# Hy3 Preview vs LongCat-Flash-Lite-Sparse

> Side-by-side benchmark comparison for Hy3 Preview and LongCat-Flash-Lite-Sparse across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/hy3-preview-vs-longcat-flash-lite-sparse
- Last updated: September 10, 2026

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

## Quick Verdict

Pick Hy3 Preview 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

- Hy3 Preview leads overall 55.34 to 0.
- The biggest single benchmark swing is Terminal-Bench 2.0 in Agentic, with scores of 54.4% and 33.7%.
- LongCat-Flash-Lite-Sparse also has the larger context window at 1M.

## Model Snapshot

| Property | Hy3 Preview | LongCat-Flash-Lite-Sparse |
|----------|----------|----------|
| Creator | Tencent | Meituan |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 1M |
| Overall Score | 55.34 | null |
| Benchmarks Covered | 6 | 17 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Coming soon
- Hy3 Preview public-lane score: 47.7 (Estimated · #69/152)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Hy3 Preview | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 54.4% | 33.7% | Hy3 Preview |
| Gert Labs | 36.91% | Coming soon | Coming soon |
| VITA-Bench | Coming soon | 21.7% | Coming soon |
| MCP Atlas | Coming soon | 45.6% | Coming soon |
| BrowseComp | Coming soon | 48.6% | Coming soon |

### Coding

- Winner: Coming soon
- Hy3 Preview public-lane score: 44.3 (Estimated · #92/151)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Hy3 Preview | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 74.4% | 68.2% | Hy3 Preview |
| Terminal-Bench 2.0 | 54.4% | 33.7% | Hy3 Preview |
| SWE-bench Pro | Coming soon | 40.6% | Coming soon |
| SWE Multilingual | Coming soon | 59.3% | Coming soon |

### Knowledge

- Winner: Coming soon
- Hy3 Preview public-lane score: 48.8 (Estimated · #89/183)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Hy3 Preview | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 87.2% | Coming soon | Coming soon |
| GPQA-D | 87.2% | 69.5% | Hy3 Preview |
| MMLU | Coming soon | 85.3% | Coming soon |
| MMLU-Pro | Coming soon | 79.2% | Coming soon |
| CMMLU | Coming soon | 84.3% | Coming soon |
| C-Eval | Coming soon | 85.8% | Coming soon |

### Instruction Following

- Winner: Coming soon
- Hy3 Preview public-lane score: 54.8 (#76/123)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

### Mathematics

- Winner: Coming soon
- Hy3 Preview public-lane score: Coming soon
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | Hy3 Preview | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| 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, Hy3 Preview or LongCat-Flash-Lite-Sparse?

Hy3 Preview is ahead overall on BenchLM right now.

### How many benchmarks does Hy3 Preview cover on BenchLM?

Hy3 Preview currently has 6 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

- [Hy3 Preview vs Hy3](/compare/hy3-vs-hy3-preview)
- [LongCat-Flash-Lite-Sparse vs Hy3](/compare/hy3-vs-longcat-flash-lite-sparse)
- [Hy3 Preview vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-hy3-preview)
- [LongCat-Flash-Lite-Sparse vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-longcat-flash-lite-sparse)

## Explore More

- [Hy3 Preview profile](/models/hy3-preview)
- [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)