# Devstral Small 2505 vs Gemini 2.0 Flash (Feb 2025)

> Devstral Small 2505 and Gemini 2.0 Flash (Feb 2025) score almost the same on the Noometry Index (34.3 vs 35.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/devstral-small-vs-gemini-2-0-flash
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Devstral Small 2505 scores higher in 2 categories and Gemini 2.0 Flash (Feb 2025) in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 28.4.
- The biggest single-benchmark swing is SWE-bench Verified (bash only): 56.4% for Devstral Small 2505 and 13.5% for Gemini 2.0 Flash (Feb 2025).
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Mistral AI | Google |
| Noometry Index | 34.3 | 35.1 |
| Rank | 233 | 228 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Proprietary |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Gemini 2.0 Flash (Feb 2025): 28.4 (#315)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | 13.5% |
| Aider Polyglot | — | 38.2% |
| SciCode | 28.8% | — |
| WeirdML | — | 25.8% |
| BigCodeBench Instruct | — | 45.9% |
| LiveBench Coding | — | 63.4% |
| LMArena Coding | — | 1350 |
| BigCodeBench Complete | — | 59.9% |
| CadEval | — | 30% |

## Agentic & Tool Use

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 28.1 (#92)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| TheAgentCompany | — | 11.4% |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#318)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | 37.8% |
| ARC-AGI-2 | — | 1.3% |
| SimpleBench | — | 31.1% |
| CritPt | 0% | — |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| LMArena Hard Prompts | — | 1346 |
| DTBench | — | 63.2% |
| LiveBench Data Analysis | — | 69.4% |
| Epoch Capabilities Index | — | 135.36 |
| LiveBench | — | 66.9% |

## Math

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 37.9 (#146)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 57.8% |
| Omni-MATH | — | 45.9% |
| LiveBench Math | — | 75.8% |
| LMArena Math | — | 1352 |
| MATH Level 5 | — | 82.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 32.0 (#213)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | — | 64.1% |
| Humanity's Last Exam | — | 6.6% |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 12.4% |
| GPQA (HELM) | — | 55.6% |
| LMArena Expert | — | 1339 |
| MMLU | — | 79.7% |

## Multimodal

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 36.5 (#79)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | — | 1158 |
| GeoBench | — | 77% |

## Multilingual

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 47.4 (#149)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | — | 1342 |
| LMArena Chinese | — | 1373 |
| LMArena French | — | 1391 |
| LMArena German | — | 1353 |
| LMArena Japanese | — | 1294 |
| LMArena Korean | — | 1313 |
| LMArena Russian | — | 1351 |
| LMArena Spanish | — | 1363 |

## Instruction Following

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 74.4 (#97)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LiveBench Instruction Following | — | 85.8% |
| IFEval | — | 84.1% |
| LMArena Instruction Following | — | 1336 |

## Long Context

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 38.1 (#203)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Fiction.LiveBench | — | 61.1% |
| LMArena Longer Query | — | 1344 |

## Writing & Preference

- Devstral Small 2505: —
- Gemini 2.0 Flash (Feb 2025): 49.5 (#190)

| Benchmark | Devstral Small 2505 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | — | 1354 |
| LMArena Creative Writing | — | 1340 |
| Short-Story Creative Writing | — | 73.8% |
| EQ-Bench Creative Writing | — | 1128 |
| WildBench | — | 80% |
| LMArena Multi-Turn | — | 1350 |
| LiveBench Language | — | 51.3% |

## FAQ

### Is Devstral Small 2505 better than Gemini 2.0 Flash (Feb 2025)?

Devstral Small 2505 and Gemini 2.0 Flash (Feb 2025) score almost the same on the Noometry Index (34.3 vs 35.1), so choose on price, context window or the category you care about most.

### Is Devstral Small 2505 or Gemini 2.0 Flash (Feb 2025) better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 28.4 in the Noometry coding category.

### How many benchmarks do Devstral Small 2505 and Gemini 2.0 Flash (Feb 2025) share?

2 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.