# Kimi K2.5 vs Muse Spark 1.3

> Side-by-side benchmark comparison for Kimi K2.5 and Muse Spark 1.3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-5-vs-muse-spark-1-3
- Last updated: October 17, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Kimi K2.5 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.
- Kimi K2.5 has the lower published output-token price.
- Muse Spark 1.3 has the larger published context window at 1M.

## Model Snapshot

| Property | Kimi K2.5 | Muse Spark 1.3 |
|----------|----------|----------|
| Creator | Moonshot AI | Meta |
| Type | Open Weight | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 256K | 1M |
| Independent public score (not head-to-head) | 53.05 | null |
| Benchmarks Covered | 68 | 20 |
| Pricing (input/output) | $0.60 / $3.00 | $1.25 / $4.25 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K2.5 public-lane score: 40.7 (Estimated · #66/128)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50.8% | Coming soon | Coming soon |
| BrowseComp | 60.6% | Coming soon | Coming soon |
| OSWorld-Verified | 63.3% | Coming soon | Coming soon |
| Claw-Eval | 52.3% | Coming soon | Coming soon |
| QwenClawBench | 54.3% | Coming soon | Coming soon |
| τ³-bench results | 65.7% | Coming soon | Coming soon |
| DeepSearchQA | 77.1% | 89.4% | Muse Spark 1.3 |
| DeepPlanning | 14.4% | Coming soon | Coming soon |
| Toolathlon | 27.8% | Coming soon | Coming soon |
| MCP Atlas | 29.5% | Coming soon | Coming soon |
| MCP-Tasks | 59.1% | Coming soon | Coming soon |
| WideResearch | 72.7% | Coming soon | Coming soon |
| BFCL v4 | 68.3% | Coming soon | Coming soon |
| Gert Labs | 45.88% | Coming soon | Coming soon |
| ResearchClawBench | 14.0% | Coming soon | Coming soon |
| JobBench | 8.7% | 64.9% | Muse Spark 1.3 |
| Terminal-Bench 2.1 | Coming soon | 88.8% | Coming soon |
| OSWorld 2.0 | Coming soon | 66.9% | 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 K2.5 public-lane score: 38.5 (Estimated · #68/150)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.8% | Coming soon | Coming soon |
| SWE-bench Verified* | 70.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 85.0% | Coming soon | Coming soon |
| SWE-bench Pro | 50.7% | Coming soon | Coming soon |
| SWE Multilingual | 73% | Coming soon | Coming soon |
| SWE-Rebench | 58.5% | Coming soon | Coming soon |
| React Native Evals | 77.2% | Coming soon | Coming soon |
| NL2Repo | 32% | Coming soon | Coming soon |
| SciCode | 48.7% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 50.8% | 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
- Kimi K2.5 public-lane score: 72.2 (Unranked · 3 rankable rows)
- Muse Spark 1.3 public-lane score: 82.9 (#6/28)

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | 61% | Coming soon | Coming soon |
| 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 K2.5 public-lane score: 70.4 (#32/54)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 84.3% | Coming soon | Coming soon |
| MMMU-Pro | 78.5% | Coming soon | Coming soon |
| RealWorldQA | 81.0% | Coming soon | Coming soon |
| OmniDocBench 1.5 | 88.8% | Coming soon | Coming soon |
| Video-MME | 87.4% | Coming soon | Coming soon |
| Video-MME (with subtitle) | 87.4% | Coming soon | Coming soon |
| Video-MME (w/o subtitle) | 83.2% | Coming soon | Coming soon |
| MathVision | 84.2% | Coming soon | Coming soon |
| We-Math | 84.7% | Coming soon | Coming soon |
| DynaMath | 84.4% | Coming soon | Coming soon |
| SimpleVQA | 71.2% | Coming soon | Coming soon |
| MMLongBench-Doc | 58.5% | Coming soon | Coming soon |
| CC-OCR | 79.7% | Coming soon | Coming soon |
| AI2D_TEST | 90.8% | Coming soon | Coming soon |
| CountBench | 94.1% | Coming soon | Coming soon |
| RefCOCO (avg) | 87.8% | Coming soon | Coming soon |
| MMVU | 80.4% | Coming soon | Coming soon |
| VideoMMMU | 86.6% | Coming soon | Coming soon |
| MLVU (M-Avg) | 85.0% | Coming soon | Coming soon |
| CharXiv | 77.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K2.5 public-lane score: 51.4 (Estimated · #75/184)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.6% | Coming soon | Coming soon |
| GPQA-D | 87.6% | Coming soon | Coming soon |
| SuperGPQA | 69.2% | Coming soon | Coming soon |
| MMLU-Pro | 87.1% | Coming soon | Coming soon |
| MMLU-Pro (Arcee) | 87.1% | Coming soon | Coming soon |
| MMLU-Redux | 94.5% | Coming soon | Coming soon |
| C-Eval | 94% | Coming soon | Coming soon |
| HLE | 30.1% | Coming soon | Coming soon |

### Multilingual

- Winner: Insufficient shared evidence
- Kimi K2.5 public-lane score: 87.3 (#8/17)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | 82.3% | Coming soon | Coming soon |
| NOVA-63 | 56.0% | Coming soon | Coming soon |
| INCLUDE | 83.3% | Coming soon | Coming soon |
| PolyMath | 43.1% | Coming soon | Coming soon |
| MAXIFE | 72.8% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K2.5 public-lane score: 85.8 (#48/148)
- Muse Spark 1.3 public-lane score: Coming soon

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 93.9% | Coming soon | Coming soon |
| Gray Swan IPI (15 attempts) | Coming soon | 15.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K2.5 public-lane score: 83.3 (Unranked · 7 rankable rows)
- Muse Spark 1.3 public-lane score: 78.5 (Unranked · 2 rankable rows)

| Benchmark | Kimi K2.5 | Muse Spark 1.3 | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 96.1% | Coming soon | Coming soon |
| AIME26 | 95.8% | Coming soon | Coming soon |
| AIME25 (Arcee) | 96.3% | Coming soon | Coming soon |
| HMMT Feb 2025 | 95.4% | Coming soon | Coming soon |
| HMMT Nov 2025 | 91.1% | Coming soon | Coming soon |
| HMMT Feb 2026 | 87.1% | Coming soon | Coming soon |
| MMAnswerBench | 81.8% | Coming soon | Coming soon |
| 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 K2.5 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 K2.5 vs Kimi K2.5 (Reasoning)](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Muse Spark 1.3 vs Kimi K2.5 (Reasoning)](/compare/kimi-k2-5-reasoning-vs-muse-spark-1-3)
- [Kimi K2.5 vs Muse Spark 1.1](/compare/kimi-k2-5-vs-muse-spark-1-1)
- [Muse Spark 1.3 vs Muse Spark 1.1](/compare/muse-spark-1-1-vs-muse-spark-1-3)

## Explore More

- [Kimi K2.5 profile](/models/kimi-k2-5)
- [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)