Model comparison

Gemini 3.5 Flash vs Llama 4 Scout

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 27.7 on the Noometry Index. Llama 4 Scout costs 22× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

Last verified . 29 shared benchmarks.

Gemini 3.5 Flash Google

54.2

Rank #32 Confirmed

Llama 4 Scout Meta

27.7

Rank #330 Confirmed

Summary

  • They share 29 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 10 categories and Llama 4 Scout in 0 categories; 9 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 9.1.
  • The biggest single-benchmark swing is ARC-AGI-1: 92.5% for Gemini 3.5 Flash and 0.5% for Llama 4 Scout.
  • Llama 4 Scout is cheaper at $0.10 / $0.30 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
  • Gemini 3.5 Flash accepts more context: 1.05M tokens versus 128K.
  • Llama 4 Scout has downloadable open weights; the other is API-only.

Side by side

Gemini 3.5 Flash and Llama 4 Scout specifications
Gemini 3.5 FlashLlama 4 Scout
ProviderGoogleMeta
Noometry Index54.227.7
Released2026-05-192025-04-05
WeightsProprietaryOpen
Context window1.05M128K
Max output66K4K
Input $ / M tokens$1.50$0.10
Output $ / M tokens$9$0.30
Results tracked5443

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Category by category

Coding Gemini 3.5 Flash leads

Gemini 3.5 Flash: 49.4 (#49), Llama 4 Scout: 20.2 (#339)

Coding benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
SciCode53.1%17%
LMArena Coding14921286
SWE-bench Verified79.3%—
DeepSWE37.4%—
SWE-bench Verified (bash only)—9.1%
LMArena WebDev1499—
WeirdML62.6%—
BigCodeBench Complete—43.1%
ALE-Bench911.02—

Agentic & Tool Use Too close to call

Gemini 3.5 Flash: 24.7 (#114), Llama 4 Scout: 24.6 (#119)

Agentic & Tool Use benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
APEX-Agents27.5%—
Berkeley Function Calling Leaderboard—28.1%
GBAEval6.7%—
GDP.pdf14%—
Vending-Bench 25,396—

Reasoning Gemini 3.5 Flash leads

Gemini 3.5 Flash: 62.8 (#18), Llama 4 Scout: 9.1 (#345)

Reasoning benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
ARC-AGI-272.1%0%
ARC-AGI-192.5%0.5%
CritPt13.1%0%
LMArena Hard Prompts14881266
DTBench94.7%57.9%
LMCA47.1%12%
Epoch Capabilities Index154.46129.64
ForecastBench5957.5
SimpleBench76.7%—
Kagi LLM Benchmark—36.9%
NYT Connections (extended)92.6%—
Chess Puzzles50%—
EnigmaEval25.4%—
EBR-Bench4.8%—
Mystery Game Puzzles32%—
Surface Evolver Bench58.1%—

Math Gemini 3.5 Flash leads

Gemini 3.5 Flash: 60.7 (#36), Llama 4 Scout: 19.6 (#286)

Knowledge Gemini 3.5 Flash leads

Gemini 3.5 Flash: 66.3 (#11), Llama 4 Scout: 31.9 (#217)

Knowledge benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
GPQA Diamond92.8%51.8%
LMArena Expert14951235
SimpleQA Verified66.2%—
MMLU-Pro—74.2%
Vectara Hallucination Rate—7.7%
GPQA (HELM)—50.7%

Multimodal Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.7 (#15), Llama 4 Scout: 32.2 (#102)

Multimodal benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
LMArena Vision13101118
Blueprint-Bench 233.6%—
LMArena Document1463—
SpatialViz-Bench—34.2%

Multilingual Gemini 3.5 Flash leads

Gemini 3.5 Flash: 57.0 (#13), Llama 4 Scout: 41.0 (#212)

Multilingual benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
LMArena Non-English14761252
LMArena Chinese15261255
LMArena French14901282
LMArena German14921272
LMArena Japanese14861206
LMArena Korean14511207
LMArena Russian14931263
LMArena Spanish14801278

Instruction Following Gemini 3.5 Flash leads

Gemini 3.5 Flash: 77.0 (#30), Llama 4 Scout: 65.8 (#217)

Instruction Following benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
LMArena Instruction Following14671248
IFEval—81.8%

Long Context Gemini 3.5 Flash leads

Gemini 3.5 Flash: 45.4 (#38), Llama 4 Scout: 27.5 (#294)

Long Context benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
LMArena Longer Query14821265
Fiction.LiveBench—36%

Writing & Preference Gemini 3.5 Flash leads

Gemini 3.5 Flash: 65.5 (#47), Llama 4 Scout: 37.0 (#261)

Writing & Preference benchmarks
BenchmarkGemini 3.5 FlashLlama 4 Scout
LMArena Text14821279
LMArena Creative Writing14701249
LMArena Multi-Turn14811280
EQ-Bench Creative Writing—783
WildBench—78%
EQ-Bench 41087—

Frequently asked questions

Is Gemini 3.5 Flash better than Llama 4 Scout?

Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 27.7 on the Noometry Index. Llama 4 Scout costs 22× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.

Which is cheaper, Gemini 3.5 Flash or Llama 4 Scout?

Llama 4 Scout is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.

Is Gemini 3.5 Flash or Llama 4 Scout better for coding?

Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 20.2 in the Noometry coding category.

Which has the bigger context window?

Gemini 3.5 Flash does, with 1.05M tokens against 128K.

How many benchmarks do Gemini 3.5 Flash and Llama 4 Scout share?

29 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Llama 4 Scout has 43.

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