# MiMo-V2.6-Pro vs Step 5 Preview

> Side-by-side benchmark comparison for MiMo-V2.6-Pro and Step 5 Preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/mimo-v2-6-pro-vs-step-5-preview
- Last updated: September 21, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick Step 5 Preview if you want the stronger benchmark profile. MiMo-V2.6-Pro only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Step 5 Preview leads overall 72 to 70.
- The biggest single benchmark swing is ProgramBench in Coding, with scores of 26.5% and 80.5%.
- MiMo-V2.6-Pro is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | MiMo-V2.6-Pro | Step 5 Preview |
|----------|----------|----------|
| Creator | Xiaomi | StepFun |
| Type | Open Weight | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | null | null |
| Benchmarks Covered | 12 | 22 |
| Pricing (input/output) | $0.435 / $0.87 | $1.00 / $2.70 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon
- Step 5 Preview public-lane score: Coming soon

| Benchmark | MiMo-V2.6-Pro | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| Toolathlon-Verified | 76.9% | 74.1% | MiMo-V2.6-Pro |
| AutomationBench | 53.1% | 44.0% | MiMo-V2.6-Pro |
| Agents' Last Exam | 31.6% | 29.5% | MiMo-V2.6-Pro |
| Terminal-Bench 4.0 | 34.90% | 33.30% | MiMo-V2.6-Pro |
| Terminal-Bench 2.1 | 89.9% | 85.0% | MiMo-V2.6-Pro |
| OSWorld-Verified | 82% | Coming soon | Coming soon |
| JobBench | 62.0% | 59.0% | MiMo-V2.6-Pro |
| CyberGym | 94.0% | 84.7% | MiMo-V2.6-Pro |
| ExploitGym | 17.8% | Coming soon | Coming soon |
| MCP Atlas | Coming soon | 85.6% | Coming soon |
| APEX-Agents | Coming soon | 37.8% | Coming soon |
| DRACO | Coming soon | 83.3% | Coming soon |
| BrowseComp | Coming soon | 88.7% | Coming soon |

### Coding

- Winner: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon
- Step 5 Preview public-lane score: Coming soon

| Benchmark | MiMo-V2.6-Pro | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 71.9% | 67.7% | MiMo-V2.6-Pro |
| ProgramBench | 26.5% | 80.5% | Step 5 Preview |
| Terminal-Bench 2.1 | 89.9% | 85.0% | MiMo-V2.6-Pro |
| SciCode | Coming soon | 58.9% | Coming soon |
| sweMarathon | Coming soon | 72.7% | Coming soon |
| MLS-Bench Lite | Coming soon | 40.5% | Coming soon |

### Reasoning

- Winner: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon
- Step 5 Preview public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | MiMo-V2.6-Pro | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 20.9% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon
- Step 5 Preview public-lane score: 61.2 (#28/49)

| Benchmark | MiMo-V2.6-Pro | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | Coming soon | 60.3% | Coming soon |
| MMMU-Pro | Coming soon | 76% | Coming soon |

### Knowledge

- Winner: Coming soon
- MiMo-V2.6-Pro public-lane score: Coming soon
- Step 5 Preview public-lane score: Coming soon

| Benchmark | MiMo-V2.6-Pro | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 93.5% | Coming soon |
| HLE | Coming soon | 46.5% | Coming soon |

## FAQ

### Which is better overall, MiMo-V2.6-Pro or Step 5 Preview?

Step 5 Preview is ahead overall on BenchLM right now.

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

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

### How many benchmarks does Step 5 Preview cover on BenchLM?

Step 5 Preview currently has 22 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

- [MiMo-V2.6-Pro profile](/models/mimo-v2-6-pro)
- [Step 5 Preview profile](/models/step-5-preview)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)