# Gemini 3.1 Flash Lite vs Mixtral 8x22B

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 26.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-mixtral-8x22b
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 9 categories and Mixtral 8x22B in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.1 Flash Lite leads 41.7 to 15.1.
- The biggest single-benchmark swing is WeirdML: 52.2% for Gemini 3.1 Flash Lite and 3.2% for Mixtral 8x22B.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $2 / $6 for Mixtral 8x22B.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 64K.
- Mixtral 8x22B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| Provider | Google | Mistral AI |
| Noometry Index | 40.4 | 26.7 |
| Rank | 141 | 330 |
| Context | 1.05M | 64K |
| Input $/M | $0.25 | $2 |
| Output $/M | $1.50 | $6 |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Flash Lite: 37.5 (#179)
- Mixtral 8x22B: 23.8 (#324)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| WeirdML | 52.2% | 3.2% |
| LMArena Coding | 1400 | 1166 |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| ALE-Bench | 797.73 | — |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 29.9 (#72)
- Mixtral 8x22B: 22.8 (#119)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| Cybench | — | 7.5% |
| DeepResearch Bench | 37.3% | — |

## Reasoning

- Gemini 3.1 Flash Lite: 22.3 (#181)
- Mixtral 8x22B: 19.1 (#246)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1407 | 1150 |
| DTBench | 76.8% | 55.1% |
| Epoch Capabilities Index | 144.45 | 122 |
| ForecastBench | 54.4 | 56.3 |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| CritPt | 1.1% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMCA | 35% | — |

## Math

- Gemini 3.1 Flash Lite: 39.5 (#82)
- Mixtral 8x22B: 21.2 (#271)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Math | 1427 | 1184 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
| Omni-MATH | — | 16.3% |
| MATH Level 5 | — | 24.2% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.7 (#95)
- Mixtral 8x22B: 15.1 (#288)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| GPQA Diamond | 81.8% | 34.1% |
| LMArena Expert | 1397 | 1113 |
| Humanity's Last Exam | 8.6% | — |
| MMLU-Pro | — | 46% |
| Vectara Hallucination Rate | 8.2% | — |
| GPQA (HELM) | — | 33.4% |
| MMLU | — | 77.8% |

## Multimodal

- Gemini 3.1 Flash Lite: 38.7 (#57)
- Mixtral 8x22B: —

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1240 | — |

## Multilingual

- Gemini 3.1 Flash Lite: 52.5 (#82)
- Mixtral 8x22B: 32.9 (#250)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1410 | 1128 |
| LMArena Chinese | 1461 | 1116 |
| LMArena French | 1423 | 1165 |
| LMArena German | 1429 | 1141 |
| LMArena Japanese | 1411 | 1037 |
| LMArena Korean | 1393 | 1056 |
| LMArena Russian | 1420 | 1158 |
| LMArena Spanish | 1420 | 1150 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.9 (#126)
- Mixtral 8x22B: 57.9 (#261)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Instruction Following | 1376 | 1147 |
| IFEval | — | 72.4% |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#117)
- Mixtral 8x22B: 34.6 (#242)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1394 | 1144 |

## Writing & Preference

- Gemini 3.1 Flash Lite: 61.0 (#90)
- Mixtral 8x22B: 37.1 (#257)

| Benchmark | Gemini 3.1 Flash Lite | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1416 | 1162 |
| LMArena Creative Writing | 1401 | 1141 |
| LMArena Multi-Turn | 1417 | 1130 |
| WildBench | — | 71.1% |

## FAQ

### Is Gemini 3.1 Flash Lite better than Mixtral 8x22B?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 26.7 on the Noometry Index.

### Which is cheaper, Gemini 3.1 Flash Lite or Mixtral 8x22B?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Mixtral 8x22B lists at $2 and $6.

### Is Gemini 3.1 Flash Lite or Mixtral 8x22B better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 23.8 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 64K.

### How many benchmarks do Gemini 3.1 Flash Lite and Mixtral 8x22B share?

22 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Mixtral 8x22B has 34.