# GLM-5.1 vs LongCat-2.5

> Side-by-side benchmark comparison for GLM-5.1 and LongCat-2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-longcat-2-5
- Last updated: November 9, 2026

- Shared sourced benchmarks: 5
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Pick GLM-5.1 if you want the stronger benchmark profile. LongCat-2.5 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.1 leads overall 56.02 to 0.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 68% and 91.9%.
- 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 | GLM-5.1 | LongCat-2.5 |
|----------|----------|----------|
| Creator | Z.AI | Meituan |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 203K | 1M |
| Overall Score | 56.02 | null |
| Benchmarks Covered | 27 | 22 |
| Pricing (input/output) | $1.40 / $4.40 | $0.30 / $1.20 |

## Category Breakdown

### Agentic

- Winner: Not comparable
- GLM-5.1 public-lane score: 45.4 (Estimated · #58/132)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GLM-5.1 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| BrowseComp | 68% | 91.9% | LongCat-2.5 |
| τ³-bench results | 70.6% | Coming soon | Coming soon |
| MCP Atlas | 71.8% | 83.1% | LongCat-2.5 |
| CyberGym | 68.7% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | 78.3% | LongCat-2.5 |
| Gert Labs | 60.11% | Coming soon | Coming soon |
| ResearchClawBench | 18.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 56.9% | Coming soon | Coming soon |
| HLE w/ tools | 52.3% | 63.1% | LongCat-2.5 |
| 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 |
| 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
- GLM-5.1 public-lane score: 47.6 (Supported · #56/158)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GLM-5.1 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 58.4% | Coming soon | Coming soon |
| NL2Repo | 42.7% | 60.5% | LongCat-2.5 |
| SWE-Rebench | 62.7% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| Vibe Code Bench | 31.46% | Coming soon | Coming soon |
| OpenHarmony Bench | 52.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 81.4% | Coming soon | Coming soon |
| SWE-bench (Vals) | 76.4% | 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 |

### Reasoning

- Winner: Not comparable
- GLM-5.1 public-lane score: 44.8 (Estimated · #67/157)
- LongCat-2.5 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Not comparable
- GLM-5.1 public-lane score: Coming soon
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GLM-5.1 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| Vision2Web | Coming soon | 78.6% | Coming soon |
| CharXiv | Coming soon | 90.2% | Coming soon |
| MathVision w/ Python | Coming soon | 96.5% | Coming soon |
| Video-MME | Coming soon | 85.2% | Coming soon |

### Knowledge

- Winner: Not comparable
- GLM-5.1 public-lane score: 51.5 (Supported · #73/179)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GLM-5.1 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 86.2% | Coming soon | Coming soon |
| HLE | 31% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | 84.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.9% | Coming soon | Coming soon |
| FrontierScience | Coming soon | 77% | Coming soon |

### Instruction Following

- Winner: Not comparable
- GLM-5.1 public-lane score: 93.8 (#7/157)
- LongCat-2.5 public-lane score: Coming soon

### Mathematics

- Winner: Not comparable
- GLM-5.1 public-lane score: 55.9 (#8/12)
- LongCat-2.5 public-lane score: Coming soon

| Benchmark | GLM-5.1 | LongCat-2.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | Coming soon | Coming soon |
| HMMT Nov 2025 | 94.0% | Coming soon | Coming soon |
| HMMT Feb 2026 | 82.6% | Coming soon | Coming soon |
| MMAnswerBench | 83.8% | Coming soon | Coming soon |
| FrontierMath v2 (Tiers 1-3) | 36.842% | Coming soon | Coming soon |

## FAQ

### Which is better overall, GLM-5.1 or LongCat-2.5?

GLM-5.1 is ahead overall on BenchLM right now.

### How many benchmarks does GLM-5.1 cover on BenchLM?

GLM-5.1 currently has 27 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

- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [LongCat-2.5 vs GLM-5.3](/compare/glm-5-3-vs-longcat-2-5)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [LongCat-2.5 vs GLM-5.2](/compare/glm-5-2-vs-longcat-2-5)

## Explore More

- [GLM-5.1 profile](/models/glm-5-1)
- [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)