Noometry

Model comparison

Gemini 3 Flash Preview vs Mixtral 8x7B

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 27.1 on the Noometry Index. Mixtral 8x7B costs 1.6× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Last verified . 21 shared benchmarks.

Gemini 3 Flash Preview Google

52.3

Rank #40 Confirmed

Mixtral 8x7B Mistral AI

27.1

Rank #334 Confirmed

Summary

  • They share 21 benchmarks with published results for both. Gemini 3 Flash Preview 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 Gemini 3 Flash Preview leads 58.8 to 11.0.
  • The biggest single-benchmark swing is GPQA Diamond: 89.4% for Gemini 3 Flash Preview and 30.6% for Mixtral 8x7B.
  • Mixtral 8x7B is cheaper at $0.70 / $0.70 per million input/output tokens, against $0.50 / $3 for Gemini 3 Flash Preview.
  • Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 32K.
  • Mixtral 8x7B has downloadable open weights; the other is API-only.

Side by side

Gemini 3 Flash PreviewMixtral 8x7B
ProviderGoogleMistral AI
Noometry Index52.327.1
Released2025-12-172023-12-11
WeightsProprietaryOpen
Context window1.05M32K
Max output66K32K
Input $ / M tokens$0.50$0.70
Output $ / M tokens$3$0.70
Results tracked5938

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Category by category

Coding Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 50.9 (#42), Mixtral 8x7B: 32.8 (#269)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Coding14601126
SWE-bench Verified75.4%—
SWE-bench Verified (bash only)75.8%—
LMArena WebDev1439—
SWE-bench Multilingual72.7%—
GSO9.8%—
WeirdML61.6%—
ALE-Bench1,367—
HumanEval+—39.6%
MBPP+—49.7%

Agentic & Tool Use Not comparable

Gemini 3 Flash Preview: 38.7 (#29), Mixtral 8x7B: —

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
Terminal-Bench64.3%—
τ²-bench Airline82.5%—
τ²-bench Banking27.3%—
τ²-bench Retail76.8%—
τ²-bench Telecom91.2%—
DeepResearch Bench49.8%—
BALROG48.1%—
GDP.pdf10%—
LMArena Search1198—
Vending-Bench 23,635—

Reasoning Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 49.2 (#37), Mixtral 8x7B: 18.2 (#285)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Hard Prompts14651115
DTBench89.1%49.6%
Epoch Capabilities Index151.8118.47
ForecastBench58.556.3
ARC-AGI-233.6%—
SimpleBench61.1%—
NYT Connections (extended)83.1%—
ARC-AGI-184.7%—
Chess Puzzles40%—
Mystery Game Puzzles26%—
LMCA43.1%—
Adversarial NLI—55.2%
HellaSwag—86.7%
PIQA—83.6%
WinoGrande—77.2%

Math Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 51.7 (#55), Mixtral 8x7B: 18.8 (#289)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Math14731147
FrontierMath (Tiers 1-3)51.2%—
FrontierMath Tier 417.1%—
MathArena Final-Answer Competitions67.6%—
OTIS Mock AIME 2024-202595.6%—
ProofBench15%—
Omni-MATH—10.5%
MATH Level 5—10%
FrontierMath (Feb 2025 set)35.6%—
FrontierMath Tier 4 (v1)4.2%—
GSM8K—74.4%

Knowledge Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 58.8 (#33), Mixtral 8x7B: 11.0 (#301)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
GPQA Diamond89.4%30.6%
LMArena Expert14621088
SimpleQA Verified66.8%—
MMLU-Pro—33.5%
Vectara Hallucination Rate13.5%—
GPQA (HELM)—29.6%
ARC (AI2) Challenge—87.3%
MMLU—70.6%
OpenBookQA—85.8%
TriviaQA—82.2%

Multimodal Not comparable

Gemini 3 Flash Preview: 45.5 (#16), Mixtral 8x7B: —

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Vision1285—
GeoBench88%—
VPCT72.6%—
Blueprint-Bench 20%—
LMArena Document1413—

Multilingual Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 55.7 (#27), Mixtral 8x7B: 29.6 (#266)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Non-English14581077
LMArena Chinese15111055
LMArena French14771166
LMArena German14971114
LMArena Japanese1489931
LMArena Korean1443968
LMArena Russian14801090
LMArena Spanish14691111

Instruction Following Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 75.7 (#56), Mixtral 8x7B: 51.0 (#297)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Instruction Following14371109
IFEval—57.5%

Long Context Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 44.4 (#67), Mixtral 8x7B: 33.4 (#260)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Longer Query14521103

Writing & Preference Gemini 3 Flash Preview leads

Gemini 3 Flash Preview: 65.5 (#45), Mixtral 8x7B: 34.2 (#270)

BenchmarkGemini 3 Flash PreviewMixtral 8x7B
LMArena Text14661132
LMArena Creative Writing14571109
LMArena Multi-Turn14711115
WildBench—67.3%

Frequently asked questions

Is Gemini 3 Flash Preview better than Mixtral 8x7B?

Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 27.1 on the Noometry Index. Mixtral 8x7B costs 1.6× less per token, which makes it the better buy when Gemini 3 Flash Preview's lead doesn't matter for your workload.

Which is cheaper, Gemini 3 Flash Preview or Mixtral 8x7B?

Mixtral 8x7B is cheaper. It lists at $0.70 per million input tokens and $0.70 per million output tokens; Gemini 3 Flash Preview lists at $0.50 and $3.

Is Gemini 3 Flash Preview or Mixtral 8x7B better for coding?

Gemini 3 Flash Preview scores higher on coding benchmarks: 50.9 versus 32.8 in the Noometry coding category.

Which has the bigger context window?

Gemini 3 Flash Preview does, with 1.05M tokens against 32K.

How many benchmarks do Gemini 3 Flash Preview and Mixtral 8x7B share?

21 benchmarks have published results for both models. Gemini 3 Flash Preview has 59 scored results on Noometry and Mixtral 8x7B has 38.

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