# GPT-5.2 vs LongCat-Flash-Lite-Sparse

> Side-by-side benchmark comparison for GPT-5.2 and LongCat-Flash-Lite-Sparse across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-2-vs-longcat-flash-lite-sparse
- Last updated: September 10, 2026

- Shared sourced benchmarks: 3
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-5.2 and LongCat-Flash-Lite-Sparse share only 3 sourced benchmark rows.

## Summary

- Only 3 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- LongCat-Flash-Lite-Sparse has the lower published output-token price.
- LongCat-Flash-Lite-Sparse has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-5.2 | LongCat-Flash-Lite-Sparse |
|----------|----------|----------|
| Creator | OpenAI | Meituan |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Independent public score (not head-to-head) | 64.88 | null |
| Benchmarks Covered | 15 | 17 |
| Pricing (input/output) | $1.75 / $14.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 42.9 (Supported · #104/152)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| BrowseComp | 65.8% | 48.6% | GPT-5.2 |
| OSWorld-Verified | 47.3% | Coming soon | Coming soon |
| Gert Labs | 46.54% | Coming soon | Coming soon |
| JobBench | 34.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 33.7% | Coming soon |
| VITA-Bench | Coming soon | 21.7% | Coming soon |
| MCP Atlas | Coming soon | 45.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 46.4 (Supported · #81/151)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 80% | 68.2% | GPT-5.2 |
| SWE-bench Pro | 55.6% | 40.6% | GPT-5.2 |
| Vibe Code Bench | 53.50% | Coming soon | Coming soon |
| SWE Multilingual | Coming soon | 59.3% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 33.7% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 66.3 (#23/48)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | 79.5% | Coming soon | Coming soon |
| MathVision | 83.0% | Coming soon | Coming soon |
| CharXiv | 82.1% | Coming soon | Coming soon |
| V* | 75.9% | Coming soon | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 53.7 (Unranked · 3 rankable rows)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | 52.9% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 61.7 (Supported · #30/183)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 92.4% | Coming soon | Coming soon |
| 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 |
| GPQA-D | Coming soon | 69.5% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 92.6 (#14/123)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

### Mathematics

- Winner: Insufficient shared evidence
- GPT-5.2 public-lane score: 57.5 (Unranked · 2 rankable rows)
- LongCat-Flash-Lite-Sparse public-lane score: Coming soon

| Benchmark | GPT-5.2 | LongCat-Flash-Lite-Sparse | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | 40.700% | Coming soon | Coming soon |
| FrontierMath v2 (Tier 4) | 18.800% | 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

### Is there enough evidence to pick between GPT-5.2 and LongCat-Flash-Lite-Sparse?

Not yet. The models share only 3 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

- [GPT-5.2 vs GPT-5.2 Pro](/compare/gpt-5-2-vs-gpt-5-2-pro)
- [LongCat-Flash-Lite-Sparse vs GPT-5.2 Pro](/compare/gpt-5-2-pro-vs-longcat-flash-lite-sparse)
- [GPT-5.2 vs GPT-5.2 Instant](/compare/gpt-5-2-vs-gpt-5-2-instant)
- [LongCat-Flash-Lite-Sparse vs GPT-5.2 Instant](/compare/gpt-5-2-instant-vs-longcat-flash-lite-sparse)

## Explore More

- [GPT-5.2 profile](/models/gpt-5-2)
- [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)