# Kimi K2.6 vs LongCat-2.5

> Side-by-side benchmark comparison for Kimi K2.6 and LongCat-2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-2-6-vs-longcat-2-5
- Last updated: November 9, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.6 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K2.6 has the higher overall point estimate 57.43 to 0. Conditional score ranges do not establish rank confidence.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 55.9% and 83.1%.
- LongCat-2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- LongCat-2.5 also has the larger context window at 1M.

## Model Snapshot

| Property | Kimi K2.6 | LongCat-2.5 |
|----------|----------|----------|
| Creator | Moonshot AI | Meituan |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 256K | 1M |
| Overall Score | 57.43 | null |
| Benchmarks Covered | 37 | 22 |
| Pricing (input/output) | $0.95 / $4.00 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- Kimi K2.6 public-lane score: 44.4 (Supported · #64/132)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 66.7% | Coming soon | Coming soon |
| BrowseComp | 83.2% | 91.9% | LongCat-2.5 |
| OSWorld-Verified | 73.1% | Coming soon | Coming soon |
| Toolathlon | 50% | Coming soon | Coming soon |
| MCP Atlas | 55.9% | 83.1% | LongCat-2.5 |
| Claw-Eval | 62.3% | 78.3% | LongCat-2.5 |
| DeepSearchQA | 92.5% | Coming soon | Coming soon |
| WideResearch | 80.8% | Coming soon | Coming soon |
| Gert Labs | 56.82% | Coming soon | Coming soon |
| ResearchClawBench | 18.0% | Coming soon | Coming soon |
| OSWorld 2.0 | 4.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 53.6% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| Terminal-Bench 4.0 | Coming soon | 38.50% | Coming soon |
| AutomationBench | Coming soon | 51.8% | Coming soon |
| HLE w/ tools | Coming soon | 63.1% | Coming soon |
| Agents' Last Exam | Coming soon | 38.5% | Coming soon |
| JobBench | Coming soon | 65.4% | Coming soon |
| skillsBench | Coming soon | 63.3% | Coming soon |
| SpreadsheetBench 2 | Coming soon | 34.9% | Coming soon |

### Coding

- Winner: Not comparable
- Kimi K2.6 public-lane score: 43.3 (Supported · #66/158)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80.2% | Coming soon | Coming soon |
| LiveCodeBench v6 | 89.6% | Coming soon | Coming soon |
| SWE-bench Pro | 58.6% | Coming soon | Coming soon |
| SWE Multilingual | 76.7% | Coming soon | Coming soon |
| SciCode | 52.2% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 66.7% | Coming soon | Coming soon |
| Vibe Code Bench | 37.89% | Coming soon | Coming soon |
| cursorBench31 | 47.6% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 86.8% | Coming soon | Coming soon |
| SWE-bench (Vals) | 76.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 88.4% | Coming soon |
| ProgramBench | Coming soon | 25.5% | Coming soon |
| DeepSWE | Coming soon | 64.6% | Coming soon |
| PaperBench | Coming soon | 82.1% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 58.3% | Coming soon |
| NL2Repo | Coming soon | 60.5% | Coming soon |

### Reasoning

- Winner: Not comparable
- Kimi K2.6 public-lane score: 47.8 (Estimated · #58/157)
- LongCat-2.5 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Not comparable
- Kimi K2.6 public-lane score: 59.2 (Estimated · #39/67)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 79.4% | Coming soon | Coming soon |
| MMMU-Pro w/ Python | 80.1% | Coming soon | Coming soon |
| CharXiv | 80.4% | 90.2% | LongCat-2.5 |
| MathVision | 87.4% | Coming soon | Coming soon |
| V* | 96.9% | Coming soon | Coming soon |
| Vision2Web | Coming soon | 78.6% | Coming soon |
| MathVision w/ Python | Coming soon | 96.5% | Coming soon |
| Video-MME | Coming soon | 85.2% | Coming soon |

### Knowledge

- Winner: Not comparable
- Kimi K2.6 public-lane score: 58.5 (Supported · #51/179)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 90.5% | Coming soon | Coming soon |
| GPQA-D | 90.5% | Coming soon | Coming soon |
| HLE | 34.7% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 89.1% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 87.6% | Coming soon | Coming soon |
| FrontierScience | Coming soon | 77% | Coming soon |

### Instruction Following

- Winner: Not comparable
- Kimi K2.6 public-lane score: 83.5 (#57/157)
- LongCat-2.5 public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- Kimi K2.6 public-lane score: 73.7 (#4/12)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | Kimi K2.6 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 96.4% | Coming soon | Coming soon |
| HMMT Feb 2026 | 92.7% | Coming soon | Coming soon |
| MMAnswerBench | 86.0% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 57.193% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 25.641% | Coming soon | Coming soon |

## FAQ

### Which is better overall, Kimi K2.6 or LongCat-2.5?

Kimi K2.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### How many benchmarks does Kimi K2.6 cover on BenchLM?

Kimi K2.6 currently has 37 sourced benchmark scores on BenchLM.

### How many benchmarks does LongCat-2.5 cover on BenchLM?

LongCat-2.5 currently has 22 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K2.6 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-kimi-2-6)
- [LongCat-2.5 vs Claude Fable 5.2](/compare/claude-fable-5-2-vs-longcat-2-5)
- [Kimi K2.6 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-kimi-2-6)
- [LongCat-2.5 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-longcat-2-5)

## Explore More

- [Kimi K2.6 profile](/models/kimi-2-6)
- [LongCat-2.5 profile](/models/longcat-2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)