# Devstral Small 2505 vs Granite 4.2 8B

> Granite 4.2 8B is the stronger model overall, scoring 40.5 to 34.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/devstral-small-vs-granite-4-2-8b
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Granite 4.2 8B leads 26.6 to 19.7.
- Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $0.10 / $0.30 for Devstral Small 2505.
- Granite 4.2 8B accepts more context: 131K tokens versus 128K.

## Snapshot

| | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| Provider | Mistral AI | IBM |
| Noometry Index | 34.3 | 40.5 |
| Rank | 233 | 148 |
| Context | 128K | 131K |
| Input $/M | $0.10 | $0.06 |
| Output $/M | $0.30 | $0.25 |
| Weights | Open | Open |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Granite 4.2 8B: 40.5 (#137)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1380 |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Granite 4.2 8B: 26.6 (#131)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1329 |

## Knowledge

- Devstral Small 2505: —
- Granite 4.2 8B: 38.4 (#145)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| LMArena Expert | — | 1384 |

## Multilingual

- Devstral Small 2505: —
- Granite 4.2 8B: 44.5 (#178)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| LMArena Non-English | — | 1302 |
| LMArena Chinese | — | 1366 |
| LMArena Russian | — | 1285 |

## Instruction Following

- Devstral Small 2505: —
- Granite 4.2 8B: 68.7 (#184)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| LMArena Instruction Following | — | 1301 |

## Long Context

- Devstral Small 2505: —
- Granite 4.2 8B: 40.3 (#159)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| LMArena Longer Query | — | 1324 |

## Writing & Preference

- Devstral Small 2505: —
- Granite 4.2 8B: 49.6 (#189)

| Benchmark | Devstral Small 2505 | Granite 4.2 8B |
|---|---|---|
| LMArena Text | — | 1320 |
| LMArena Creative Writing | — | 1236 |
| LMArena Multi-Turn | — | 1301 |

## FAQ

### Is Devstral Small 2505 better than Granite 4.2 8B?

Granite 4.2 8B is the stronger model overall, scoring 40.5 to 34.3 on the Noometry Index.

### Which is cheaper, Devstral Small 2505 or Granite 4.2 8B?

Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Devstral Small 2505 lists at $0.10 and $0.30.

### Is Devstral Small 2505 or Granite 4.2 8B better for coding?

Granite 4.2 8B scores higher on coding benchmarks: 40.5 versus 38.9 in the Noometry coding category.

### Which has the bigger context window?

Granite 4.2 8B does, with 131K tokens against 128K.

### How many benchmarks do Devstral Small 2505 and Granite 4.2 8B share?

0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Granite 4.2 8B has 11.