# Devstral Small 2505 vs Grok Build 0.1

> Grok Build 0.1 is the stronger model overall, scoring 36.4 to 34.3 on the Noometry Index. Devstral Small 2505 costs 8.3× less per token, which makes it the better buy when Grok Build 0.1's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/devstral-small-vs-grok-build-0-1
- Last updated: 2026-10-11
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Devstral Small 2505 scores higher in 0 categories and Grok Build 0.1 in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok Build 0.1 leads 32.2 to 19.7.
- The biggest single-benchmark swing is SciCode: 28.8% for Devstral Small 2505 and 50.2% for Grok Build 0.1.
- Devstral Small 2505 is cheaper at $0.10 / $0.30 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Grok Build 0.1 accepts more context: 256K tokens versus 128K.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral Small 2505 | Grok Build 0.1 |
|---|---|---|
| Provider | Mistral AI | xAI |
| Noometry Index | 34.3 | 36.4 |
| Rank | 233 | 216 |
| Context | 128K | 256K |
| Input $/M | $0.10 | $1 |
| Output $/M | $0.30 | $2 |
| Weights | Open | Proprietary |

## Coding

- Devstral Small 2505: 38.9 (#166)
- Grok Build 0.1: 43.1 (#91)

| Benchmark | Devstral Small 2505 | Grok Build 0.1 |
|---|---|---|
| SciCode | 28.8% | 50.2% |
| SWE-bench Verified (bash only) | 56.4% | — |

## Agentic & Tool Use

- Devstral Small 2505: —
- Grok Build 0.1: 22.7 (#129)

| Benchmark | Devstral Small 2505 | Grok Build 0.1 |
|---|---|---|
| GBAEval | — | 2.4% |

## Reasoning

- Devstral Small 2505: 19.7 (#252)
- Grok Build 0.1: 32.2 (#77)

| Benchmark | Devstral Small 2505 | Grok Build 0.1 |
|---|---|---|
| CritPt | 0% | 9.1% |
| Kagi LLM Benchmark | 37.7% | — |

## FAQ

### Is Devstral Small 2505 better than Grok Build 0.1?

Grok Build 0.1 is the stronger model overall, scoring 36.4 to 34.3 on the Noometry Index. Devstral Small 2505 costs 8.3× less per token, which makes it the better buy when Grok Build 0.1's lead doesn't matter for your workload.

### Which is cheaper, Devstral Small 2505 or Grok Build 0.1?

Devstral Small 2505 is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Grok Build 0.1 lists at $1 and $2.

### Is Devstral Small 2505 or Grok Build 0.1 better for coding?

Grok Build 0.1 scores higher on coding benchmarks: 43.1 versus 38.9 in the Noometry coding category.

### Which has the bigger context window?

Grok Build 0.1 does, with 256K tokens against 128K.

### How many benchmarks do Devstral Small 2505 and Grok Build 0.1 share?

2 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Grok Build 0.1 has 3.