# GPT-4.1 vs Muse Spark 1.3

> Side-by-side benchmark comparison for GPT-4.1 and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-4-1-vs-muse-spark-1-3
- Last updated: October 17, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-4.1 and Muse Spark 1.3 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.
- Muse Spark 1.3 has the lower published output-token price.

## Model Snapshot

| Property | GPT-4.1 | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | OpenAI | Meta |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 37.6 | null |
| Benchmarks Covered | 7 | 20 |
| Pricing (input/output) | $2.00 / $8.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 25.65% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| JobBench | Coming soon | 64.9% | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | Coming soon |
| DeepSearchQA | Coming soon | 89.4% | Coming soon |
| AutomationBench | Coming soon | 49.4% | Coming soon |
| ApprenticeBench | Coming soon | 19% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 72.3% | Coming soon |
| CWE-bench v1 | Coming soon | 55.0% | Coming soon |
| MazeBench | Coming soon | 0% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 54.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| DeepSWE | Coming soon | 75.4% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 59.4% | Coming soon |
| CursorBench 4.0 | Coming soon | 41.6% | Coming soon |
| Bug Hunt Bench | Coming soon | 32.2 fixes | Coming soon |
| FrontierSWE v2 | Coming soon | 25.8% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 72.8 (Unranked · 2 rankable rows)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 256K-512K | Coming soon | 98.5% | Coming soon |
| MRCR v2 512K-1M | Coming soon | 98.1% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 54.7 (Unranked · 1 rankable row)
- Muse Spark 1.3 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 35.7 (Supported · #132/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 90.2% | Coming soon | Coming soon |
| GPQA | 66.3% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 61.5 (#14/17)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 72.7% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 50.3 (#92/148)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 87.4% | Coming soon | Coming soon |
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- GPT-4.1 public-lane score: 27 (Unranked · 1 rankable row)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | GPT-4.1 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 5.965% | 74.035% | Muse Spark 1.3 |
| FrontierMath v2 (Tier 4) | Coming soon | 46.341% | Coming soon |

## FAQ

### Is there enough evidence to pick between GPT-4.1 and Muse Spark 1.3?

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

- [GPT-4.1 vs GPT-4.1 mini](/compare/gpt-4-1-vs-gpt-4-1-mini)
- [Muse Spark 1.3 vs GPT-4.1 mini](/compare/gpt-4-1-mini-vs-muse-spark-1-3)
- [GPT-4.1 vs GPT-4.1 nano](/compare/gpt-4-1-vs-gpt-4-1-nano)
- [Muse Spark 1.3 vs GPT-4.1 nano](/compare/gpt-4-1-nano-vs-muse-spark-1-3)

## Explore More

- [GPT-4.1 profile](/models/gpt-4-1)
- [Muse Spark 1.3 profile](/models/muse-spark-1-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)