# Claude Haiku 4.5 vs Muse Wonder

> Side-by-side benchmark comparison for Claude Haiku 4.5 and Muse Wonder across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-4-5-vs-muse-wonder
- Last updated: October 12, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Haiku 4.5 and Muse Wonder share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Claude Haiku 4.5 has the lower published output-token price.
- Muse Wonder has the larger published context window at 1M.

## Model Snapshot

| Property | Claude Haiku 4.5 | Muse Wonder |
|----------|----------|----------|
| Creator | Anthropic | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | 40.76 | 70.44 |
| Benchmarks Covered | 10 | 6 |
| Pricing (input/output) | $1.00 / $5.00 | $4.00 / $20.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 21.7 (Supported · #102/123)
- Muse Wonder public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Muse Wonder | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 16.0% | 70.5% | Muse Wonder |
| Terminal-Bench 2.1 (Vals) | 43.8% | Coming soon | Coming soon |
| Finance Agent v2 | Coming soon | 56.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 18 (Supported · #123/148)
- Muse Wonder public-lane score: 69.8 (Supported · #10/148)

| Benchmark | Claude Haiku 4.5 | Muse Wonder | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 73.3% | Coming soon | Coming soon |
| VulcanBench v3 | 76.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 41.2% | Coming soon | Coming soon |
| SWE-bench (Vals) | 66.6% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 78.8% | Coming soon |
| ProgramBench | Coming soon | 50.0% | Coming soon |
| sweMarathon | Coming soon | 53.1% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: Coming soon
- Muse Wonder public-lane score: 81.3 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 35.7 (Estimated · #131/180)
- Muse Wonder public-lane score: 74 (Supported · #12/180)

| Benchmark | Claude Haiku 4.5 | Muse Wonder | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 72.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 78.7% | Coming soon | Coming soon |
| HealthBench Professional | Coming soon | 60.5% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 29.3 (Unranked · 2 rankable rows)
- Muse Wonder public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Muse Wonder | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 5.903% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 2.083% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Haiku 4.5 and Muse Wonder?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Haiku 4.5 vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-vs-claude-haiku-4-5-thinking)
- [Muse Wonder vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-thinking-vs-muse-wonder)
- [Claude Haiku 4.5 vs Muse Wonder Full](/compare/claude-haiku-4-5-vs-muse-wonder-full)
- [Muse Wonder vs Muse Wonder Full](/compare/muse-wonder-vs-muse-wonder-full)

## Explore More

- [Claude Haiku 4.5 profile](/models/claude-haiku-4-5)
- [Muse Wonder profile](/models/muse-wonder)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)