# Amazon Nova Micro vs Devstral Small 2505

> Devstral Small 2505 is the stronger model overall, scoring 34.3 to 30.4 on the Noometry Index. Amazon Nova Micro costs 2.4× less per token, which makes it the better buy when Devstral Small 2505's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/amazon-nova-micro-vs-devstral-small
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 30.5.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 per million input/output tokens, against $0.10 / $0.30 for Devstral Small 2505.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| Provider | Amazon | Mistral AI |
| Noometry Index | 30.4 | 34.3 |
| Rank | 294 | 233 |
| Context | 128K | 128K |
| Input $/M | $0.035 | $0.10 |
| Output $/M | $0.14 | $0.30 |
| Weights | Proprietary | Open |

## Coding

- Amazon Nova Micro: 30.5 (#295)
- Devstral Small 2505: 38.9 (#166)

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| SWE-bench Verified (bash only) | — | 56.4% |
| SciCode | — | 28.8% |
| LiveBench Coding | 20.2% | — |
| LMArena Coding | 1218 | — |

## Agentic & Tool Use

- Amazon Nova Micro: 22.1 (#132)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |

## Reasoning

- Amazon Nova Micro: 17.4 (#294)
- Devstral Small 2505: 19.7 (#252)

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| Kagi LLM Benchmark | — | 37.7% |
| CritPt | — | 0% |
| LiveBench Reasoning | 25.1% | — |
| LMArena Hard Prompts | 1191 | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |

## Math

- Amazon Nova Micro: 26.9 (#254)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
| LMArena Math | 1206 | — |

## Knowledge

- Amazon Nova Micro: 29.6 (#237)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| LMArena Expert | 1184 | — |
| MMLU | 70.8% | — |

## Multilingual

- Amazon Nova Micro: 36.5 (#239)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| LMArena Non-English | 1186 | — |
| LMArena Chinese | 1209 | — |
| LMArena French | 1238 | — |
| LMArena German | 1192 | — |
| LMArena Japanese | 1154 | — |
| LMArena Korean | 1150 | — |
| LMArena Russian | 1185 | — |
| LMArena Spanish | 1225 | — |

## Instruction Following

- Amazon Nova Micro: 56.3 (#272)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
| LMArena Instruction Following | 1174 | — |

## Long Context

- Amazon Nova Micro: 36.5 (#229)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| LMArena Longer Query | 1205 | — |

## Writing & Preference

- Amazon Nova Micro: 39.5 (#247)
- Devstral Small 2505: —

| Benchmark | Amazon Nova Micro | Devstral Small 2505 |
|---|---|---|
| LMArena Text | 1208 | — |
| LMArena Creative Writing | 1172 | — |
| WildBench | 74.3% | — |
| LMArena Multi-Turn | 1178 | — |
| LiveBench Language | 15.8% | — |

## FAQ

### Is Amazon Nova Micro better than Devstral Small 2505?

Devstral Small 2505 is the stronger model overall, scoring 34.3 to 30.4 on the Noometry Index. Amazon Nova Micro costs 2.4× less per token, which makes it the better buy when Devstral Small 2505's lead doesn't matter for your workload.

### Which is cheaper, Amazon Nova Micro or Devstral Small 2505?

Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Devstral Small 2505 lists at $0.10 and $0.30.

### Is Amazon Nova Micro or Devstral Small 2505 better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 30.5 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do Amazon Nova Micro and Devstral Small 2505 share?

0 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Devstral Small 2505 has 4.