# GLM-5.1 vs Kimi K2.5

> Side-by-side benchmark comparison for GLM-5.1 and Kimi K2.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-kimi-k2-5
- Last updated: September 23, 2026

- Shared sourced benchmarks: 17
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.6

## Quick Verdict

Pick GLM-5.1 if you want the stronger benchmark profile. Kimi K2.5 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 57.71 to 53.79.
- The clearest category separation is in reasoning, where the averages are 71.7 for GLM-5.1 and 54.1 for Kimi K2.5.
- The biggest single benchmark swing is MCP Atlas in Agentic, with scores of 71.8% and 29.5%.
- Kimi K2.5 is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Kimi K2.5 also has the larger context window at 256K.

## Model Snapshot

| Property | GLM-5.1 | Kimi K2.5 |
|----------|----------|----------|
| Creator | Z.AI | Moonshot AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 203K | 256K |
| Overall Score | 57.71 | 53.79 |
| Benchmarks Covered | 26 | 45 |
| Pricing (input/output) | $1.40 / $4.40 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- GLM-5.1 public-lane score: 42.1 (Estimated · #43/105)
- Kimi K2.5 public-lane score: 35.5 (Estimated · #54/105)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.5% | 50.8% | GLM-5.1 |
| BrowseComp | 68% | 60.6% | GLM-5.1 |
| τ³-bench results | 70.6% | 65.7% | GLM-5.1 |
| MCP Atlas | 71.8% | 29.5% | GLM-5.1 |
| CyberGym | 68.7% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | 52.3% | GLM-5.1 |
| Gert Labs | 60.11% | 45.88% | GLM-5.1 |
| ResearchClawBench | 18.2% | 14.0% | GLM-5.1 |
| Terminal-Bench 2.1 (Vals) | 56.9% | Coming soon | Coming soon |
| QwenClawBench | Coming soon | 54.3% | Coming soon |
| DeepSearchQA | Coming soon | 77.1% | Coming soon |
| DeepPlanning | Coming soon | 14.4% | Coming soon |
| Toolathlon | Coming soon | 27.8% | Coming soon |
| MCP-Tasks | Coming soon | 59.1% | Coming soon |
| WideResearch | Coming soon | 72.7% | Coming soon |
| JobBench | Coming soon | 8.7% | Coming soon |

### Coding

- Winner: Directional only
- GLM-5.1 public-lane score: 51.5 (Supported · #36/135)
- Kimi K2.5 public-lane score: 40.9 (Estimated · #58/135)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 58.4% | 50.7% | GLM-5.1 |
| NL2Repo | 42.7% | Coming soon | Coming soon |
| SWE-Rebench | 62.7% | 58.5% | GLM-5.1 |
| 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 |
| SWE-bench Verified | Coming soon | 76.8% | Coming soon |
| SWE-bench Verified* | Coming soon | 70.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 85.0% | Coming soon |
| SWE Multilingual | Coming soon | 73% | Coming soon |
| React Native Evals | Coming soon | 77.2% | Coming soon |
| SciCode | Coming soon | 48.7% | Coming soon |

### Reasoning

- Winner: Not comparable
- GLM-5.1 public-lane score: 71.7 (Unranked · 2 rankable rows)
- Kimi K2.5 public-lane score: 54.1 (Unranked · 3 rankable rows)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 61% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GLM-5.1 public-lane score: Coming soon
- Kimi K2.5 public-lane score: 65.8 (#25/50)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 78.5% | Coming soon |
| Video-MME | Coming soon | 87.4% | Coming soon |
| MMVU | Coming soon | 80.4% | Coming soon |
| VideoMMMU | Coming soon | 86.6% | Coming soon |

### Knowledge

- Winner: Directional only
- GLM-5.1 public-lane score: 50.2 (Supported · #54/160)
- Kimi K2.5 public-lane score: 46.4 (Estimated · #68/160)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 86.2% | 87.6% | Kimi K2.5 |
| HLE | 52.3% | 30.1% | GLM-5.1 |
| GPQA Diamond (Vals) | 84.5% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 86.9% | Coming soon | Coming soon |
| GPQA | Coming soon | 87.6% | Coming soon |
| SuperGPQA | Coming soon | 69.2% | Coming soon |
| MMLU-Pro | Coming soon | 87.1% | Coming soon |
| MMLU-Pro (Arcee) | Coming soon | 87.1% | Coming soon |

### Multilingual

- Winner: Not comparable
- GLM-5.1 public-lane score: Coming soon
- Kimi K2.5 public-lane score: 38.2 (#8/12)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 82.3% | Coming soon |
| NOVA-63 | Coming soon | 56.0% | Coming soon |

### Instruction Following

- Winner: Directional only
- GLM-5.1 public-lane score: 92.4 (#4/124)
- Kimi K2.5 public-lane score: 84.4 (#41/124)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 93.9% | Coming soon |

### Mathematics

- Winner: GLM-5.1
- GLM-5.1 public-lane score: 63.8 (#3/7)
- Kimi K2.5 public-lane score: 62.1 (#4/7)

| Benchmark | GLM-5.1 | Kimi K2.5 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 95.3% | 95.8% | Kimi K2.5 |
| HMMT Nov 2025 | 94.0% | 91.1% | GLM-5.1 |
| HMMT Feb 2026 | 82.6% | 87.1% | Kimi K2.5 |
| MMAnswerBench | 83.8% | 81.8% | GLM-5.1 |
| FrontierMath v2 (Tiers 1-3) | 33.448% | 27.900% | GLM-5.1 |
| FrontierMath v2 (Tier 4) | 12.500% | 4.200% | GLM-5.1 |
| AIME 2025 | Coming soon | 96.1% | Coming soon |
| AIME25 (Arcee) | Coming soon | 96.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 95.4% | Coming soon |

## FAQ

### Which is better overall, GLM-5.1 or Kimi K2.5?

GLM-5.1 is ahead overall on BenchLM right now.

### Where is the biggest gap between GLM-5.1 and Kimi K2.5?

The widest category gap is in reasoning, where the averages are 71.7 for GLM-5.1 and 54.1 for Kimi K2.5.

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

GLM-5.1 currently has 26 sourced benchmark scores on BenchLM.

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

Kimi K2.5 currently has 45 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [Kimi K2.5 vs GLM-5.3](/compare/glm-5-3-vs-kimi-k2-5)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [Kimi K2.5 vs GLM-5.2](/compare/glm-5-2-vs-kimi-k2-5)

## Explore More

- [GLM-5.1 profile](/models/glm-5-1)
- [Kimi K2.5 profile](/models/kimi-k2-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)