What is the difference between Claude Opus 4.5 and NVIDIA Nemotron Nano 9B V2?

Claude Opus 4.5 is developed by Anthropic while NVIDIA Nemotron Nano 9B V2 is developed by NVIDIA. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.5 or NVIDIA Nemotron Nano 9B V2?

It depends on your use case. Claude Opus 4.5 and NVIDIA Nemotron Nano 9B V2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How can I compare Claude Opus 4.5 and NVIDIA Nemotron Nano 9B V2 on Rival?

This page shows a side-by-side comparison of Claude Opus 4.5 and NVIDIA Nemotron Nano 9B V2 across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Updated Nov 2025

Claude Opus 4.5vsNVIDIA Nemotron Nano 9B V2

Claude Opus 4.5 is the newer model, released after NVIDIA Nemotron Nano 9B V2.

Claude Opus 4.5 and NVIDIA Nemotron Nano 9B V2 compared across 54 shared prompts
Spec	Claude Opus 4.5	NVIDIA Nemotron Nano 9B V2
Input price	—	$0.04/M tokens
Output price	—	$0.16/M tokens
Context window	—	131K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Nov 2025	Sep 2025