# Laguna M.1 vs Mistral Medium 3.5 128B

> Side-by-side benchmark comparison for Laguna M.1 and Mistral Medium 3.5 128B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/laguna-m-1-vs-mistral-medium-3-5-128b
- Last updated: September 10, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Mistral Medium 3.5 128B if you want the stronger benchmark profile. Laguna M.1 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Mistral Medium 3.5 128B leads overall 30.13 to 3.93.
- The clearest category separation is in knowledge, where the averages are 18.6 for Laguna M.1 and 39 for Mistral Medium 3.5 128B.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 57.6% and 66.4%.
- Laguna M.1 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Laguna M.1 | Mistral Medium 3.5 128B |
|----------|----------|----------|
| Creator | Poolside | Mistral |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 256K |
| Overall Score | 3.93 | 30.13 |
| Benchmarks Covered | 10 | 7 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $1.50 / $7.50 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Laguna M.1 public-lane score: 23.9 (Estimated · #147/152)
- Mistral Medium 3.5 128B public-lane score: 21.9 (Supported · #150/152)

| Benchmark | Laguna M.1 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 45.8% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 34.1% | 39.0% | Mistral Medium 3.5 128B |
| τ³-bench results | Coming soon | 91.4% | Coming soon |
| Gert Labs | Coming soon | 39.10% | Coming soon |

### Coding

- Winner: Coming soon
- Laguna M.1 public-lane score: 29.7 (Supported · #140/151)
- Mistral Medium 3.5 128B public-lane score: 36.9 (Estimated · #127/151)

| Benchmark | Laguna M.1 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 74.6% | 77.6% | Mistral Medium 3.5 128B |
| SWE Multilingual | 63.1% | Coming soon | Coming soon |
| SWE-bench Pro | 49.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 45.8% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 68.1% | Coming soon | Coming soon |
| SWE-bench (Vals) | 57.6% | 66.4% | Mistral Medium 3.5 128B |

### Multimodal & Grounded

- Winner: Coming soon
- Laguna M.1 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 55.6 (Unranked · 1 rankable row)

### Reasoning

- Winner: Coming soon
- Laguna M.1 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 68.6 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Coming soon
- Laguna M.1 public-lane score: 18.6 (Estimated · #182/183)
- Mistral Medium 3.5 128B public-lane score: 39 (Supported · #140/183)

| Benchmark | Laguna M.1 | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 27.0% | 34.8% | Mistral Medium 3.5 128B |
| MMLU-Pro (Vals) | 68.8% | 75.3% | Mistral Medium 3.5 128B |

### Instruction Following

- Winner: Coming soon
- Laguna M.1 public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 84 (#48/123)

## FAQ

### Which is better overall, Laguna M.1 or Mistral Medium 3.5 128B?

Mistral Medium 3.5 128B is ahead overall on BenchLM right now.

### Where is the biggest gap between Laguna M.1 and Mistral Medium 3.5 128B?

The widest category gap is in knowledge, where the averages are 18.6 for Laguna M.1 and 39 for Mistral Medium 3.5 128B.

### How many benchmarks does Laguna M.1 cover on BenchLM?

Laguna M.1 currently has 10 sourced benchmark scores on BenchLM.

### How many benchmarks does Mistral Medium 3.5 128B cover on BenchLM?

Mistral Medium 3.5 128B currently has 7 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Laguna M.1 vs Laguna XS.2](/compare/laguna-m-1-vs-laguna-xs-2)
- [Mistral Medium 3.5 128B vs Laguna XS.2](/compare/laguna-xs-2-vs-mistral-medium-3-5-128b)
- [Laguna M.1 vs Laguna S 2.1](/compare/laguna-m-1-vs-laguna-s-2-1)
- [Mistral Medium 3.5 128B vs Laguna S 2.1](/compare/laguna-s-2-1-vs-mistral-medium-3-5-128b)

## Explore More

- [Laguna M.1 profile](/models/laguna-m-1)
- [Mistral Medium 3.5 128B profile](/models/mistral-medium-3-5-128b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)