# Gemini 2.5 Flash-Lite vs Mistral Medium

> Gemini 2.5 Flash-Lite and Mistral Medium score almost the same on the Noometry Index (37.0 vs 36.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-lite-vs-mistral-medium
- Last updated: 2026-10-11
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 3 categories and Mistral Medium in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.5 Flash-Lite leads 38.0 to 28.1.
- The biggest single-benchmark swing is Vectara Hallucination Rate: 3.3% for Gemini 2.5 Flash-Lite and 22.7% for Mistral Medium.
- Gemini 2.5 Flash-Lite is cheaper at $0.10 / $0.40 per million input/output tokens, against $1.50 / $7.50 for Mistral Medium.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 262K.
- Mistral Medium has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| Provider | Google | Mistral AI |
| Noometry Index | 37.0 | 36.3 |
| Rank | 211 | 218 |
| Context | 1.05M | 262K |
| Input $/M | $0.10 | $1.50 |
| Output $/M | $0.40 | $7.50 |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash-Lite: 38.5 (#173)
- Mistral Medium: 34.2 (#243)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| WeirdML | 35.2% | 43.7% |
| LMArena Coding | 1373 | 1434 |
| ALE-Bench | 325.9 | 763.98 |
| FrontierCode | — | 8% |
| SciCode | — | 40.2% |

## Agentic & Tool Use

- Gemini 2.5 Flash-Lite: 28.0 (#96)
- Mistral Medium: 28.3 (#90)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | 37.7% |

## Reasoning

- Gemini 2.5 Flash-Lite: 22.2 (#205)
- Mistral Medium: 24.0 (#167)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| Kagi LLM Benchmark | 40.5% | 50% |
| LMArena Hard Prompts | 1377 | 1426 |
| DTBench | 62.8% | 75.5% |
| LMCA | 18.1% | 26.1% |
| CritPt | — | 0% |
| Surface Evolver Bench | — | 26.9% |
| Epoch Capabilities Index | 133.94 | — |

## Math

- Gemini 2.5 Flash-Lite: 38.0 (#144)
- Mistral Medium: 28.1 (#245)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Math | 1373 | 1408 |
| OTIS Mock AIME 2024-2025 | — | 32.2% |
| ProofBench | — | 9% |
| Omni-MATH | 48% | — |
| MATH Level 5 | — | 81.6% |
| FrontierMath (Feb 2025 set) | — | 0.3% |

## Knowledge

- Gemini 2.5 Flash-Lite: 32.5 (#210)
- Mistral Medium: 25.0 (#265)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| Vectara Hallucination Rate | 3.3% | 22.7% |
| LMArena Expert | 1373 | 1408 |
| GPQA Diamond | — | 59.5% |
| Humanity's Last Exam | — | 4.5% |
| MMLU-Pro | 53.7% | — |
| GPQA (HELM) | 30.9% | — |

## Multimodal

- Gemini 2.5 Flash-Lite: 29.1 (#114)
- Mistral Medium: 35.3 (#88)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Vision | 1198 | 1172 |
| VPCT | 30% | — |

## Multilingual

- Gemini 2.5 Flash-Lite: 49.3 (#134)
- Mistral Medium: 52.1 (#91)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Non-English | 1369 | 1408 |
| LMArena Chinese | 1404 | 1447 |
| LMArena French | 1388 | 1459 |
| LMArena German | 1389 | 1432 |
| LMArena Japanese | 1359 | 1378 |
| LMArena Korean | 1360 | 1380 |
| LMArena Russian | 1373 | 1411 |
| LMArena Spanish | 1396 | 1433 |

## Instruction Following

- Gemini 2.5 Flash-Lite: 70.0 (#168)
- Mistral Medium: 73.7 (#116)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Instruction Following | 1367 | 1398 |
| IFEval | 81% | — |

## Long Context

- Gemini 2.5 Flash-Lite: 33.3 (#262)
- Mistral Medium: 42.9 (#114)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Longer Query | 1373 | 1406 |
| Fiction.LiveBench | 47.2% | — |

## Writing & Preference

- Gemini 2.5 Flash-Lite: 56.8 (#135)
- Mistral Medium: 60.0 (#103)

| Benchmark | Gemini 2.5 Flash-Lite | Mistral Medium |
|---|---|---|
| LMArena Text | 1379 | 1424 |
| LMArena Creative Writing | 1367 | 1391 |
| LMArena Multi-Turn | 1366 | 1418 |
| Short-Story Creative Writing | — | 77.3% |
| WildBench | 81.8% | — |

## FAQ

### Is Gemini 2.5 Flash-Lite better than Mistral Medium?

Gemini 2.5 Flash-Lite and Mistral Medium score almost the same on the Noometry Index (37.0 vs 36.3), so choose on price, context window or the category you care about most.

### Which is cheaper, Gemini 2.5 Flash-Lite or Mistral Medium?

Gemini 2.5 Flash-Lite is cheaper. It lists at $0.10 per million input tokens and $0.40 per million output tokens; Mistral Medium lists at $1.50 and $7.50.

### Is Gemini 2.5 Flash-Lite or Mistral Medium better for coding?

Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 34.2 in the Noometry coding category.

### Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 262K.

### How many benchmarks do Gemini 2.5 Flash-Lite and Mistral Medium share?

25 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Mistral Medium has 36.