# Mistral Small 3.1 vs o1

> Side-by-side benchmark comparison for Mistral Small 3.1 and o1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mistral-small-3-1-vs-o1
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Mistral Small 3.1 and o1 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- o1 has the larger published context window at 200K.

## Model Snapshot

| Property | Mistral Small 3.1 | o1 |
|----------|----------|----------|
| Creator | Mistral | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 200K |
| Independent public score (not head-to-head) | null | 38.58 |
| Benchmarks Covered | 7 | 4 |
| Pricing (input/output) | N/A | $15.00 / $60.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- o1 public-lane score: 27.6 (Estimated · #98/148)

| Benchmark | Mistral Small 3.1 | o1 | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 88.4% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- o1 public-lane score: 70.5 (Unranked · 2 rankable rows)

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: 18.8 (Unranked · 2 rankable rows)
- o1 public-lane score: Coming soon

| Benchmark | Mistral Small 3.1 | o1 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 64.0% | Coming soon | Coming soon |
| MMMU-Pro | 49.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- o1 public-lane score: 41.5 (Supported · #108/181)

| Benchmark | Mistral Small 3.1 | o1 | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 80.6% | 91.8% | o1 |
| MMLU-Pro | 66.8% | Coming soon | Coming soon |
| GPQA | 46.0% | 75.7% | o1 |
| SimpleQA | 10.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- o1 public-lane score: 86 (#44/128)

| Benchmark | Mistral Small 3.1 | o1 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 92.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- o1 public-lane score: 33.5 (Unranked · 1 rankable row)

| Benchmark | Mistral Small 3.1 | o1 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 14.737% | Coming soon |

## FAQ

### Is there enough evidence to pick between Mistral Small 3.1 and o1?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Mistral Small 3.1 vs o1-preview](/compare/mistral-small-3-1-vs-o1-preview)
- [o1 vs o1-preview](/compare/o1-vs-o1-preview)
- [Mistral Small 3.1 vs o1-pro](/compare/mistral-small-3-1-vs-o1-pro)
- [o1 vs o1-pro](/compare/o1-vs-o1-pro)

## Explore More

- [Mistral Small 3.1 profile](/models/mistral-small-3-1)
- [o1 profile](/models/o1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)