# Hy4 preview vs MiMo-V2.6-Pro

> Side-by-side benchmark comparison for Hy4 preview and MiMo-V2.6-Pro across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy4-preview-vs-mimo-v2-6-pro
- Last updated: September 21, 2026

- Shared sourced benchmarks: 9
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick MiMo-V2.6-Pro if you want the stronger benchmark profile. Hy4 preview only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MiMo-V2.6-Pro leads overall 70 to 62.1.
- The biggest single benchmark swing is AutomationBench in Agentic, with scores of 32.1% and 53.1%.
- Hy4 preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Hy4 preview | MiMo-V2.6-Pro |
|----------|----------|----------|
| Creator | Tencent | Xiaomi |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 62.1 | null |
| Benchmarks Covered | 29 | 12 |
| Pricing (input/output) | $0.00 / $0.00 | $0.435 / $0.87 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Hy4 preview public-lane score: 57 (Estimated · #33/154)
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 89.9% | MiMo-V2.6-Pro |
| CyberGym | 78.4% | 94.0% | MiMo-V2.6-Pro |
| WideResearch | 83.9% | Coming soon | Coming soon |
| DRACO | 77.2% | Coming soon | Coming soon |
| MCP Atlas | 83.7% | Coming soon | Coming soon |
| Toolathlon-Verified | 74.1% | 76.9% | MiMo-V2.6-Pro |
| APEX-Agents | 37.1% | Coming soon | Coming soon |
| skillsBench | 62.9% | Coming soon | Coming soon |
| JobBench | 61.7% | 62.0% | MiMo-V2.6-Pro |
| Agents' Last Exam | 22.8% | 31.6% | MiMo-V2.6-Pro |
| AutomationBench | 32.1% | 53.1% | MiMo-V2.6-Pro |
| BankerToolBench | 78.6% | Coming soon | Coming soon |
| HLE w/ tools | 55.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 55.1% | Coming soon | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 34.90% | Coming soon |
| OSWorld-Verified | Coming soon | 82% | Coming soon |
| ExploitGym | Coming soon | 17.8% | Coming soon |

### Coding

- Winner: Coming soon
- Hy4 preview public-lane score: 64 (Supported · #14/156)
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 85.4% | 89.9% | MiMo-V2.6-Pro |
| SWE-bench Pro | 65.7% | Coming soon | Coming soon |
| SWE Multilingual | 82.9% | Coming soon | Coming soon |
| DeepSWE | 64.3% | 71.9% | MiMo-V2.6-Pro |
| NL2Repo | 58.9% | Coming soon | Coming soon |
| ProgramBench | 17.5% | 26.5% | MiMo-V2.6-Pro |
| PostTrain Bench | 35.6% | Coming soon | Coming soon |
| sweMarathon | 31.9% | Coming soon | Coming soon |

### Reasoning

- Winner: Coming soon
- Hy4 preview public-lane score: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| CritPt | 16.9% | Coming soon | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Hy4 preview public-lane score: 84.9 (Unranked · 1 rankable row)
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 66.2% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Hy4 preview public-lane score: 59.1 (Estimated · #40/186)
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.3% | Coming soon | Coming soon |
| GPQA-D | 92.3% | Coming soon | Coming soon |
| HLE | 55.4% | Coming soon | Coming soon |
| HLE w/o tools | 43.4% | Coming soon | Coming soon |

### Mathematics

- Winner: Coming soon
- Hy4 preview public-lane score: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon

| Benchmark | Hy4 preview | MiMo-V2.6-Pro | Winner |
|-----------|-----------|-----------|--------|
| Apex | 74.2% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Hy4 preview or MiMo-V2.6-Pro?

MiMo-V2.6-Pro is ahead overall on BenchLM right now.

### How many benchmarks does Hy4 preview cover on BenchLM?

Hy4 preview currently has 29 sourced benchmark scores on BenchLM.

### How many benchmarks does MiMo-V2.6-Pro cover on BenchLM?

MiMo-V2.6-Pro currently has 12 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Hy4 preview vs MiMo-V2.6-Flash](/compare/hy4-preview-vs-mimo-v2-6-flash)
- [MiMo-V2.6-Pro vs MiMo-V2.6-Flash](/compare/mimo-v2-6-flash-vs-mimo-v2-6-pro)
- [Hy4 preview vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-hy4-preview)
- [MiMo-V2.6-Pro vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mimo-v2-6-pro)

## Explore More

- [Hy4 preview profile](/models/hy4-preview)
- [MiMo-V2.6-Pro profile](/models/mimo-v2-6-pro)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)