# Gemini 3.5 Flash vs Llama 4 Scout

> Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 27.4 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.

- Canonical page: https://noometry.com/compare/gemini-3-5-flash-vs-llama-4-scout
- Last updated: 2026-10-10
- Shared benchmarks: 29

## 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 62.7 to 9.2.
- 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.

## Snapshot

| | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| Provider | Google | Meta |
| Noometry Index | 54.1 | 27.4 |
| Rank | 29 | 323 |
| Context | 1.05M | 128K |
| Input $/M | $1.50 | $0.10 |
| Output $/M | $9 | $0.30 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.5 Flash: 49.1 (#46)
- Llama 4 Scout: 19.9 (#334)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| SciCode | 53.1% | 17% |
| LMArena Coding | 1492 | 1286 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| SWE-bench Verified (bash only) | — | 9.1% |
| LMArena WebDev | 1499 | — |
| WeirdML | 62.6% | — |
| BigCodeBench Complete | — | 43.1% |
| ALE-Bench | 911.02 | — |

## Agentic & Tool Use

- Gemini 3.5 Flash: 24.8 (#107)
- Llama 4 Scout: 24.4 (#109)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| APEX-Agents | 27.5% | — |
| Berkeley Function Calling Leaderboard | — | 28.1% |
| GBAEval | 6.7% | — |
| GDP.pdf | 14% | — |
| Vending-Bench 2 | 5,396 | — |

## Reasoning

- Gemini 3.5 Flash: 62.7 (#16)
- Llama 4 Scout: 9.2 (#339)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| ARC-AGI-2 | 72.1% | 0% |
| ARC-AGI-1 | 92.5% | 0.5% |
| CritPt | 13.1% | 0% |
| LMArena Hard Prompts | 1488 | 1266 |
| DTBench | 94.7% | 57.9% |
| LMCA | 47.1% | 12% |
| Epoch Capabilities Index | 154.55 | 129.64 |
| ForecastBench | 59 | 57.5 |
| SimpleBench | 76.7% | — |
| Kagi LLM Benchmark | — | 36.9% |
| NYT Connections (extended) | 92.6% | — |
| Chess Puzzles | 50% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| Mystery Game Puzzles | 32% | — |
| Surface Evolver Bench | 58.1% | — |

## Math

- Gemini 3.5 Flash: 60.5 (#30)
- Llama 4 Scout: 18.4 (#280)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 7.8% |
| LMArena Math | 1502 | 1286 |
| FrontierMath (Feb 2025 set) | 39% | 0% |
| FrontierMath (Tiers 1-3) | 62.8% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 76.3% | — |
| ProofBench | 31% | — |
| Omni-MATH | — | 37.3% |
| MATH Level 5 | — | 62.3% |
| FrontierMath Tier 4 (v1) | 14.6% | — |

## Knowledge

- Gemini 3.5 Flash: 66.3 (#10)
- Llama 4 Scout: 31.8 (#208)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| GPQA Diamond | 92.8% | 51.8% |
| LMArena Expert | 1493 | 1236 |
| SimpleQA Verified | 66.2% | — |
| MMLU-Pro | — | 74.2% |
| Vectara Hallucination Rate | — | 7.7% |
| GPQA (HELM) | — | 50.7% |

## Multimodal

- Gemini 3.5 Flash: 45.7 (#13)
- Llama 4 Scout: 31.6 (#98)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| LMArena Vision | 1311 | 1118 |
| Blueprint-Bench 2 | 33.6% | — |
| LMArena Document | 1463 | — |
| SpatialViz-Bench | — | 34.2% |

## Multilingual

- Gemini 3.5 Flash: 57.1 (#12)
- Llama 4 Scout: 41.3 (#207)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| LMArena Non-English | 1475 | 1253 |
| LMArena Chinese | 1525 | 1256 |
| LMArena French | 1490 | 1283 |
| LMArena German | 1500 | 1274 |
| LMArena Japanese | 1481 | 1209 |
| LMArena Korean | 1453 | 1207 |
| LMArena Russian | 1491 | 1263 |
| LMArena Spanish | 1478 | 1277 |

## Instruction Following

- Gemini 3.5 Flash: 77.2 (#29)
- Llama 4 Scout: 66.0 (#212)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| LMArena Instruction Following | 1466 | 1248 |
| IFEval | — | 81.8% |

## Long Context

- Gemini 3.5 Flash: 45.3 (#39)
- Llama 4 Scout: 27.5 (#289)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| LMArena Longer Query | 1481 | 1265 |
| Fiction.LiveBench | — | 36% |

## Writing & Preference

- Gemini 3.5 Flash: 65.5 (#46)
- Llama 4 Scout: 37.1 (#256)

| Benchmark | Gemini 3.5 Flash | Llama 4 Scout |
|---|---|---|
| LMArena Text | 1481 | 1279 |
| LMArena Creative Writing | 1467 | 1249 |
| LMArena Multi-Turn | 1482 | 1281 |
| EQ-Bench Creative Writing | — | 783 |
| WildBench | — | 78% |
| EQ-Bench 4 | 1087 | — |

## FAQ

### Is Gemini 3.5 Flash better than Llama 4 Scout?

Gemini 3.5 Flash is the stronger model overall, scoring 54.1 to 27.4 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: 49.1 versus 19.9 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.