Model comparison

DeepSeek-V3 vs Mistral Small 3

DeepSeek-V3 is the stronger model overall, scoring 39.2 to 30.9 on the Noometry Index. Mistral Small 3 costs 7.0× less per token, which makes it the better buy when DeepSeek-V3's lead doesn't matter for your workload.

Last verified . 23 shared benchmarks.

DeepSeek-V3 DeepSeek

39.2

Rank #157 Confirmed

Mistral Small 3 Mistral AI

30.9

Rank #268 Confirmed

Summary

  • They share 23 benchmarks with published results for both. DeepSeek-V3 scores higher in 7 categories and Mistral Small 3 in 1 category; 8 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where DeepSeek-V3 leads 57.6 to 32.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 37.8% for DeepSeek-V3 and 6.7% for Mistral Small 3.
  • Mistral Small 3 is cheaper at $0.05 / $0.08 per million input/output tokens, against $0.24 / $0.90 for DeepSeek-V3.
  • DeepSeek-V3 accepts more context: 164K tokens versus 33K.

Side by side

DeepSeek-V3 and Mistral Small 3 specifications
DeepSeek-V3Mistral Small 3
ProviderDeepSeekMistral AI
Noometry Index39.230.9
Released2024-12-262025-01-30
WeightsOpenOpen
Context window164K33K
Max output164K16K
Input $ / M tokens$0.24$0.05
Output $ / M tokens$0.90$0.08
Results tracked6024

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding DeepSeek-V3 leads

DeepSeek-V3: 41.9 (#99), Mistral Small 3: 36.0 (#203)

Coding benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
BigCodeBench Instruct50%45.3%
LMArena Coding13681246
BigCodeBench Complete62.2%50.4%
Aider Polyglot55.1%—
SciCode35.8%—
WeirdML36.1%—
LiveBench Coding70.9%—
HumanEval+86.6%—
MBPP+73%—

Agentic & Tool Use Not comparable

DeepSeek-V3: —, Mistral Small 3: —

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
METR Time Horizons49.6%—

Reasoning DeepSeek-V3 leads

DeepSeek-V3: 20.0 (#226), Mistral Small 3: 18.2 (#269)

Reasoning benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
LMArena Hard Prompts13651233
Epoch Capabilities Index135.95127.06
SimpleBench27.2%—
Kagi LLM Benchmark52.3%—
CritPt0%—
Chess Puzzles—0%
LiveBench Reasoning65.8%—
DTBench64.8%—
LiveBench Data Analysis60.9%—
LMCA15.5%—
BIG-Bench Hard87.5%—
ForecastBench59.1—
HellaSwag88.9%—
LiveBench66.9%—
PIQA84.7%—
WinoGrande85.2%—

Math DeepSeek-V3 leads

DeepSeek-V3: 30.4 (#208), Mistral Small 3: 15.3 (#290)

Math benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
OTIS Mock AIME 2024-202537.8%6.7%
LMArena Math13731240
Omni-MATH40.3%—
LiveBench Math73.5%—
MATH Level 575.5%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge DeepSeek-V3 leads

DeepSeek-V3: 37.5 (#147), Mistral Small 3: 25.0 (#258)

Knowledge benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
GPQA Diamond67.6%47.3%
Confabulations26.1%25.2%
LMArena Expert13521202
MMLU-Pro72.3%—
Vectara Hallucination Rate6.1%—
GPQA (HELM)53.8%—
ARC (AI2) Challenge95.3%—
MMLU87.2%—
TriviaQA82.9%—

Multilingual DeepSeek-V3 leads

DeepSeek-V3: 48.8 (#138), Mistral Small 3: 37.5 (#231)

Multilingual benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
LMArena Non-English13581198
LMArena Chinese13901204
LMArena French13861202
LMArena German13741211
LMArena Japanese13331111
LMArena Korean13211188
LMArena Russian13721216
LMArena Spanish1358—

Instruction Following DeepSeek-V3 leads

DeepSeek-V3: 73.0 (#125), Mistral Small 3: 63.9 (#224)

Instruction Following benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
LMArena Instruction Following13451214
LiveBench Instruction Following81.5%—
IFEval83.2%—

Long Context Mistral Small 3 leads

DeepSeek-V3: 34.0 (#248), Mistral Small 3: 37.8 (#206)

Long Context benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
LMArena Longer Query13531246
Fiction.LiveBench50%—

Writing & Preference DeepSeek-V3 leads

DeepSeek-V3: 57.6 (#124), Mistral Small 3: 32.4 (#275)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3Mistral Small 3
LMArena Text13751234
LMArena Creative Writing13641195
EQ-Bench Creative Writing1472707
LMArena Multi-Turn13891217
Short-Story Creative Writing77%—
WildBench83%—
LiveBench Language49.1%—

Frequently asked questions

Is DeepSeek-V3 better than Mistral Small 3?

DeepSeek-V3 is the stronger model overall, scoring 39.2 to 30.9 on the Noometry Index. Mistral Small 3 costs 7.0× less per token, which makes it the better buy when DeepSeek-V3's lead doesn't matter for your workload.

Which is cheaper, DeepSeek-V3 or Mistral Small 3?

Mistral Small 3 is cheaper. It lists at $0.05 per million input tokens and $0.08 per million output tokens; DeepSeek-V3 lists at $0.24 and $0.90.

Is DeepSeek-V3 or Mistral Small 3 better for coding?

DeepSeek-V3 scores higher on coding benchmarks: 41.9 versus 36.0 in the Noometry coding category.

Which has the bigger context window?

DeepSeek-V3 does, with 164K tokens against 33K.

How many benchmarks do DeepSeek-V3 and Mistral Small 3 share?

23 benchmarks have published results for both models. DeepSeek-V3 has 60 scored results on Noometry and Mistral Small 3 has 24.

Related comparisons

Go deeper