# Devstral Small 2505 vs Gemini 2.5 Flash-Lite

> Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 33.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-gemini-2-5-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Devstral Small 2505 scores higher in 1 category and Gemini 2.5 Flash-Lite in 1 category; one gap is clear of the uncertainty.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.10 / $0.40 for Gemini 2.5 Flash-Lite.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 128K.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Provider | Mistral AI | Google |
| Noometry Index | 33.9 | 36.4 |
| Rank | 228 | 208 |
| Context | 128K | 1.05M |
| Input $/M | $0.10 | $0.10 |
| Output $/M | $0.30 | $0.40 |
| Weights | Open | Proprietary |

## Coding

- Devstral Small 2505: 38.6 (#160)
- Gemini 2.5 Flash-Lite: 38.0 (#167)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| WeirdML | — | 35.2% |
| LMArena Coding | — | 1373 |
| ALE-Bench | — | 325.9 |

## Agentic & Tool Use

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 27.8 (#89)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 36.9% |

## Reasoning

- Devstral Small 2505: 19.1 (#243)
- Gemini 2.5 Flash-Lite: 21.5 (#196)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | 40.5% |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1377 |
| DTBench | — | 62.8% |
| LMCA | — | 18.1% |
| Epoch Capabilities Index | — | 133.93 |

## Math

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 35.5 (#144)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Omni-MATH | — | 48% |
| LMArena Math | — | 1373 |

## Knowledge

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 32.1 (#206)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| MMLU-Pro | — | 53.7% |
| Vectara Hallucination Rate | — | 3.3% |
| GPQA (HELM) | — | 30.9% |
| LMArena Expert | — | 1373 |

## Multimodal

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 28.6 (#109)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Vision | — | 1198 |
| VPCT | — | 30% |

## Multilingual

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 49.5 (#129)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Non-English | — | 1369 |
| LMArena Chinese | — | 1404 |
| LMArena French | — | 1388 |
| LMArena German | — | 1390 |
| LMArena Japanese | — | 1359 |
| LMArena Korean | — | 1358 |
| LMArena Russian | — | 1373 |
| LMArena Spanish | — | 1396 |

## Instruction Following

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 70.2 (#163)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| IFEval | — | 81% |
| LMArena Instruction Following | — | 1366 |

## Long Context

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 33.3 (#257)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Fiction.LiveBench | — | 47.2% |
| LMArena Longer Query | — | 1373 |

## Writing & Preference

- Devstral Small 2505: —
- Gemini 2.5 Flash-Lite: 57.0 (#130)

| Benchmark | Devstral Small 2505 | Gemini 2.5 Flash-Lite |
|---|---|---|
| LMArena Text | — | 1379 |
| LMArena Creative Writing | — | 1366 |
| WildBench | — | 81.8% |
| LMArena Multi-Turn | — | 1367 |

## FAQ

### Is Devstral Small 2505 better than Gemini 2.5 Flash-Lite?

Gemini 2.5 Flash-Lite is the stronger model overall, scoring 36.4 to 33.9 on the Noometry Index.

### Which is cheaper, Devstral Small 2505 or Gemini 2.5 Flash-Lite?

Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Gemini 2.5 Flash-Lite lists at $0.10 and $0.40.

### Is Devstral Small 2505 or Gemini 2.5 Flash-Lite better for coding?

They score almost the same on coding (38.6 vs 38.0); test both on your own repository before choosing.

### Which has the bigger context window?

Gemini 2.5 Flash-Lite does, with 1.05M tokens against 128K.

### How many benchmarks do Devstral Small 2505 and Gemini 2.5 Flash-Lite share?

1 benchmark has published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Gemini 2.5 Flash-Lite has 33.