# Devstral Small 2505 vs Qwen3-30B-A3B

> Qwen3-30B-A3B is the stronger model overall, scoring 38.9 to 34.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-qwen3-30b-a3b
- Last updated: 2026-10-10
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Devstral Small 2505 scores higher in 1 category and Qwen3-30B-A3B in 1 category; 2 gaps are clear of the uncertainty.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 37.7% for Devstral Small 2505 and 54.9% for Qwen3-30B-A3B.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $0.12 / $0.50 for Qwen3-30B-A3B.
- Devstral Small 2505 accepts more context: 128K tokens versus 41K.

## Snapshot

| | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| Provider | Mistral AI | Alibaba (Qwen) |
| Noometry Index | 34.3 | 38.9 |
| Rank | 233 | 179 |
| Context | 128K | 41K |
| Input $/M | $0.10 | $0.12 |
| Output $/M | $0.30 | $0.50 |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Qwen3-30B-A3B: 37.5 (#194)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| SciCode | 28.8% | 33.3% |
| SWE-bench Verified (bash only) | 56.4% | — |
| WeirdML | — | 29.8% |
| LMArena Coding | — | 1416 |

## Agentic & Tool Use

- Devstral Small 2505: —
- Qwen3-30B-A3B: 29.8 (#82)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 41.4% |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Qwen3-30B-A3B: 22.2 (#204)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | 54.9% |
| CritPt | 0% | 0.3% |
| Chess Puzzles | — | 8% |
| LMArena Hard Prompts | — | 1398 |
| DTBench | — | 69.3% |
| LMCA | — | 22.4% |
| Epoch Capabilities Index | — | 139.63 |

## Math

- Devstral Small 2505: —
- Qwen3-30B-A3B: 37.4 (#157)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 47.8% |
| OTIS Mock AIME 2024-2025 | — | 70.3% |
| LMArena Math | — | 1394 |

## Knowledge

- Devstral Small 2505: —
- Qwen3-30B-A3B: 41.8 (#105)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| GPQA Diamond | — | 70.1% |
| Confabulations | — | 12.3% |
| LMArena Expert | — | 1396 |

## Multilingual

- Devstral Small 2505: —
- Qwen3-30B-A3B: 49.5 (#132)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| LMArena Non-English | — | 1372 |
| LMArena Chinese | — | 1433 |
| LMArena French | — | 1418 |
| LMArena German | — | 1380 |
| LMArena Japanese | — | 1337 |
| LMArena Korean | — | 1331 |
| LMArena Russian | — | 1370 |
| LMArena Spanish | — | 1404 |

## Instruction Following

- Devstral Small 2505: —
- Qwen3-30B-A3B: 72.0 (#142)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| LMArena Instruction Following | — | 1363 |

## Long Context

- Devstral Small 2505: —
- Qwen3-30B-A3B: 31.0 (#283)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| Fiction.LiveBench | — | 40.6% |
| LMArena Longer Query | — | 1379 |

## Writing & Preference

- Devstral Small 2505: —
- Qwen3-30B-A3B: 55.6 (#143)

| Benchmark | Devstral Small 2505 | Qwen3-30B-A3B |
|---|---|---|
| LMArena Text | — | 1384 |
| LMArena Creative Writing | — | 1317 |
| Short-Story Creative Writing | — | 75.3% |
| LMArena Multi-Turn | — | 1378 |

## FAQ

### Is Devstral Small 2505 better than Qwen3-30B-A3B?

Qwen3-30B-A3B is the stronger model overall, scoring 38.9 to 34.3 on the Noometry Index.

### Which is cheaper, Devstral Small 2505 or Qwen3-30B-A3B?

Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Qwen3-30B-A3B lists at $0.12 and $0.50.

### Is Devstral Small 2505 or Qwen3-30B-A3B better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 37.5 in the Noometry coding category.

### Which has the bigger context window?

Devstral Small 2505 does, with 128K tokens against 41K.

### How many benchmarks do Devstral Small 2505 and Qwen3-30B-A3B share?

3 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Qwen3-30B-A3B has 32.