# Kimi K2.5 (Reasoning) vs LongCat-Flash-Lite-Sparse

> Side-by-side benchmark comparison for Kimi K2.5 (Reasoning) and LongCat-Flash-Lite-Sparse across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-5-reasoning-vs-longcat-flash-lite-sparse
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Kimi K2.5 (Reasoning) if you want the stronger benchmark profile. LongCat-Flash-Lite-Sparse only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- Kimi K2.5 (Reasoning) leads overall 57 to 0.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 50.8% and 33.7%.
- LongCat-Flash-Lite-Sparse is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- LongCat-Flash-Lite-Sparse also has the larger context window at 1M.

## Model Snapshot

| Property | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse |
|----------|----------|----------|
| Creator | Moonshot AI | Meituan |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 128K | 1M |
| Overall Score | 57 | null |
| Benchmarks Covered | 9 | 17 |
| Pricing (input/output) | $0.60 / $3.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 48.2 (Estimated · #65/152)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 50.8% | 33.7% | Kimi K2.5 (Reasoning) |
| BrowseComp | 60.6% | 48.6% | Kimi K2.5 (Reasoning) |
| Gert Labs | 32.58% | Coming soon | Coming soon |
| VITA-Bench | Coming soon | 21.7% | Coming soon |
| MCP Atlas | Coming soon | 45.6% | Coming soon |

### Coding

- Winner: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 50.7 (Estimated · #53/151)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 76.8% | 68.2% | Kimi K2.5 (Reasoning) |
| Vibe Code Bench | 17.54% | Coming soon | Coming soon |
| SWE-bench Pro | Coming soon | 40.6% | Coming soon |
| SWE Multilingual | Coming soon | 59.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 33.7% | Coming soon |

### Multimodal & Grounded

- Winner: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 63.2 (Unranked · 1 rankable row)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 78.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 50.7 (Estimated · #75/183)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.6% | Coming soon | Coming soon |
| MMLU-Pro | 87.1% | 79.2% | Kimi K2.5 (Reasoning) |
| MMLU | Coming soon | 85.3% | Coming soon |
| CMMLU | Coming soon | 84.3% | Coming soon |
| C-Eval | Coming soon | 85.8% | Coming soon |
| GPQA-D | Coming soon | 69.5% | Coming soon |

### Mathematics

- Winner: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Kimi K2.5 (Reasoning) | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 96.1% | Coming soon | Coming soon |
| MATH-500 | Coming soon | 95.8% | Coming soon |
| AIME26 | Coming soon | 65.7% | Coming soon |
| HMMT Feb 2026 | Coming soon | 40.5% | Coming soon |
| IMOAnswerBench | Coming soon | 49.4% | Coming soon |

## FAQ

### Which is better overall, Kimi K2.5 (Reasoning) or LongCat-Flash-Lite-Sparse?

Kimi K2.5 (Reasoning) is ahead overall on BenchLM right now.

### How many benchmarks does Kimi K2.5 (Reasoning) cover on BenchLM?

Kimi K2.5 (Reasoning) currently has 9 sourced benchmark scores on BenchLM.

### How many benchmarks does LongCat-Flash-Lite-Sparse cover on BenchLM?

LongCat-Flash-Lite-Sparse currently has 17 sourced benchmark scores on BenchLM.

## Related Comparisons

- [Kimi K2.5 (Reasoning) vs Kimi K2.5](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [LongCat-Flash-Lite-Sparse vs Kimi K2.5](/compare/kimi-k2-5-vs-longcat-flash-lite-sparse)
- [Kimi K2.5 (Reasoning) vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-kimi-k2-5-reasoning)
- [LongCat-Flash-Lite-Sparse vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-longcat-flash-lite-sparse)

## Explore More

- [Kimi K2.5 (Reasoning) profile](/models/kimi-k2-5-reasoning)
- [LongCat-Flash-Lite-Sparse profile](/models/longcat-flash-lite-sparse)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)