# GLM-5.3 vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for GLM-5.3 and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-3-vs-nemotron-3-ultra
- Last updated: September 28, 2026

- Shared sourced benchmarks: 8
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.7

## Quick Verdict

Pick GLM-5.3 if you want the stronger benchmark profile. Nemotron 3 Ultra only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- GLM-5.3 leads overall 65.44 to 43.01.
- The clearest category separation is in agentic, where the averages are 67.4 for GLM-5.3 and 25.5 for Nemotron 3 Ultra.
- The biggest single benchmark swing is Terminal-Bench 2.1 in Agentic, with scores of 88.2% and 56.4%.

## Model Snapshot

| Property | GLM-5.3 | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | Z.AI | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Overall Score | 65.44 | 43.01 |
| Benchmarks Covered | 24 | 24 |
| Pricing (input/output) | $0.00 / $0.00 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: GLM-5.3
- GLM-5.3 public-lane score: 67.4 (Supported · #9/117)
- Nemotron 3 Ultra public-lane score: 25.5 (Supported · #90/117)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | 56.4% | GLM-5.3 |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| CyberGym | 84.5% | Coming soon | Coming soon |
| ExploitGym | 15.0% | Coming soon | Coming soon |
| Toolathlon-Verified | 73.0% | Coming soon | Coming soon |
| AutomationBench | 48.2% | Coming soon | Coming soon |
| Agents' Last Exam | 28.5% | Coming soon | Coming soon |
| HLE w/ tools | 62.5% | 37.4% | GLM-5.3 |
| Terminal-Bench 2.1 (Vals) | 71.5% | 50.9% | GLM-5.3 |
| PinchBench | Coming soon | 90.0% | Coming soon |
| BrowseComp | Coming soon | 44.4% | Coming soon |
| τ³-bench results | Coming soon | 70.9% | Coming soon |

### Coding

- Winner: GLM-5.3
- GLM-5.3 public-lane score: 56.8 (Supported · #24/142)
- Nemotron 3 Ultra public-lane score: 22.7 (Supported · #113/142)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 88.2% | 56.4% | GLM-5.3 |
| terminalBench3 | 28.3% | Coming soon | Coming soon |
| DeepSWE | 66.9% | Coming soon | Coming soon |
| NL2Repo | 58% | Coming soon | Coming soon |
| ProgramBench | 19.0% | Coming soon | Coming soon |
| FrontierSWE | 78.1% | Coming soon | Coming soon |
| sweMarathon | 42.5% | Coming soon | Coming soon |
| PostTrain Bench | 39.8% | Coming soon | Coming soon |
| VulcanBench v3 | 78.3% | Coming soon | Coming soon |
| OpenHarmony Bench | 60.8% | Coming soon | Coming soon |
| FrontierSWE v2 | 30.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 80.5% | 86.0% | Nemotron 3 Ultra |
| SWE-bench (Vals) | 95.4% | 69.0% | GLM-5.3 |
| SWE-bench Verified | Coming soon | 71.9% | Coming soon |
| SWE Multilingual | Coming soon | 67.7% | Coming soon |
| LiveCodeBench v6 | Coming soon | 89.0% | Coming soon |
| SciCode | Coming soon | 44.6% | Coming soon |

### Reasoning

- Winner: Directional only
- GLM-5.3 public-lane score: 77.1 (#11/27)
- Nemotron 3 Ultra public-lane score: 51.8 (#26/27)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Knowledge

- Winner: Directional only
- GLM-5.3 public-lane score: 61.9 (Supported · #35/168)
- Nemotron 3 Ultra public-lane score: 45.8 (Estimated · #76/168)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 88.1% | 86.1% | GLM-5.3 |
| MMLU-Pro (Vals) | 86.8% | 85.8% | GLM-5.3 |
| GPQA | Coming soon | 87% | Coming soon |
| GPQA-D | Coming soon | 87.0% | Coming soon |
| HLE | Coming soon | 26.7% | Coming soon |
| HLE w/o tools | Coming soon | 26.7% | Coming soon |
| MMLU-Pro | Coming soon | 86.8% | Coming soon |

### Multilingual

- Winner: Not comparable
- GLM-5.3 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 47.4 (#7/12)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Not comparable
- GLM-5.3 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 88.1 (#26/124)

| Benchmark | GLM-5.3 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.7% | Coming soon |

## FAQ

### Which is better overall, GLM-5.3 or Nemotron 3 Ultra?

GLM-5.3 is ahead overall on BenchLM right now.

### Where is the biggest gap between GLM-5.3 and Nemotron 3 Ultra?

The widest category gap is in agentic, where the averages are 67.4 for GLM-5.3 and 25.5 for Nemotron 3 Ultra.

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

GLM-5.3 currently has 24 sourced benchmark scores on BenchLM.

### How many benchmarks does Nemotron 3 Ultra cover on BenchLM?

Nemotron 3 Ultra currently has 24 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GLM-5.3 vs GLM-5.2](/compare/glm-5-2-vs-glm-5-3)
- [Nemotron 3 Ultra vs GLM-5.2](/compare/glm-5-2-vs-nemotron-3-ultra)
- [GLM-5.3 vs GLM-5.3-Flash](/compare/glm-5-3-vs-glm-5-3-flash)
- [Nemotron 3 Ultra vs GLM-5.3-Flash](/compare/glm-5-3-flash-vs-nemotron-3-ultra)

## Explore More

- [GLM-5.3 profile](/models/glm-5-3)
- [Nemotron 3 Ultra profile](/models/nemotron-3-ultra)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)