Question 1

How much does Nova 2.0 Pro Reasoning cost?

Accepted Answer

Nova 2.0 Pro Reasoning costs $1.25 per 1 million input tokens and $10 per 1 million output tokens. This pricing is set by Amazon.

Question 2

What tokenizer does Nova 2.0 Pro Reasoning use?

Accepted Answer

Nova 2.0 Pro Reasoning uses the cl100k_base tokenizer. This tokenizer has a vocabulary of ~100,000 tokens and is widely used across many models.

Question 3

What is Nova 2.0 Pro Reasoning's context window?

Accepted Answer

Nova 2.0 Pro Reasoning supports a context window of 128K tokens (128,000 tokens). The maximum output length is 33K tokens.

Question 4

How does Nova 2.0 Pro Reasoning compare to other models?

Accepted Answer

You can compare Nova 2.0 Pro Reasoning's pricing and capabilities against other LLMs in the comparison table above, or visit the full pricing page for a side-by-side view of all models.

Question 5

How do I count tokens for Nova 2.0 Pro Reasoning?

Accepted Answer

Use the token counter at the top of this page or visit the homepage calculator. Paste your text and it will show the exact token count and cost for Nova 2.0 Pro Reasoning using the cl100k_base tokenizer.

Model	Input / 1M	Output / 1M	Context	Max Output
Nova 2.0 Pro Reasoning	$1.25	$10	128K	33K
Nova 2.0 Lite	$0.3	$2.5	128K	33K
GPT-5.1	$1.25	$10	400K	16K
Gemini 2.5 Pro	$1.25	$10	1.0M	66K

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