# Mistral Medium 3.5 128B vs Qwen3.6 Plus

> Side-by-side benchmark comparison for Mistral Medium 3.5 128B and Qwen3.6 Plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mistral-medium-3-5-128b-vs-qwen3-6-plus
- Last updated: September 29, 2026

- Shared sourced benchmarks: 7
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick Qwen3.6 Plus 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

- Qwen3.6 Plus leads overall 54.44 to 36.09.
- The clearest category separation is in knowledge, where the averages are 33.6 for Mistral Medium 3.5 128B and 52.1 for Qwen3.6 Plus.
- The biggest single benchmark swing is GPQA Diamond (Vals) in Knowledge, with scores of 34.8% and 87.4%.
- Qwen3.6 Plus is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.6 Plus also has the larger context window at 1M.

## Model Snapshot

| Property | Mistral Medium 3.5 128B | Qwen3.6 Plus |
|----------|----------|----------|
| Creator | Mistral | Alibaba |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Overall Score | 36.09 | 54.44 |
| Benchmarks Covered | 7 | 48 |
| Pricing (input/output) | $1.50 / $7.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Qwen3.6 Plus
- Mistral Medium 3.5 128B public-lane score: 19.7 (Supported · #100/117)
- Qwen3.6 Plus public-lane score: 33.4 (Supported · #72/117)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | 91.4% | 70.7% | Mistral Medium 3.5 128B |
| Gert Labs | 39.10% | 50.60% | Qwen3.6 Plus |
| Terminal-Bench 2.1 (Vals) | 39.0% | 53.2% | Qwen3.6 Plus |
| Terminal-Bench 2.0 | Coming soon | 61.6% | Coming soon |
| Claw-Eval | Coming soon | 58.8% | Coming soon |
| QwenClawBench | Coming soon | 57.2% | Coming soon |
| VITA-Bench | Coming soon | 44.3% | Coming soon |
| DeepPlanning | Coming soon | 41.5% | Coming soon |
| Toolathlon | Coming soon | 39.8% | Coming soon |
| MCP Atlas | Coming soon | 48.2% | Coming soon |
| MCP-Tasks | Coming soon | 74.1% | Coming soon |
| WideResearch | Coming soon | 74.3% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |

### Coding

- Winner: Directional only
- Mistral Medium 3.5 128B public-lane score: 26.6 (Estimated · #102/143)
- Qwen3.6 Plus public-lane score: 42.5 (Supported · #57/143)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 77.6% | 78.8% | Qwen3.6 Plus |
| SWE-bench (Vals) | 66.4% | 73.4% | Qwen3.6 Plus |
| SWE-bench Pro | Coming soon | 56.6% | Coming soon |
| SWE Multilingual | Coming soon | 73.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 87.1% | Coming soon |
| Vibe Code Bench | Coming soon | 25.56% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 86.0% | Coming soon |

### Reasoning

- Winner: Not comparable
- Mistral Medium 3.5 128B public-lane score: 69.9 (Unranked · 2 rankable rows)
- Qwen3.6 Plus public-lane score: 61.3 (Unranked · 4 rankable rows)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| AI-Needle | Coming soon | 68.3% | Coming soon |
| LongBench v2 | Coming soon | 62% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Mistral Medium 3.5 128B public-lane score: 56.7 (Unranked · 1 rankable row)
- Qwen3.6 Plus public-lane score: 67.2 (#24/50)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 86.0% | Coming soon |
| MMMU-Pro | Coming soon | 78.8% | Coming soon |
| MathVision | Coming soon | 88.0% | Coming soon |
| VideoMMMU | Coming soon | 84.0% | Coming soon |
| ScreenSpot Pro | Coming soon | 68.2% | Coming soon |
| CharXiv | Coming soon | 81.5% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Qwen3.6 Plus
- Mistral Medium 3.5 128B public-lane score: 33.6 (Supported · #121/169)
- Qwen3.6 Plus public-lane score: 52.1 (Supported · #58/169)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 34.8% | 87.4% | Qwen3.6 Plus |
| MMLU-Pro (Vals) | 75.3% | 87.7% | Qwen3.6 Plus |
| GPQA | Coming soon | 90.4% | Coming soon |
| SuperGPQA | Coming soon | 71.6% | Coming soon |
| MMLU-Pro | Coming soon | 88.5% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 93.3% | Coming soon |
| HLE | Coming soon | 28.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- Mistral Medium 3.5 128B public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 69.7 (#4/12)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 57.9% | Coming soon |

### Instruction Following

- Winner: Directional only
- Mistral Medium 3.5 128B public-lane score: 82.6 (#48/124)
- Qwen3.6 Plus public-lane score: 82.5 (#50/124)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 94.3% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- Mistral Medium 3.5 128B public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 62 (#5/7)

| Benchmark | Mistral Medium 3.5 128B | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 95.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 96.7% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.6% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.8% | Coming soon |
| MMAnswerBench | Coming soon | 83.8% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 26.207% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 8.333% | Coming soon |

## FAQ

### Which is better overall, Mistral Medium 3.5 128B or Qwen3.6 Plus?

Qwen3.6 Plus is ahead overall on BenchLM right now.

### Where is the biggest gap between Mistral Medium 3.5 128B and Qwen3.6 Plus?

The widest category gap is in knowledge, where the averages are 33.6 for Mistral Medium 3.5 128B and 52.1 for Qwen3.6 Plus.

### 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.

### How many benchmarks does Qwen3.6 Plus cover on BenchLM?

Qwen3.6 Plus currently has 48 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Mistral Medium 3.5 128B vs GPT-6 Astra](/compare/gpt-6-astra-vs-mistral-medium-3-5-128b)
- [Qwen3.6 Plus vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-6-plus)
- [Mistral Medium 3.5 128B vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mistral-medium-3-5-128b)
- [Qwen3.6 Plus vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-6-plus)

## Explore More

- [Mistral Medium 3.5 128B profile](/models/mistral-medium-3-5-128b)
- [Qwen3.6 Plus profile](/models/qwen3-6-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)