# Gemini 3.1 Flash Lite vs Llama 3-8B

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 25.3 on the Noometry Index. Llama 3-8B costs 4.0× less per token, which makes it the better buy when Gemini 3.1 Flash Lite's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-llama-3-8b
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 8 categories and Llama 3-8B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.1 Flash Lite leads 41.7 to 7.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 80% for Gemini 3.1 Flash Lite and 1.9% for Llama 3-8B.
- Llama 3-8B is cheaper at $0.14 / $0.14 per million input/output tokens, against $0.25 / $1.50 for Gemini 3.1 Flash Lite.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 8K.
- Llama 3-8B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| Provider | Google | Meta |
| Noometry Index | 40.4 | 25.3 |
| Rank | 141 | 338 |
| Context | 1.05M | 8K |
| Input $/M | $0.25 | $0.14 |
| Output $/M | $1.50 | $0.14 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.5 (#179)
- Llama 3-8B: 30.5 (#285)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Coding | 1400 | 1152 |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| WeirdML | 52.2% | — |
| BigCodeBench Instruct | — | 31.9% |
| BigCodeBench Complete | — | 36.9% |
| ALE-Bench | 797.73 | — |
| HumanEval+ | — | 56.7% |
| MBPP+ | — | 54.8% |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 29.9 (#72)
- Llama 3-8B: —

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| DeepResearch Bench | 37.3% | — |

## Reasoning

- Gemini 3.1 Flash Lite: 22.3 (#181)
- Llama 3-8B: 13.8 (#321)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| Chess Puzzles | 25% | 0% |
| LMArena Hard Prompts | 1407 | 1133 |
| DTBench | 76.8% | 43.9% |
| Epoch Capabilities Index | 144.45 | 116.33 |
| ForecastBench | 54.4 | 58.6 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMCA | 35% | — |
| Adversarial NLI | — | 57.3% |
| WinoGrande | — | 75.7% |

## Math

- Gemini 3.1 Flash Lite: 39.5 (#82)
- Llama 3-8B: 8.3 (#317)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 1.9% |
| LMArena Math | 1427 | 1151 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| MATH Level 5 | — | 6.1% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.7 (#95)
- Llama 3-8B: 7.8 (#303)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| GPQA Diamond | 81.8% | 26.1% |
| LMArena Expert | 1397 | 1113 |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |
| ARC (AI2) Challenge | — | 82.8% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 82.6% |
| TriviaQA | — | 67.7% |

## Multimodal

- Gemini 3.1 Flash Lite: 38.7 (#57)
- Llama 3-8B: —

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.5 (#82)
- Llama 3-8B: 31.0 (#256)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Non-English | 1410 | 1098 |
| LMArena Chinese | 1461 | 1076 |
| LMArena French | 1423 | 1158 |
| LMArena German | 1429 | 1104 |
| LMArena Japanese | 1411 | 967 |
| LMArena Korean | 1393 | 1003 |
| LMArena Russian | 1420 | 1109 |
| LMArena Spanish | 1420 | 1172 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.9 (#126)
- Llama 3-8B: 58.7 (#255)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Instruction Following | 1376 | 1127 |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#117)
- Llama 3-8B: 34.2 (#246)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Longer Query | 1394 | 1128 |

## Writing & Preference

- Gemini 3.1 Flash Lite: 61.0 (#90)
- Llama 3-8B: 37.7 (#251)

| Benchmark | Gemini 3.1 Flash Lite | Llama 3-8B |
|---|---|---|
| LMArena Text | 1416 | 1166 |
| LMArena Creative Writing | 1401 | 1150 |
| LMArena Multi-Turn | 1417 | 1152 |

## FAQ

### Is Gemini 3.1 Flash Lite better than Llama 3-8B?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 25.3 on the Noometry Index. Llama 3-8B costs 4.0× less per token, which makes it the better buy when Gemini 3.1 Flash Lite's lead doesn't matter for your workload.

### Which is cheaper, Gemini 3.1 Flash Lite or Llama 3-8B?

Llama 3-8B is cheaper. It lists at $0.14 per million input tokens and $0.14 per million output tokens; Gemini 3.1 Flash Lite lists at $0.25 and $1.50.

### Is Gemini 3.1 Flash Lite or Llama 3-8B better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 30.5 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 8K.

### How many benchmarks do Gemini 3.1 Flash Lite and Llama 3-8B share?

23 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Llama 3-8B has 34.