# GLM-5.3-Flash vs Kimi K2.6

> Side-by-side benchmark comparison for GLM-5.3-Flash and Kimi K2.6 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-flash-vs-kimi-2-6
- Last updated: October 10, 2026

- Shared sourced benchmarks: 6
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Kimi K2.6 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- Kimi K2.6 has the higher overall point estimate 58.74 to 57.36. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in agentic, where the averages are 55.7 for GLM-5.3-Flash and 43.7 for Kimi K2.6.
- The biggest single benchmark swing is SWE-bench (Vals) in Coding, with scores of 92.0% and 76.2%.
- GLM-5.3-Flash is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- GLM-5.3-Flash also has the larger context window at 1M.

## Model Snapshot

| Property | GLM-5.3-Flash | Kimi K2.6 |
|----------|----------|----------|
| Creator | Z.AI | Moonshot AI |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 256K |
| Overall Score | 57.36 | 58.74 |
| Benchmarks Covered | 21 | 37 |
| Pricing (input/output) | $0.00 / $0.00 | $0.95 / $4.00 |

## Category Breakdown

### Agentic

- Winner: GLM-5.3-Flash
- GLM-5.3-Flash public-lane score: 55.7 (Supported · #34/123)
- Kimi K2.6 public-lane score: 43.7 (Supported · #57/123)

| Benchmark | GLM-5.3-Flash | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | Coming soon | Coming soon |
| Toolathlon-Verified | 78.4% | Coming soon | Coming soon |
| AutomationBench | 48.8% | Coming soon | Coming soon |
| Agents' Last Exam | 26.3% | Coming soon | Coming soon |
| HLE w/ tools | 55.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 62.9% | 53.6% | GLM-5.3-Flash |
| Terminal-Bench 2.0 | Coming soon | 66.7% | Coming soon |
| BrowseComp | Coming soon | 83.2% | Coming soon |
| OSWorld-Verified | Coming soon | 73.1% | Coming soon |
| Toolathlon | Coming soon | 50% | Coming soon |
| MCP Atlas | Coming soon | 55.9% | Coming soon |
| Claw-Eval | Coming soon | 62.3% | Coming soon |
| DeepSearchQA | Coming soon | 92.5% | Coming soon |
| WideResearch | Coming soon | 80.8% | Coming soon |
| Gert Labs | Coming soon | 56.82% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |
| OSWorld 2.0 | Coming soon | 4.6% | Coming soon |

### Coding

- Winner: GLM-5.3-Flash
- GLM-5.3-Flash public-lane score: 49.3 (Supported · #42/146)
- Kimi K2.6 public-lane score: 43.9 (Supported · #54/146)

| Benchmark | GLM-5.3-Flash | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 84.3% | Coming soon | Coming soon |
| DeepSWE | 63.4% | Coming soon | Coming soon |
| NL2Repo | 56.3% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.5% | 86.8% | Kimi K2.6 |
| SWE-bench (Vals) | 92.0% | 76.2% | GLM-5.3-Flash |
| OpenHarmony Bench | 57.3% | Coming soon | Coming soon |
| FrontierSWE v2 | 18.1% | Coming soon | Coming soon |
| Bug Hunt Bench | 17.7 fixes | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 80.2% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.6% | Coming soon |
| SWE-bench Pro | Coming soon | 58.6% | Coming soon |
| SWE Multilingual | Coming soon | 76.7% | Coming soon |
| SciCode | Coming soon | 52.2% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 66.7% | Coming soon |
| Vibe Code Bench | Coming soon | 37.89% | Coming soon |
| cursorBench31 | Coming soon | 47.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: 81.1 (#11/28)
- Kimi K2.6 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Directional only
- GLM-5.3-Flash public-lane score: 84 (#14/54)
- Kimi K2.6 public-lane score: 73.8 (#27/54)

| Benchmark | GLM-5.3-Flash | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 62.4% | Coming soon | Coming soon |
| CharXiv | 89.4% | 80.4% | GLM-5.3-Flash |
| Chartography (tools) | 78.0% | Coming soon | Coming soon |
| BabyVision | 53.4% | Coming soon | Coming soon |
| MMVU | 80.5% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 79.4% | Coming soon |
| MMMU-Pro w/ Python | Coming soon | 80.1% | Coming soon |
| MathVision | Coming soon | 87.4% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: GLM-5.3-Flash
- GLM-5.3-Flash public-lane score: 60.5 (Supported · #43/177)
- Kimi K2.6 public-lane score: 59.8 (Supported · #45/177)

| Benchmark | GLM-5.3-Flash | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 86.4% | 89.1% | Kimi K2.6 |
| MMLU-Pro (Vals) | 86.1% | 87.6% | Kimi K2.6 |
| GPQA | Coming soon | 90.5% | Coming soon |
| GPQA-D | Coming soon | 90.5% | Coming soon |
| HLE | Coming soon | 34.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- GLM-5.3-Flash public-lane score: Coming soon
- Kimi K2.6 public-lane score: 72.2 (#1/7)

| Benchmark | GLM-5.3-Flash | Kimi K2.6 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 96.4% | Coming soon |
| HMMT Feb 2026 | Coming soon | 92.7% | Coming soon |
| MMAnswerBench | Coming soon | 86.0% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 38.966% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 14.580% | Coming soon |

## FAQ

### Which is better overall, GLM-5.3-Flash or Kimi K2.6?

Kimi K2.6 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GLM-5.3-Flash and Kimi K2.6?

The widest category gap is in agentic, where the averages are 55.7 for GLM-5.3-Flash and 43.7 for Kimi K2.6.

### How many benchmarks does GLM-5.3-Flash cover on BenchLM?

GLM-5.3-Flash currently has 21 sourced benchmark scores on BenchLM.

### How many benchmarks does Kimi K2.6 cover on BenchLM?

Kimi K2.6 currently has 37 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.3-Flash vs GLM-5.3](/compare/glm-5-3-vs-glm-5-3-flash)
- [Kimi K2.6 vs GLM-5.3](/compare/glm-5-3-vs-kimi-2-6)
- [GLM-5.3-Flash vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3-flash)
- [Kimi K2.6 vs GLM-5.2](/compare/glm-5-2-vs-kimi-2-6)

## Explore More

- [GLM-5.3-Flash profile](/models/glm-5-3-flash)
- [Kimi K2.6 profile](/models/kimi-2-6)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)