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GLM-5.2 vs Nemotron 3 Ultra (550B A55B)

GLM-5.2 leads the LLM Stats Score 46.5 to 37.0.

Zhipu AI · NVIDIA · Updated for 2026

Which is better?

GLM-5.2 leads the overall LLM Stats Score 46.5 to 37.0, ranking #22 overall.

In the 5 individual benchmarks reported for both models, GLM-5.2 wins 4; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GLM-5.2

  • overall performance matters — it scores 46.5 and ranks #22 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results
  • you want the most recent training data — it shipped Jun 2026

Choose Nemotron 3 Ultra (550B A55B)

  • you are already invested in the NVIDIA ecosystem

At a glance

The differences that matter most.

Core performance indexes
46.5
#22
37.0
#63
45.8
#22
36.3
#67
38.1
#21
22.1
#72
32.0
#25
13.4
#86
Cost, coverage & limits
Benchmark wins
4 of 5
1 of 5
Input price
$0.95 / M
— / M
Output price
$3.00 / M
— / M
Context window
1,048,576

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
GLM-5.2
Nemotron 3 Ultra (550B A55B)
41.8#5
36.4#37
23.6#36
7.4#132
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

19 reported for GLM-5.2 · 26 for Nemotron 3 Ultra (550B A55B)

5 shared

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

GLM-5.2 significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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.

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

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).

Zhipu AI
GLM-5.2
Input1,048,576 tokens
Output131,072 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input- tokens
Output- tokens
Fri Aug 28 2026 • llm-stats.com

License

Usage and distribution terms

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

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

GLM-5.2

MIT

Open weights

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

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

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

GLM-5.2

Jun 16, 2026

2 months ago

1w newer
Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

2 months ago

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.

GLM-5.2

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

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

GLM-5.2
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground

FAQ

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

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

GLM-5.2 leads the LLM Stats Score 46.5 to 37.0. GLM-5.2 is made by Zhipu AI and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

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

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

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

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

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

Key differences include LLM Stats Score (46.5 vs 37.0), licensing (MIT vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

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

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