Noometry

Model comparison

Amazon Nova Micro vs Mistral Small 3.1

Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 30.4 on the Noometry Index. Amazon Nova Micro costs 6.6× less per token, which makes it the better buy when Mistral Small 3.1's lead doesn't matter for your workload.

Last verified . 22 shared benchmarks.

Amazon Nova Micro Amazon

30.4

Rank #294 Confirmed

Mistral Small 3.1 Mistral AI

31.7

Rank #269 Confirmed

Summary

  • They share 22 benchmarks with published results for both. Amazon Nova Micro scores higher in 3 categories and Mistral Small 3.1 in 5 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in math, where Amazon Nova Micro leads 26.9 to 14.7.
  • The biggest single-benchmark swing is MMLU-Pro: 51.1% for Amazon Nova Micro and 61% for Mistral Small 3.1.
  • Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.35 / $0.56 for Mistral Small 3.1.
  • Mistral Small 3.1 has downloadable open weights; the other is API-only.

Side by side

Amazon Nova MicroMistral Small 3.1
ProviderAmazonMistral AI
Noometry Index30.431.7
Released2024-12-032025-03-17
WeightsProprietaryOpen
Context window128K128K
Max output10K102K
Input $ / M tokens$0.035$0.35
Output $ / M tokens$0.14$0.56
Results tracked3228

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Category by category

Coding Mistral Small 3.1 leads

Amazon Nova Micro: 30.5 (#295), Mistral Small 3.1: 38.3 (#179)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Coding12181309
LiveBench Coding20.2%—

Agentic & Tool Use Not comparable

Amazon Nova Micro: 22.1 (#132), Mistral Small 3.1: —

BenchmarkAmazon Nova MicroMistral Small 3.1
Berkeley Function Calling Leaderboard22.3%—

Reasoning Mistral Small 3.1 leads

Amazon Nova Micro: 17.4 (#294), Mistral Small 3.1: 19.7 (#254)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Hard Prompts11911278
Chess Puzzles—1%
LiveBench Reasoning25.1%—
LiveBench Data Analysis34%—
Epoch Capabilities Index—127.48
LiveBench29.6%—

Math Amazon Nova Micro leads

Amazon Nova Micro: 26.9 (#254), Mistral Small 3.1: 14.7 (#301)

BenchmarkAmazon Nova MicroMistral Small 3.1
Omni-MATH21.4%24.8%
LMArena Math12061262
OTIS Mock AIME 2024-2025—3.9%
LiveBench Math34.5%—

Knowledge Amazon Nova Micro leads

Amazon Nova Micro: 29.6 (#237), Mistral Small 3.1: 22.6 (#271)

BenchmarkAmazon Nova MicroMistral Small 3.1
MMLU-Pro51.1%61%
GPQA (HELM)38.3%39.2%
LMArena Expert11841257
GPQA Diamond—41.9%
Vectara Hallucination Rate5.5%—
MMLU70.8%—

Multimodal Not comparable

Amazon Nova Micro: —, Mistral Small 3.1: 33.2 (#99)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Vision—1136

Multilingual Mistral Small 3.1 leads

Amazon Nova Micro: 36.5 (#239), Mistral Small 3.1: 41.2 (#209)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Non-English11861255
LMArena Chinese12091253
LMArena French12381273
LMArena German11921266
LMArena Japanese11541208
LMArena Korean11501206
LMArena Russian11851263
LMArena Spanish12251283

Instruction Following Mistral Small 3.1 leads

Amazon Nova Micro: 56.3 (#272), Mistral Small 3.1: 63.6 (#230)

BenchmarkAmazon Nova MicroMistral Small 3.1
IFEval76%75%
LMArena Instruction Following11741264
LiveBench Instruction Following48%—

Long Context Mistral Small 3.1 leads

Amazon Nova Micro: 36.5 (#229), Mistral Small 3.1: 39.5 (#178)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Longer Query12051299

Writing & Preference Amazon Nova Micro leads

Amazon Nova Micro: 39.5 (#247), Mistral Small 3.1: 37.0 (#259)

BenchmarkAmazon Nova MicroMistral Small 3.1
LMArena Text12081277
LMArena Creative Writing11721253
WildBench74.3%78.8%
LMArena Multi-Turn11781270
EQ-Bench Creative Writing—761
LiveBench Language15.8%—

Frequently asked questions

Is Amazon Nova Micro better than Mistral Small 3.1?

Mistral Small 3.1 is the stronger model overall, scoring 31.7 to 30.4 on the Noometry Index. Amazon Nova Micro costs 6.6× less per token, which makes it the better buy when Mistral Small 3.1's lead doesn't matter for your workload.

Which is cheaper, Amazon Nova Micro or Mistral Small 3.1?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Mistral Small 3.1 lists at $0.35 and $0.56.

Is Amazon Nova Micro or Mistral Small 3.1 better for coding?

Mistral Small 3.1 scores higher on coding benchmarks: 38.3 versus 30.5 in the Noometry coding category.

Which has the bigger context window?

Both accept 128K tokens.

How many benchmarks do Amazon Nova Micro and Mistral Small 3.1 share?

22 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Mistral Small 3.1 has 28.

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