Noometry

Model comparison

Grok 4 vs Mixtral 8x22B

Grok 4 is the stronger model overall, scoring 48.1 to 27.1 on the Noometry Index.

Last verified . 27 shared benchmarks.

Grok 4 xAI

48.1

Rank #56 Confirmed

Mixtral 8x22B Mistral AI

27.1

Rank #333 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Grok 4 scores higher in 9 categories and Mixtral 8x22B in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4 leads 53.8 to 15.1.
  • The biggest single-benchmark swing is GPQA Diamond: 87% for Grok 4 and 34.1% for Mixtral 8x22B.
  • Mixtral 8x22B has downloadable open weights; the other is API-only.

Side by side

Grok 4Mixtral 8x22B
ProviderxAIMistral AI
Noometry Index48.127.1
Released2025-07-092024-04-17
WeightsProprietaryOpen
Context window—64K
Max output—64K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked4834

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Category by category

Coding Grok 4 leads

Grok 4: 50.3 (#46), Mixtral 8x22B: 24.2 (#329)

BenchmarkGrok 4Mixtral 8x22B
WeirdML45.7%3.2%
LMArena Coding14081166
Aider Polyglot79.6%—
BigCodeBench Instruct—40.6%
BigCodeBench Complete—50.2%
HumanEval+—72%
MBPP+—64.3%

Agentic & Tool Use Grok 4 leads

Grok 4: 32.3 (#68), Mixtral 8x22B: 23.1 (#127)

BenchmarkGrok 4Mixtral 8x22B
Cybench43%7.5%
Terminal-Bench27.2%—
Berkeley Function Calling Leaderboard63%—
GDPval21.1%—
DeepResearch Bench47.3%—
BALROG43.6%—
LMArena Search1142—
METR Time Horizons66.6%—

Reasoning Grok 4 leads

Grok 4: 36.7 (#65), Mixtral 8x22B: 19.9 (#248)

BenchmarkGrok 4Mixtral 8x22B
LMArena Hard Prompts14091150
Epoch Capabilities Index146.44122.03
ForecastBench60.956.3
ARC-AGI-216%—
SimpleBench60.5%—
Kagi LLM Benchmark73.6%—
ARC-AGI-166.7%—
Chess Puzzles28%—
DTBench—55.1%

Math Grok 4 leads

Grok 4: 48.4 (#64), Mixtral 8x22B: 22.9 (#275)

BenchmarkGrok 4Mixtral 8x22B
Omni-MATH60.3%16.3%
LMArena Math14221184
OTIS Mock AIME 2024-202584%—
MATH Level 5—24.2%
FrontierMath (Feb 2025 set)19.7%—
FrontierMath Tier 4 (v1)2.1%—

Knowledge Grok 4 leads

Grok 4: 53.8 (#55), Mixtral 8x22B: 15.1 (#293)

BenchmarkGrok 4Mixtral 8x22B
GPQA Diamond87%34.1%
MMLU-Pro85.1%46%
GPQA (HELM)72.7%33.4%
LMArena Expert14151113
Confabulations12.4%—
MMLU—77.8%

Multimodal Not comparable

Grok 4: 33.7 (#94), Mixtral 8x22B: —

BenchmarkGrok 4Mixtral 8x22B
LMArena Vision1210—
GeoBench45%—

Multilingual Grok 4 leads

Grok 4: 51.8 (#103), Mixtral 8x22B: 32.8 (#255)

BenchmarkGrok 4Mixtral 8x22B
LMArena Non-English14031128
LMArena Chinese14271116
LMArena French14181166
LMArena German14291141
LMArena Japanese13941037
LMArena Korean13771057
LMArena Russian14101158
LMArena Spanish14201151

Instruction Following Grok 4 leads

Grok 4: 79.2 (#5), Mixtral 8x22B: 57.7 (#266)

BenchmarkGrok 4Mixtral 8x22B
IFEval94.9%72.4%
LMArena Instruction Following13871147

Long Context Grok 4 leads

Grok 4: 63.1 (#4), Mixtral 8x22B: 34.7 (#247)

BenchmarkGrok 4Mixtral 8x22B
LMArena Longer Query14091144
Fiction.LiveBench94.4%—

Writing & Preference Grok 4 leads

Grok 4: 58.5 (#116), Mixtral 8x22B: 36.9 (#262)

BenchmarkGrok 4Mixtral 8x22B
LMArena Text14111162
LMArena Creative Writing13971141
WildBench79.7%71.1%
LMArena Multi-Turn14161130
Short-Story Creative Writing76.9%—

Frequently asked questions

Is Grok 4 better than Mixtral 8x22B?

Grok 4 is the stronger model overall, scoring 48.1 to 27.1 on the Noometry Index.

Is Grok 4 or Mixtral 8x22B better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 24.2 in the Noometry coding category.

How many benchmarks do Grok 4 and Mixtral 8x22B share?

27 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Mixtral 8x22B has 34.

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