# Mistral Small 3.1 vs Particle-1

> Side-by-side benchmark comparison for Mistral Small 3.1 and Particle-1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mistral-small-3-1-vs-particle-1
- Last updated: October 29, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Mistral Small 3.1 and Particle-1 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Particle-1 has the larger published context window at 1M.

## Model Snapshot

| Property | Mistral Small 3.1 | Particle-1 |
|----------|----------|----------|
| Creator | Mistral | Particle AI |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 7 | 5 |
| Pricing (input/output) | N/A | $0.25 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- Particle-1 public-lane score: Coming soon

| Benchmark | Mistral Small 3.1 | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 79.9% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: Coming soon
- Particle-1 public-lane score: Coming soon

| Benchmark | Mistral Small 3.1 | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| HumanEval | 88.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 79.9% | Coming soon |
| DeepSWE | Coming soon | 72.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: 40.3 (Unranked · 2 rankable rows)
- Particle-1 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: 19.6 (Unranked · 2 rankable rows)
- Particle-1 public-lane score: Coming soon

| Benchmark | Mistral Small 3.1 | Particle-1 | 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
- Particle-1 public-lane score: Coming soon

| Benchmark | Mistral Small 3.1 | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 80.6% | 86.1% | Particle-1 |
| MMLU-Pro | 66.8% | Coming soon | Coming soon |
| GPQA | 46.0% | Coming soon | Coming soon |
| SimpleQA | 10.4% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 90.4% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Mistral Small 3.1 public-lane score: 33.2 (#137/157)
- Particle-1 public-lane score: Coming soon

## FAQ

### Is there enough evidence to pick between Mistral Small 3.1 and Particle-1?

Not yet. The models share only 1 sourced benchmark row, 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 Gemini 4 Carbon](/compare/gemini-4-carbon-vs-mistral-small-3-1)
- [Particle-1 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-particle-1)
- [Mistral Small 3.1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mistral-small-3-1)
- [Particle-1 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-particle-1)

## Explore More

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