# Devstral Small vs o4-mini

> Side-by-side benchmark comparison for Devstral Small and o4-mini across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/devstral-small-vs-o4-mini
- Last updated: October 14, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Devstral Small and o4-mini.

## Summary

- Devstral Small and o4-mini do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Devstral Small | o4-mini |
|----------|----------|----------|
| Creator | Mistral | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 200K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 1 | 7 |
| Pricing (input/output) | N/A | $1.10 / $4.40 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Devstral Small public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | Devstral Small | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 46.8% | Coming soon | Coming soon |
| HumanEval | Coming soon | 97.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Devstral Small public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | Devstral Small | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| DROP | Coming soon | 77.7% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Devstral Small public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | Devstral Small | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| MMLU | Coming soon | 90% | Coming soon |
| GPQA | Coming soon | 77.6% | Coming soon |
| SimpleQA | Coming soon | 20.2% | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Devstral Small public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | Devstral Small | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| MGSM | Coming soon | 93.7% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Devstral Small public-lane score: Coming soon
- o4-mini public-lane score: Coming soon

| Benchmark | Devstral Small | o4-mini | Winner |
|-----------|-----------|-----------|--------|
| MATH-500 | Coming soon | 97.5% | Coming soon |

## FAQ

### Can I compare Devstral Small and o4-mini on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Devstral Small vs o4-mini (high)](/compare/devstral-small-vs-o4-mini-high)
- [o4-mini vs o4-mini (high)](/compare/o4-mini-vs-o4-mini-high)
- [Devstral Small vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-devstral-small)
- [o4-mini vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-o4-mini)

## Explore More

- [Devstral Small profile](/models/devstral-small)
- [o4-mini profile](/models/o4-mini)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)