is cheaper, DeepSeek V4 Flash or Mistral Small?

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

Is DeepSeek V4 Flash or Mistral Small better for coding?

DeepSeek V4 Flash scores higher on coding benchmarks: 47.9 versus 34.0 in the Noometry coding category.

Which has the bigger context window?

DeepSeek V4 Flash does, with 1M tokens against 262K.

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

25 benchmarks have published results for both models. DeepSeek V4 Flash has 41 scored results on Noometry and Mistral Small has 39.

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