# Kimi K3.1 Pro vs Muse Spark

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

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

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick Kimi K3.1 Pro if you want the stronger benchmark profile. Muse Spark only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K3.1 Pro leads overall 82 to 60.44.
- The clearest category separation is in multimodal & grounded, where the averages are 98 for Kimi K3.1 Pro and 83.8 for Muse Spark.
- The biggest single benchmark swing is HLE in Knowledge, with scores of 70% and 50.4%.
- Kimi K3.1 Pro also has the larger context window at 1.05M.

## Model Snapshot

| Property | Kimi K3.1 Pro | Muse Spark |
|----------|----------|----------|
| Creator | Moonshot AI | Meta |
| Type | Pending | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1.05M | 262K |
| Overall Score | null | 60.44 |
| Benchmarks Covered | 42 | 25 |
| Pricing (input/output) | $2.00 / $10.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark public-lane score: 52.2 (Supported · #47/132)

| Benchmark | Kimi K3.1 Pro | Muse Spark | 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% | Coming soon | Coming soon |
| 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 2.0 | Coming soon | 59% | Coming soon |
| τ²-bench results | Coming soon | 91.5% | Coming soon |
| DeepSearchQA | Coming soon | 74.8% | Coming soon |
| CyberGym | Coming soon | 43.5% | Coming soon |
| Claw-Eval | Coming soon | 63.8% | Coming soon |

### Coding

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark public-lane score: 49.9 (Supported · #45/153)

| Benchmark | Kimi K3.1 Pro | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| DeepSWE | 75.5% | Coming soon | Coming soon |
| 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 |
| SWE-bench Verified | Coming soon | 77.4% | Coming soon |
| SWE-bench Pro | Coming soon | 52.4% | Coming soon |
| LiveCodeBench Pro | Coming soon | 80.0% | Coming soon |
| Vibe Code Bench | Coming soon | 19.67% | Coming soon |
| SWE-bench (Vals) | Coming soon | 74.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark public-lane score: 57.1 (Unranked · 3 rankable rows)

| Benchmark | Kimi K3.1 Pro | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 42.5% | Coming soon |

### Multimodal & Grounded

- Winner: Directional only
- Kimi K3.1 Pro public-lane score: 98 (#1/56)
- Muse Spark public-lane score: 83.8 (#13/56)

| Benchmark | Kimi K3.1 Pro | Muse Spark | 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% | 80.4% | Kimi K3.1 Pro |
| MMMU-Pro w/ Python | 90% | Coming soon | Coming soon |
| CharXiv | 93.4% | 86.4% | Kimi K3.1 Pro |
| 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% | 33.0% | Kimi K3.1 Pro |
| 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 |
| ERQA | Coming soon | 64.7% | Coming soon |
| SimpleVQA | Coming soon | 71.3% | Coming soon |
| ScreenSpot Pro | Coming soon | 84.1% | Coming soon |
| MedXpertQA (MM) | Coming soon | 78.4% | Coming soon |

### Knowledge

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark public-lane score: 61.9 (Supported · #45/187)

| Benchmark | Kimi K3.1 Pro | Muse Spark | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | Coming soon | Coming soon |
| GPQA-D | 94.2% | 89.5% | Kimi K3.1 Pro |
| HLE | 70% | 50.4% | Kimi K3.1 Pro |
| HLE w/o tools | 51.1% | 42.8% | Kimi K3.1 Pro |
| Kimi Hallu Bench | 5.4% | Coming soon | Coming soon |
| HealthBench Hard | Coming soon | 42.8% | Coming soon |
| MedXpertQA (Text) | Coming soon | 52.6% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 89.6% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 87.3% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Kimi K3.1 Pro public-lane score: Coming soon
- Muse Spark public-lane score: 93.3 (#11/153)

## FAQ

### Which is better overall, Kimi K3.1 Pro or Muse Spark?

Kimi K3.1 Pro is ahead overall on BenchLM right now.

### Where is the biggest gap between Kimi K3.1 Pro and Muse Spark?

The widest category gap is in multimodal & grounded, where the averages are 98 for Kimi K3.1 Pro and 83.8 for Muse Spark.

### How many benchmarks does Kimi K3.1 Pro cover on BenchLM?

Kimi K3.1 Pro currently has 42 sourced benchmark scores on BenchLM.

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

Muse Spark currently has 25 sourced benchmark scores on BenchLM.

## Related Comparisons

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

## Explore More

- [Kimi K3.1 Pro profile](/models/kimi-3-1-pro)
- [Muse Spark profile](/models/muse-spark)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)