Model Comparison

Nemotron 3 Ultra (550B A55B) vs GLM-5.2Which is better in 2026?

GLM-5.2 significantly outperforms across most benchmarks.

Verdict: Nemotron 3 Ultra (550B A55B) vs GLM-5.2 — which is better?

Nemotron 3 Ultra (550B A55B) (by NVIDIA) and GLM-5.2 (by Zhipu AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Nemotron 3 Ultra (550B A55B) outperforms in 1 benchmarks (IMO-AnswerBench), while GLM-5.2 is better at 4 benchmarks (CritPT, GPQA, Humanity's Last Exam, Terminal-Bench 2.1). GLM-5.2 significantly outperforms across most benchmarks.

Choose Nemotron 3 Ultra (550B A55B) if…

  • you are already invested in the NVIDIA ecosystem

Choose GLM-5.2 if…

  • you want the strongest raw capability — it leads on 4 of 5 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Nemotron 3 Ultra (550B A55B) outperforms in 1 benchmarks (IMO-AnswerBench), while GLM-5.2 is better at 4 benchmarks (CritPT, GPQA, Humanity's Last Exam, Terminal-Bench 2.1).

GLM-5.2 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

203.0B diff

GLM-5.2 has 203.0B more parameters than Nemotron 3 Ultra (550B A55B), making it 36.9% larger.

NVIDIA
Nemotron 3 Ultra (550B A55B)
550.0Bparameters
Zhipu AI
GLM-5.2
753.0Bparameters
550.0B
Nemotron 3 Ultra (550B A55B)
753.0B
GLM-5.2

Context Window

Maximum input and output token capacity

Only GLM-5.2 specifies input context (1,048,576 tokens). Only GLM-5.2 specifies output context (131,072 tokens).

NVIDIA
Nemotron 3 Ultra (550B A55B)
Input- tokens
Output- tokens
Zhipu AI
GLM-5.2
Input1,048,576 tokens
Output131,072 tokens
Fri Jul 17 2026 • llm-stats.com

License

Usage and distribution terms

Nemotron 3 Ultra (550B A55B) is licensed under OpenMDW License v1.1, while GLM-5.2 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

GLM-5.2

MIT

Open weights

Release Timeline

When each model was launched

Nemotron 3 Ultra (550B A55B) was released on 2026-06-04, while GLM-5.2 was released on 2026-06-16.

GLM-5.2 is 0 month newer than Nemotron 3 Ultra (550B A55B).

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

1 months ago

GLM-5.2

Jun 16, 2026

1 months ago

1w newer

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while GLM-5.2's cutoff date is not specified.

We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without GLM-5.2's cutoff date.

Nemotron 3 Ultra (550B A55B)

Sep 2025

GLM-5.2

—

Outputs Comparison

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Key Takeaways

NVIDIA
Higher IMO-AnswerBench score (92.3% vs 91.0%)
Zhipu AI
Larger context window (1,048,576 tokens)
Higher CritPT score (16.7% vs 3.1%)
Higher GPQA score (91.2% vs 87.0%)
Higher Humanity's Last Exam score (54.7% vs 37.4%)
Higher Terminal-Bench 2.1 score (82.7% vs 56.4%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Nemotron 3 Ultra (550B A55B) and GLM-5.2 side-by-side, then vote on the output you prefer.

Nemotron 3 Ultra (550B A55B)
✓ Preferred
GLM-5.2
Open in Playground
AI Model Comparison Table
Feature
NVIDIA
Nemotron 3 Ultra (550B A55B)
Zhipu AI
GLM-5.2

FAQ

Common questions about Nemotron 3 Ultra (550B A55B) vs GLM-5.2.

Which is better, Nemotron 3 Ultra (550B A55B) or GLM-5.2?

GLM-5.2 significantly outperforms across most benchmarks. Nemotron 3 Ultra (550B A55B) is made by NVIDIA and GLM-5.2 is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Nemotron 3 Ultra (550B A55B) compare to GLM-5.2 in benchmarks?

Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%. GLM-5.2 scores AIME 2026: 99.2%, HMMT 2025: 94.4%, HMMT Feb 26: 92.5%, GPQA: 91.2%, IMO-AnswerBench: 91.0%.

What are the context window sizes for Nemotron 3 Ultra (550B A55B) and GLM-5.2?

Nemotron 3 Ultra (550B A55B) supports an unknown number of tokens and GLM-5.2 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Nemotron 3 Ultra (550B A55B) and GLM-5.2?

Key differences include licensing (OpenMDW License v1.1 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Nemotron 3 Ultra (550B A55B) and GLM-5.2?

Nemotron 3 Ultra (550B A55B) is developed by NVIDIA and GLM-5.2 is developed by Zhipu AI.

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