# Devstral Small 2505 vs Kimi K2 Thinking Turbo

> Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 33.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-kimi-k2-thinking-turbo
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Kimi K2 Thinking Turbo leads 31.4 to 19.1.

## Snapshot

| | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| Provider | Mistral AI | Moonshot AI |
| Noometry Index | 33.9 | 45.4 |
| Rank | 228 | 63 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.6 (#160)
- Kimi K2 Thinking Turbo: 38.1 (#166)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| LMArena WebDev | — | 1322 |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1454 |

## Reasoning

- Devstral Small 2505: 19.1 (#243)
- Kimi K2 Thinking Turbo: 31.4 (#72)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| Chess Puzzles | — | 20% |
| LMArena Hard Prompts | — | 1428 |

## Math

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 45.5 (#62)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 83.1% |
| LMArena Math | — | 1429 |

## Knowledge

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 50.9 (#64)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| GPQA Diamond | — | 84.2% |
| LMArena Expert | — | 1439 |

## Multilingual

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 51.6 (#104)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Non-English | — | 1398 |
| LMArena Chinese | — | 1457 |
| LMArena French | — | 1425 |
| LMArena German | — | 1390 |
| LMArena Japanese | — | 1356 |
| LMArena Korean | — | 1329 |
| LMArena Russian | — | 1390 |
| LMArena Spanish | — | 1407 |

## Instruction Following

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 74.2 (#103)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Instruction Following | — | 1403 |

## Long Context

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 43.2 (#99)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Longer Query | — | 1415 |

## Writing & Preference

- Devstral Small 2505: —
- Kimi K2 Thinking Turbo: 60.2 (#99)

| Benchmark | Devstral Small 2505 | Kimi K2 Thinking Turbo |
|---|---|---|
| LMArena Text | — | 1415 |
| LMArena Creative Writing | — | 1373 |
| LMArena Multi-Turn | — | 1414 |

## FAQ

### Is Devstral Small 2505 better than Kimi K2 Thinking Turbo?

Kimi K2 Thinking Turbo is the stronger model overall, scoring 45.4 to 33.9 on the Noometry Index.

### Is Devstral Small 2505 or Kimi K2 Thinking Turbo better for coding?

They score almost the same on coding (38.6 vs 38.1); test both on your own repository before choosing.

### How many benchmarks do Devstral Small 2505 and Kimi K2 Thinking Turbo share?

0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Kimi K2 Thinking Turbo has 21.