# Devstral Small 2505 vs Gemini 1.5 Pro (May 2024)

> Devstral Small 2505 is the stronger model overall, scoring 33.9 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-gemini-1-5-pro
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Devstral Small 2505 leads 19.1 to 12.3.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| Provider | Mistral AI | Google |
| Noometry Index | 33.9 | 31.9 |
| Rank | 228 | 253 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Proprietary |

## Coding

- Devstral Small 2505: 38.6 (#160)
- Gemini 1.5 Pro (May 2024): 33.8 (#239)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| WeirdML | — | 22.2% |
| BigCodeBench Instruct | — | 43.8% |
| LMArena Coding | — | 1294 |
| BigCodeBench Complete | — | 57.5% |
| CadEval | — | 34% |
| HumanEval+ | — | 79.3% |
| MBPP+ | — | 74.6% |

## Agentic & Tool Use

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 17.8 (#137)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| TheAgentCompany | — | 3.4% |
| Cybench | — | 7.5% |
| BALROG | — | 21% |

## Reasoning

- Devstral Small 2505: 19.1 (#243)
- Gemini 1.5 Pro (May 2024): 12.3 (#332)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 27.1% |
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1296 |
| DTBench | — | 59% |
| BIG-Bench Hard | — | 89.2% |
| Epoch Capabilities Index | — | 131.73 |
| ForecastBench | — | 58.4 |

## Math

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 24.4 (#260)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 23.1% |
| Omni-MATH | — | 36.4% |
| LMArena Math | — | 1315 |
| MATH Level 5 | — | 70.4% |

## Knowledge

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 29.3 (#228)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| GPQA Diamond | — | 57.2% |
| Humanity's Last Exam | — | 4.6% |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 13.5% |
| GPQA (HELM) | — | 53.4% |
| LMArena Expert | — | 1279 |
| MMLU | — | 86.9% |

## Multimodal

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 36.2 (#72)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| LMArena Vision | — | 1161 |
| Video-MME | — | 75% |

## Multilingual

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 45.5 (#169)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| LMArena Non-English | — | 1312 |
| LMArena Chinese | — | 1331 |
| LMArena French | — | 1301 |
| LMArena German | — | 1286 |
| LMArena Japanese | — | 1292 |
| LMArena Korean | — | 1298 |
| LMArena Russian | — | 1320 |
| LMArena Spanish | — | 1310 |

## Instruction Following

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 68.8 (#180)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| IFEval | — | 83.7% |
| LMArena Instruction Following | — | 1297 |

## Long Context

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 39.7 (#164)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| LMArena Longer Query | — | 1308 |

## Writing & Preference

- Devstral Small 2505: —
- Gemini 1.5 Pro (May 2024): 52.5 (#167)

| Benchmark | Devstral Small 2505 | Gemini 1.5 Pro (May 2024) |
|---|---|---|
| LMArena Text | — | 1319 |
| LMArena Creative Writing | — | 1333 |
| WildBench | — | 81.3% |
| LMArena Multi-Turn | — | 1296 |

## FAQ

### Is Devstral Small 2505 better than Gemini 1.5 Pro (May 2024)?

Devstral Small 2505 is the stronger model overall, scoring 33.9 to 31.9 on the Noometry Index.

### Is Devstral Small 2505 or Gemini 1.5 Pro (May 2024) better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.6 versus 33.8 in the Noometry coding category.

### How many benchmarks do Devstral Small 2505 and Gemini 1.5 Pro (May 2024) share?

0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Gemini 1.5 Pro (May 2024) has 45.