Model comparison

Grok 4.6 vs Mixtral 8x7B

Grok 4.6 is the stronger model overall, scoring 56.9 to 27.1 on the Noometry Index. Mixtral 8x7B costs 4.3× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 20 shared benchmarks.

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Mixtral 8x7B Mistral AI

27.1

Rank #334 Confirmed

Summary

  • They share 20 benchmarks with published results for both. Grok 4.6 scores higher in 8 categories and Mixtral 8x7B in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.6 leads 63.3 to 11.0.
  • The biggest single-benchmark swing is GPQA Diamond: 94% for Grok 4.6 and 30.6% for Mixtral 8x7B.
  • Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 32K.
  • Mixtral 8x7B has downloadable open weights; the other is API-only.

Side by side

Grok 4.6 and Mixtral 8x7B specifications
Grok 4.6Mixtral 8x7B
ProviderxAIMistral AI
Noometry Index56.927.1
Released2026-08-122023-12-11
WeightsProprietaryOpen
Context window500K32K
Max output500K32K
Input $ / M tokens$2$0.70
Output $ / M tokens$6$0.70
Results tracked4938

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Category by category

Coding Grok 4.6 leads

Grok 4.6: 58.5 (#16), Mixtral 8x7B: 32.8 (#269)

Coding benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Coding14651126
DeepSWE67.5%—
FrontierCode48%—
CursorBench41.4%—
LMArena WebDev1617—
FrontierSWE25.3%—
SciCode56.5%—
WeirdML67.3%—
ALE-Bench1,508—
HumanEval+—39.6%
MBPP+—49.7%

Agentic & Tool Use Not comparable

Grok 4.6: 39.4 (#27), Mixtral 8x7B: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
APEX-Agents65.3%—
GDP.pdf17.2%—
Vending-Bench 29,047—

Reasoning Grok 4.6 leads

Grok 4.6: 61.4 (#20), Mixtral 8x7B: 18.2 (#285)

Reasoning benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Hard Prompts14471115
DTBench97.3%49.6%
Epoch Capabilities Index156.44118.47
ARC-AGI-267.1%—
SimpleBench75.9%—
NYT Connections (extended)80%—
ARC-AGI-187.5%—
CritPt19.7%—
Chess Puzzles40%—
EBR-Bench30.5%—
Mystery Game Puzzles34%—
LMCA48.5%—
Adversarial NLI—55.2%
ForecastBench—56.3
HellaSwag—86.7%
PIQA—83.6%
WinoGrande—77.2%

Math Grok 4.6 leads

Grok 4.6: 67.0 (#24), Mixtral 8x7B: 18.8 (#289)

Math benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Math14231147
FrontierMath (Tiers 1-3)66%—
FrontierMath Tier 431.7%—
OTIS Mock AIME 2024-202599.2%—
ProofBench51%—
Omni-MATH—10.5%
MATH Level 5—10%
GSM8K—74.4%

Knowledge Grok 4.6 leads

Grok 4.6: 63.3 (#20), Mixtral 8x7B: 11.0 (#301)

Knowledge benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
GPQA Diamond94%30.6%
LMArena Expert14671088
SimpleQA Verified49.3%—
MMLU-Pro—33.5%
GPQA (HELM)—29.6%
ARC (AI2) Challenge—87.3%
MMLU—70.6%
OpenBookQA—85.8%
TriviaQA—82.2%

Multimodal Not comparable

Grok 4.6: 43.6 (#23), Mixtral 8x7B: —

Multimodal benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Vision1263—
Blueprint-Bench 233.2%—
Furniture Assembly40%—
LMArena Document1452—

Multilingual Grok 4.6 leads

Grok 4.6: 53.0 (#74), Mixtral 8x7B: 29.6 (#266)

Multilingual benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Non-English14201077
LMArena Chinese14801055
LMArena French14611166
LMArena German14311114
LMArena Japanese1376931
LMArena Korean1397968
LMArena Russian14221090
LMArena Spanish14041111

Instruction Following Grok 4.6 leads

Grok 4.6: 75.4 (#63), Mixtral 8x7B: 51.0 (#297)

Instruction Following benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Instruction Following14311109
IFEval—57.5%

Long Context Grok 4.6 leads

Grok 4.6: 44.5 (#66), Mixtral 8x7B: 33.4 (#260)

Long Context benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Longer Query14541103

Writing & Preference Grok 4.6 leads

Grok 4.6: 62.3 (#80), Mixtral 8x7B: 34.2 (#270)

Writing & Preference benchmarks
BenchmarkGrok 4.6Mixtral 8x7B
LMArena Text14281132
LMArena Creative Writing14281109
LMArena Multi-Turn14251115
WildBench—67.3%

Frequently asked questions

Is Grok 4.6 better than Mixtral 8x7B?

Grok 4.6 is the stronger model overall, scoring 56.9 to 27.1 on the Noometry Index. Mixtral 8x7B costs 4.3× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, Grok 4.6 or Mixtral 8x7B?

Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Grok 4.6 lists at $2 and $6.

Is Grok 4.6 or Mixtral 8x7B better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 32.8 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 32K.

How many benchmarks do Grok 4.6 and Mixtral 8x7B share?

20 benchmarks have published results for both models. Grok 4.6 has 49 scored results on Noometry and Mixtral 8x7B has 38.

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