# Kimi K3.1 Pro vs Muse Spark 1.3

> Side-by-side benchmark comparison for Kimi K3.1 Pro and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-3-1-pro-vs-muse-spark-1-3
- Last updated: October 23, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Kimi K3.1 Pro and Muse Spark 1.3 share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are 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.
- Kimi K3.1 Pro has the larger published context window at 1.05M.

## Model Snapshot

| Property | Kimi K3.1 Pro | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Moonshot AI | Meta |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 1M |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 42 | 20 |
| Pricing (input/output) | $2.00 / $10.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 65.70% | Coming soon | Coming soon |
| Terminal-Bench-Science 0.1 | 38.1% | Coming soon | Coming soon |
| HLE w/ tools | 70.0% | Coming soon | Coming soon |
| BrowseComp | 92.1% | Coming soon | Coming soon |
| BioMysteryBench | 80.6% | Coming soon | Coming soon |
| Agents' Last Exam | 43.2% | Coming soon | Coming soon |
| Agents' Last Exam (CLI) | 44.2% | Coming soon | Coming soon |
| APEX-Agents | 67.2% | Coming soon | Coming soon |
| Frontier Finance | 58.6% | Coming soon | Coming soon |
| HANDBOOK.md | 44.6% | Coming soon | Coming soon |
| OSWorld 2.0 | 79.6% | 66.9% | Kimi K3.1 Pro |
| Business Operation | 37.8% | Coming soon | Coming soon |
| Financial Modeling | 57.6% | Coming soon | Coming soon |
| Financial Research | 70.4% | Coming soon | Coming soon |
| Kimi Hallu Bench Hard (tools) | 8.3% | Coming soon | Coming soon |
| ExploitGym | 20.7% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| JobBench | Coming soon | 64.9% | 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
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 75.5% | 75.4% | Kimi K3.1 Pro |
| ProgramBench (binary) | 31.5% | Coming soon | Coming soon |
| Kimi Code Bench v2 | 77.1% | Coming soon | Coming soon |
| Kimi Code Bench 3.0 Long-horizon | 61.2% | Coming soon | Coming soon |
| sweMarathon | 51.7% | Coming soon | Coming soon |
| PostTrainBench v1.2 | 36.5% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.8% | 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
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: 82 (Unranked · 2 rankable rows)

| Benchmark | Kimi K3.1 Pro | 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
- Kimi K3.1 Pro public-lane score: 98 (#1/56)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 67.4% | Coming soon | Coming soon |
| OfficeQA Pro v2 | 64.4% | Coming soon | Coming soon |
| BenchCAD Vision2Code (no tools) | 0.728 | Coming soon | Coming soon |
| BenchCAD Vision2Code (tools) | 0.927 | Coming soon | Coming soon |
| MMMU-Pro | 84.1% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 90% | Coming soon | Coming soon |
| CharXiv | 93.4% | Coming soon | Coming soon |
| CharXiv w/o tools | 89% | Coming soon | Coming soon |
| Chartography (tools) | 90.2% | Coming soon | Coming soon |
| BabyVision w/ Python | 95.4% | Coming soon | Coming soon |
| ZeroBench | 39.0% | Coming soon | Coming soon |
| ZeroBench w/ Python | 63.0% | Coming soon | Coming soon |
| GDP.pdf (Gemini judge) | 34.6% | Coming soon | Coming soon |
| GDP.pdf w/ Python (Gemini judge) | 85.7% | Coming soon | Coming soon |
| PerceptionBench | 68.3% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | Coming soon | Coming soon |
| GPQA-D | 94.2% | Coming soon | Coming soon |
| HLE | 70% | Coming soon | Coming soon |
| HLE w/o tools | 51.1% | Coming soon | Coming soon |
| Kimi Hallu Bench | 5.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Kimi K3.1 Pro | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 74.035% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 46.341% | Coming soon |

## FAQ

### Is there enough evidence to pick between Kimi K3.1 Pro and Muse Spark 1.3?

Not yet. The models share only 2 sourced benchmark rows, 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

- [Kimi K3.1 Pro vs Muse Spark 1.1](/compare/kimi-3-1-pro-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)
- [Kimi K3.1 Pro vs Muse Spark 1.2](/compare/kimi-3-1-pro-vs-muse-spark-1-2)
- [Muse Spark 1.3 vs Muse Spark 1.2](/compare/muse-spark-1-2-vs-muse-spark-1-3)

## Explore More

- [Kimi K3.1 Pro profile](/models/kimi-3-1-pro)
- [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)