# Muse Wonder vs Step 5 Preview

> Side-by-side benchmark comparison for Muse Wonder and Step 5 Preview across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/muse-wonder-vs-step-5-preview
- Last updated: October 12, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Muse Wonder leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Muse Wonder has the higher overall point estimate 70.44 to 68.81. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 69.8 for Muse Wonder and 60.8 for Step 5 Preview.
- The biggest single benchmark swing is ProgramBench in Coding, with scores of 50.0% and 80.5%.
- Step 5 Preview is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.

## Model Snapshot

| Property | Muse Wonder | Step 5 Preview |
|----------|----------|----------|
| Creator | Meta | StepFun |
| Type | Proprietary | Pending |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 70.44 | 68.81 |
| Benchmarks Covered | 6 | 22 |
| Pricing (input/output) | $4.00 / $20.00 | $1.00 / $2.70 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Muse Wonder public-lane score: Coming soon
- Step 5 Preview public-lane score: 63.9 (Estimated · #17/123)

| Benchmark | Muse Wonder | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 70.5% | 59.0% | Muse Wonder |
| Finance Agent v2 | 56.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 85.0% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 33.30% | Coming soon |
| CyberGym | Coming soon | 84.7% | Coming soon |
| AutomationBench | Coming soon | 44.0% | Coming soon |
| Toolathlon-Verified | Coming soon | 74.1% | 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 |
| Agents' Last Exam | Coming soon | 29.5% | Coming soon |

### Coding

- Winner: Directional only
- Muse Wonder public-lane score: 69.8 (Supported · #10/148)
- Step 5 Preview public-lane score: 60.8 (Estimated · #19/148)

| Benchmark | Muse Wonder | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 78.8% | 67.7% | Muse Wonder |
| ProgramBench | 50.0% | 80.5% | Step 5 Preview |
| sweMarathon | 53.1% | 72.7% | Step 5 Preview |
| Terminal-Bench 2.1 | Coming soon | 85.0% | Coming soon |
| SciCode | Coming soon | 58.9% | Coming soon |
| MLS-Bench Lite | Coming soon | 40.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Muse Wonder public-lane score: 81.3 (Unranked · 2 rankable rows)
- Step 5 Preview public-lane score: 83.4 (Unranked · 2 rankable rows)

| Benchmark | Muse Wonder | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 20.9% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- Muse Wonder public-lane score: Coming soon
- Step 5 Preview public-lane score: 74.6 (#24/54)

| Benchmark | Muse Wonder | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | Coming soon | 60.3% | Coming soon |
| MMMU-Pro | Coming soon | 76% | Coming soon |

### Knowledge

- Winner: Muse Wonder
- Muse Wonder public-lane score: 74 (Supported · #12/180)
- Step 5 Preview public-lane score: 68.3 (Supported · #21/180)

| Benchmark | Muse Wonder | Step 5 Preview | Winner |
|-----------|-----------|-----------|--------|
| HealthBench Professional | 60.5% | Coming soon | Coming soon |
| GPQA-D | Coming soon | 93.5% | Coming soon |
| HLE | Coming soon | 46.5% | Coming soon |

## FAQ

### Which is better overall, Muse Wonder or Step 5 Preview?

Muse Wonder has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between Muse Wonder and Step 5 Preview?

The widest category gap is in coding, where the averages are 69.8 for Muse Wonder and 60.8 for Step 5 Preview.

### How many benchmarks does Muse Wonder cover on BenchLM?

Muse Wonder currently has 6 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

- [Muse Wonder vs Muse Wonder Full](/compare/muse-wonder-vs-muse-wonder-full)
- [Step 5 Preview vs Muse Wonder Full](/compare/muse-wonder-full-vs-step-5-preview)
- [Muse Wonder vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-muse-wonder)
- [Step 5 Preview vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-step-5-preview)

## Explore More

- [Muse Wonder profile](/models/muse-wonder)
- [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)