# Devstral Small 2505 vs Phi 3 Small 8k Instruct

> Devstral Small 2505 is the stronger model overall, scoring 34.3 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 27.9.

## Snapshot

| | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Mistral AI | Microsoft |
| Noometry Index | 34.3 | 29.3 |
| Rank | 233 | 314 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| LiveBench Coding | — | 20.3% |
| LMArena Coding | — | 1101 |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LiveBench Reasoning | — | 15.9% |
| LMArena Hard Prompts | — | 1100 |
| LiveBench Data Analysis | — | 30.3% |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Math | — | 17.6% |
| LMArena Math | — | 1151 |

## Knowledge

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | — | 1067 |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | — | 1058 |
| LMArena Chinese | — | 1061 |
| LMArena French | — | 1135 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |
| LMArena Russian | — | 1111 |
| LMArena Spanish | — | 1111 |

## Instruction Following

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Instruction Following | — | 47.2% |
| LMArena Instruction Following | — | 1087 |

## Long Context

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | — | 1088 |

## Writing & Preference

- Devstral Small 2505: —
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Devstral Small 2505 | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | — | 1110 |
| LMArena Creative Writing | — | 1083 |
| LMArena Multi-Turn | — | 1068 |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Devstral Small 2505 better than Phi 3 Small 8k Instruct?

Devstral Small 2505 is the stronger model overall, scoring 34.3 to 29.3 on the Noometry Index.

### Is Devstral Small 2505 or Phi 3 Small 8k Instruct better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 27.9 in the Noometry coding category.

### How many benchmarks do Devstral Small 2505 and Phi 3 Small 8k Instruct share?

0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Phi 3 Small 8k Instruct has 32.