# MiMo-V2.5-Pro vs Mistral Medium 3.5 128B

> Side-by-side benchmark comparison for MiMo-V2.5-Pro and Mistral Medium 3.5 128B across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mimo-v2-5-pro-vs-mistral-medium-3-5-128b
- Last updated: September 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick MiMo-V2.5-Pro if you want the stronger benchmark profile. Mistral Medium 3.5 128B only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MiMo-V2.5-Pro leads overall 62.85 to 30.13.
- The clearest category separation is in coding, where the averages are 55.4 for MiMo-V2.5-Pro and 36.9 for Mistral Medium 3.5 128B.
- The biggest single benchmark swing is GPQA Diamond (Vals) in Knowledge, with scores of 82.6% and 34.8%.
- MiMo-V2.5-Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- MiMo-V2.5-Pro also has the larger context window at 1M.

## Model Snapshot

| Property | MiMo-V2.5-Pro | Mistral Medium 3.5 128B |
|----------|----------|----------|
| Creator | Xiaomi | Mistral |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 62.85 | 30.13 |
| Benchmarks Covered | 13 | 7 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $1.50 / $7.50 |

## Category Breakdown

### Agentic

- Winner: MiMo-V2.5-Pro
- MiMo-V2.5-Pro public-lane score: 39.8 (Supported · #117/152)
- Mistral Medium 3.5 128B public-lane score: 21.9 (Supported · #150/152)

| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| Claw-Eval | 63.8% | Coming soon | Coming soon |
| τ³-bench results | 72.9% | 91.4% | Mistral Medium 3.5 128B |
| Terminal-Bench 2.0 | 68.4% | Coming soon | Coming soon |
| Gert Labs | 62.70% | 39.10% | MiMo-V2.5-Pro |
| Terminal-Bench 2.1 (Vals) | 57.3% | 39.0% | MiMo-V2.5-Pro |

### Coding

- Winner: Coming soon
- MiMo-V2.5-Pro public-lane score: 55.4 (Estimated · #40/151)
- Mistral Medium 3.5 128B public-lane score: 36.9 (Estimated · #127/151)

| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 57.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 68.4% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 81.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 74.0% | 66.4% | MiMo-V2.5-Pro |
| SWE-bench Verified | Coming soon | 77.6% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- MiMo-V2.5-Pro public-lane score: Coming soon
- Mistral Medium 3.5 128B public-lane score: 55.6 (Unranked · 1 rankable row)

### Reasoning

- Winner: Coming soon
- MiMo-V2.5-Pro public-lane score: 75.8 (Unranked · 2 rankable rows)
- Mistral Medium 3.5 128B public-lane score: 68.6 (Unranked · 2 rankable rows)

### Knowledge

- Winner: MiMo-V2.5-Pro
- MiMo-V2.5-Pro public-lane score: 54 (Supported · #59/183)
- Mistral Medium 3.5 128B public-lane score: 39 (Supported · #140/183)

| Benchmark | MiMo-V2.5-Pro | Mistral Medium 3.5 128B | Winner |
|-----------|-----------|-----------|--------|
| HLE | 48% | Coming soon | Coming soon |
| HLE w/o tools | 34% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 82.6% | 34.8% | MiMo-V2.5-Pro |
| MMLU-Pro (Vals) | 84.6% | 75.3% | MiMo-V2.5-Pro |

### Instruction Following

- Winner: Coming soon
- MiMo-V2.5-Pro public-lane score: 93.7 (#6/123)
- Mistral Medium 3.5 128B public-lane score: 84 (#48/123)

## FAQ

### Which is better overall, MiMo-V2.5-Pro or Mistral Medium 3.5 128B?

MiMo-V2.5-Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between MiMo-V2.5-Pro and Mistral Medium 3.5 128B?

The widest category gap is in coding, where the averages are 55.4 for MiMo-V2.5-Pro and 36.9 for Mistral Medium 3.5 128B.

### How many benchmarks does MiMo-V2.5-Pro cover on BenchLM?

MiMo-V2.5-Pro currently has 13 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

- [MiMo-V2.5-Pro vs MiMo-V2.5](/compare/mimo-v2-5-vs-mimo-v2-5-pro)
- [Mistral Medium 3.5 128B vs MiMo-V2.5](/compare/mimo-v2-5-vs-mistral-medium-3-5-128b)
- [MiMo-V2.5-Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mimo-v2-5-pro)
- [Mistral Medium 3.5 128B vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mistral-medium-3-5-128b)

## Explore More

- [MiMo-V2.5-Pro profile](/models/mimo-v2-5-pro)
- [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)