Question 1

What does this Claude Haiku 4.5 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: Claude Haiku 4.5 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

Claude Haiku 4.5 lists $1.00 input and $5.00 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: Claude Haiku 4.5 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

Claude Haiku 4.5 lists 200K tokens and Nemotron 3 Ultra 550B A55B lists 1M. Nemotron 3 Ultra 550B A55B therefore has the larger recorded context window, but capacity alone is not a quality score.

Question 4

Which is faster: Claude Haiku 4.5 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 Claude Haiku 4.5 and Nemotron 3 Ultra 550B A55B support?

Accepted Answer

Claude Haiku 4.5 records text, image, pdf 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 Claude Haiku 4.5 or Nemotron 3 Ultra 550B A55B?

Accepted Answer

Consider Nemotron 3 Ultra 550B A55B if you need larger context or larger maximum output or a lower listed input rate or a lower listed output rate. Nemotron 3 Ultra 550B A55B offers downloadable weights; Claude Haiku 4.5 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	Claude Haiku 4.5	Nemotron 3 Ultra 550B A55B
Provider	Anthropic	NVIDIA
Listed pricing route	Anthropic	NVIDIA
Model family	claude-haiku	nemotron
Accepted inputs	text, image, pdf	text
Produced outputs	text	text
Context window	200K	1MHigher
Max output	64K	128KHigher
Input price / 1M	$1.00	$0.00Lower
Output price / 1M	$5.00	$0.00Lower
Reasoning mode	Documented	Documented
Tool calling	Documented	Documented
Image input	Documented	Not documented
Audio input	Not documented	Not documented
Structured output	Not documented	Not documented
License	Proprietary	Open weights

Claude Haiku 4.5 vs Nemotron 3 Ultra 550B A55B

Claude Haiku 4.5

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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