Noometry

Model comparison

Grok 4.7 vs Mistral Small 3.1

Grok 4.7 is the stronger model overall, scoring 46.6 to 31.4 on the Noometry Index. Mistral Small 3.1 costs 7.5× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

Grok 4.7 xAI

46.6

Rank #56 Confirmed

Mistral Small 3.1 Mistral AI

31.4

Rank #263 Confirmed

Summary

  • They share 13 benchmarks with published results for both. Grok 4.7 scores higher in 8 categories and Mistral Small 3.1 in 1 category; 9 gaps are clear of the uncertainty.
  • The widest gap is in writing & preference, where Grok 4.7 leads 70.1 to 37.2.
  • Mistral Small 3.1 is cheaper at $0.35 / $0.56 per million input/output tokens, against $2 / $6 for Grok 4.7.
  • Grok 4.7 accepts more context: 500K tokens versus 128K.
  • Mistral Small 3.1 has downloadable open weights; the other is API-only.

Side by side

Grok 4.7Mistral Small 3.1
ProviderxAIMistral AI
Noometry Index46.631.4
Released2026-09-212025-03-17
WeightsProprietaryOpen
Context window500K128K
Max output500K102K
Input $ / M tokens$2$0.35
Output $ / M tokens$6$0.56
Results tracked2128

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Category by category

Coding Grok 4.7 leads

Grok 4.7: 55.0 (#23), Mistral Small 3.1: 37.7 (#175)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Coding14231309
CursorBench46.3%—
LMArena WebDev1636—
FrontierSWE29.5%—
SciCode57.4%—

Reasoning Grok 4.7 leads

Grok 4.7: 40.1 (#49), Mistral Small 3.1: 18.9 (#249)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Hard Prompts14091278
NYT Connections (extended)76.8%—
CritPt17.7%—
Chess Puzzles—1%
Epoch Capabilities Index—127.48

Math Grok 4.7 leads

Grok 4.7: 41.1 (#73), Mistral Small 3.1: 13.7 (#295)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Math13931261
OTIS Mock AIME 2024-2025—3.9%
ProofBench34%—
Omni-MATH—24.8%

Knowledge Grok 4.7 leads

Grok 4.7: 38.7 (#130), Mistral Small 3.1: 22.6 (#266)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Expert14131258
GPQA Diamond—41.9%
MMLU-Pro—61%
GPQA (HELM)—39.2%

Multimodal Mistral Small 3.1 leads

Grok 4.7: 28.8 (#107), Mistral Small 3.1: 32.6 (#93)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Vision—1136
Furniture Assembly20.8%—

Multilingual Grok 4.7 leads

Grok 4.7: 51.2 (#108), Mistral Small 3.1: 41.4 (#204)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Non-English13921255
LMArena Chinese14761254
LMArena Russian13961263
LMArena French—1270
LMArena German—1266
LMArena Japanese—1210
LMArena Korean—1206
LMArena Spanish—1283

Instruction Following Grok 4.7 leads

Grok 4.7: 74.3 (#98), Mistral Small 3.1: 63.8 (#225)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Instruction Following14061264
IFEval—75%

Long Context Grok 4.7 leads

Grok 4.7: 43.2 (#97), Mistral Small 3.1: 39.5 (#172)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Longer Query14161300

Writing & Preference Grok 4.7 leads

Grok 4.7: 70.1 (#23), Mistral Small 3.1: 37.2 (#254)

BenchmarkGrok 4.7Mistral Small 3.1
LMArena Text13971278
LMArena Creative Writing13911253
EQ-Bench Creative Writing2007761
LMArena Multi-Turn13891270
WildBench—78.8%

Frequently asked questions

Is Grok 4.7 better than Mistral Small 3.1?

Grok 4.7 is the stronger model overall, scoring 46.6 to 31.4 on the Noometry Index. Mistral Small 3.1 costs 7.5× less per token, which makes it the better buy when Grok 4.7's lead doesn't matter for your workload.

Which is cheaper, Grok 4.7 or Mistral Small 3.1?

Mistral Small 3.1 is cheaper. It lists at $0.35 per million input tokens and $0.56 per million output tokens; Grok 4.7 lists at $2 and $6.

Is Grok 4.7 or Mistral Small 3.1 better for coding?

Grok 4.7 scores higher on coding benchmarks: 55.0 versus 37.7 in the Noometry coding category.

Which has the bigger context window?

Grok 4.7 does, with 500K tokens against 128K.

How many benchmarks do Grok 4.7 and Mistral Small 3.1 share?

13 benchmarks have published results for both models. Grok 4.7 has 21 scored results on Noometry and Mistral Small 3.1 has 28.

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