# GLM-5.1 vs Nemotron 3 Ultra

> Side-by-side benchmark comparison for GLM-5.1 and Nemotron 3 Ultra across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/glm-5-1-vs-nemotron-3-ultra
- Last updated: October 15, 2026

- Shared sourced benchmarks: 10
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

GLM-5.1 leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- GLM-5.1 has the higher overall point estimate 56.27 to 47.12. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in coding, where the averages are 47.3 for GLM-5.1 and 21.9 for Nemotron 3 Ultra.
- The biggest single benchmark swing is BrowseComp in Agentic, with scores of 68% and 44.4%.
- Nemotron 3 Ultra is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Nemotron 3 Ultra also has the larger context window at 1M.

## Model Snapshot

| Property | GLM-5.1 | Nemotron 3 Ultra |
|----------|----------|----------|
| Creator | Z.AI | NVIDIA |
| Type | Open Weight | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 203K | 1M |
| Overall Score | 56.27 | 47.12 |
| Benchmarks Covered | 27 | 24 |
| Pricing (input/output) | $1.40 / $4.40 | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Directional only
- GLM-5.1 public-lane score: 43.6 (Estimated · #61/126)
- Nemotron 3 Ultra public-lane score: 28 (Supported · #95/126)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 63.5% | Coming soon | Coming soon |
| BrowseComp | 68% | 44.4% | GLM-5.1 |
| τ³-bench results | 70.6% | 70.9% | Nemotron 3 Ultra |
| MCP Atlas | 71.8% | Coming soon | Coming soon |
| CyberGym | 68.7% | Coming soon | Coming soon |
| Claw-Eval | 62.3% | Coming soon | Coming soon |
| Gert Labs | 60.11% | Coming soon | Coming soon |
| ResearchClawBench | 18.2% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 56.9% | 50.9% | GLM-5.1 |
| HLE w/ tools | 52.3% | 37.4% | GLM-5.1 |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |
| PinchBench | Coming soon | 90.0% | Coming soon |

### Coding

- Winner: GLM-5.1
- GLM-5.1 public-lane score: 47.3 (Supported · #48/149)
- Nemotron 3 Ultra public-lane score: 21.9 (Supported · #115/149)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Pro | 58.4% | Coming soon | Coming soon |
| NL2Repo | 42.7% | Coming soon | Coming soon |
| 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% | 86.0% | Nemotron 3 Ultra |
| SWE-bench (Vals) | 76.4% | 69.0% | GLM-5.1 |
| 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 |
| Terminal-Bench 2.1 | Coming soon | 56.4% | Coming soon |

### Reasoning

- Winner: Not comparable
- GLM-5.1 public-lane score: 76.5 (Unranked · 2 rankable rows)
- Nemotron 3 Ultra public-lane score: 70.8 (#20/29)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 3.1% | Coming soon |
| LongBench v2 | Coming soon | 61.9% | Coming soon |

### Knowledge

- Winner: Directional only
- GLM-5.1 public-lane score: 52.7 (Supported · #69/182)
- Nemotron 3 Ultra public-lane score: 50.3 (Estimated · #78/182)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | 86.2% | 87.0% | Nemotron 3 Ultra |
| HLE | 31% | 26.7% | GLM-5.1 |
| GPQA Diamond (Vals) | 84.5% | 86.1% | Nemotron 3 Ultra |
| MMLU-Pro (Vals) | 86.9% | 85.8% | GLM-5.1 |
| GPQA | Coming soon | 87% | 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-5.1 public-lane score: Coming soon
- Nemotron 3 Ultra public-lane score: 89.2 (#7/17)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 83% | Coming soon |

### Instruction Following

- Winner: Directional only
- GLM-5.1 public-lane score: 93.8 (#6/146)
- Nemotron 3 Ultra public-lane score: 92.1 (#20/146)

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 81.7% | Coming soon |

### Mathematics

- Winner: Not comparable
- GLM-5.1 public-lane score: 66.7 (#7/12)
- Nemotron 3 Ultra public-lane score: Coming soon

| Benchmark | GLM-5.1 | Nemotron 3 Ultra | 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 Nemotron 3 Ultra?

GLM-5.1 has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GLM-5.1 and Nemotron 3 Ultra?

The widest category gap is in coding, where the averages are 47.3 for GLM-5.1 and 21.9 for Nemotron 3 Ultra.

### 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 Nemotron 3 Ultra cover on BenchLM?

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

## Related Comparisons

- [GLM-5.1 vs GLM-5.3](/compare/glm-5-1-vs-glm-5-3)
- [Nemotron 3 Ultra vs GLM-5.3](/compare/glm-5-3-vs-nemotron-3-ultra)
- [GLM-5.1 vs GLM-5.2](/compare/glm-5-1-vs-glm-5-2)
- [Nemotron 3 Ultra vs GLM-5.2](/compare/glm-5-2-vs-nemotron-3-ultra)

## Explore More

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