Name: zai-org/GLM-5.2
Author: zai-org

Question 1

What does this zai-org/GLM-5.2 vs Nemotron 3 Ultra 550B A55B comparison cover?

Accepted Answer

It brings together documented inputs and outputs, token limits, deployment terms and available pricing. When both models have source-linked, verified results on a shared benchmark, those results are shown with their individual sources. The comparison is a starting point for evaluating your own workload.

Question 2

Which is cheaper: zai-org/GLM-5.2 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

zai-org/GLM-5.2 lists $1.40 input and $4.40 output per 1M tokens. Nemotron 3 Ultra 550B A55B lists $0.00 input and $0.00 output. The cheaper workload depends on the mix of input and output. Long-context tiers, caching, batch processing and retries can change the bill.

Question 3

Which has the larger context window: zai-org/GLM-5.2 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

Both records list a 1M-token context window. An equal limit does not imply equal recall, instruction following, or long-context quality.

Question 4

Which is faster: zai-org/GLM-5.2 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

There is no matched speed measurement for both models with the same source, host, region and date. Test the same prompts at your expected concurrency and measure time to the first useful response as well as complete task time.

Question 5

What input and output types do zai-org/GLM-5.2 and Nemotron 3 Ultra 550B A55B support?

Accepted Answer

zai-org/GLM-5.2 records text input and text output. Nemotron 3 Ultra 550B A55B records text input and text output. “Not documented” means the current source record is incomplete; it does not prove that a modality is unsupported.

Question 6

Should I choose zai-org/GLM-5.2 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

Consider zai-org/GLM-5.2 if you need larger maximum output. Consider Nemotron 3 Ultra 550B A55B if you need a lower listed input rate or a lower listed output rate. Nemotron 3 Ultra 550B A55B offers downloadable weights; zai-org/GLM-5.2 is listed as a proprietary model. Compare licence terms and operating costs before choosing a deployment. Test both on the same representative examples and judge the output against your acceptance criteria. Include tool failures, retries and the time to a completed task.

Specification	zai-org/GLM-5.2	Nemotron 3 Ultra 550B A55B
Provider	zai-org	NVIDIA
Listed pricing route	zai-org	NVIDIA
Model family	—	nemotron
Accepted inputs	text	text
Produced outputs	text	text
Context window	1M	1M
Max output	131.07KHigher	128K
Input price / 1M	$1.40	$0.00Lower
Output price / 1M	$4.40	$0.00Lower
Reasoning mode	Documented	Documented
Tool calling	Documented	Documented
Image input	Not documented	Not documented
Audio input	Not documented	Not documented
Structured output	Not documented	Not documented
License	Not documented	Open weights

zai-org/GLM-5.2 vs Nemotron 3 Ultra 550B A55B

zai-org/GLM-5.2

Nemotron 3 Ultra 550B A55B

Key differences

Pricing, limits and capabilities

Which model should you choose?

Documentation and model profiles

Questions people ask

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