What is the difference between Claude Opus 4.1 and Nemotron 3.5 Lightning?

Claude Opus 4.1 is developed by Anthropic while Nemotron 3.5 Lightning is developed by NVIDIA. Claude Opus 4.1 has a 200K token context window vs Nemotron 3.5 Lightning's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.1 or Nemotron 3.5 Lightning?

It depends on your use case. Claude Opus 4.1 and Nemotron 3.5 Lightning each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.1 cost compared to Nemotron 3.5 Lightning?

Claude Opus 4.1 costs $15/M input tokens and Nemotron 3.5 Lightning costs $0.08/M input tokens. Nemotron 3.5 Lightning is $14.92/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Opus 4.1 and Nemotron 3.5 Lightning on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and Nemotron 3.5 Lightning 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.

What is the difference between Claude Opus 4.1 and Nemotron 3.5 Lightning?

Claude Opus 4.1 is developed by Anthropic while Nemotron 3.5 Lightning is developed by NVIDIA. Claude Opus 4.1 has a 200K token context window vs Nemotron 3.5 Lightning's 1.0M. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.1 or Nemotron 3.5 Lightning?

It depends on your use case. Claude Opus 4.1 and Nemotron 3.5 Lightning each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 53 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.1 cost compared to Nemotron 3.5 Lightning?

Claude Opus 4.1 costs $15/M input tokens and Nemotron 3.5 Lightning costs $0.08/M input tokens. Nemotron 3.5 Lightning is $14.92/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Opus 4.1 and Nemotron 3.5 Lightning on Rival?

This page shows a side-by-side comparison of Claude Opus 4.1 and Nemotron 3.5 Lightning 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.

Claude Opus 4.1 vs Nemotron 3.5 Lightning: Which Is Better?

Updated Aug 2026

Our Verdict

Claude Opus 4.1

Nemotron 3.5 Lightning

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Nemotron 3.5 Lightning is 375x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 4.1 and Nemotron 3.5 Lightning say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

Nemotron 3.5 Lightning

Input

$0.08

188× cheaper

Output

$0.20

375× cheaper

Nemotron 3.5 Lightning is cheaper on both — 188× input, 375× output

Writing DNA

Style Comparison

Similarity

34%

Claude Opus 4.1 uses 6.1x more emoji

Claude Opus 4.1

Nemotron 3.5 Lightning

61%Vocabulary55%

87wSentence Length16w

0.54Hedging0.45

5.1Bold4.6

6.7Lists3.2

0.38Emoji0.06

1.68Headings0.50

0.13Transitions0.11

Based on 17 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Nemotron 3.5 Lightning vs MiniMax M3New provider

Nemotron 3.5 Lightning vs GPT-5New provider

Nemotron 3.5 Lightning vs Llama 4 MaverickNew provider

Updated Aug 2026

Our Verdict

Claude Opus 4.1

Nemotron 3.5 Lightning

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Nemotron 3.5 Lightning is 375x cheaper per token — worth considering if cost matters.

Too close to call

What do Claude Opus 4.1 and Nemotron 3.5 Lightning say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude Opus 4.1

Input

$15.00

Output

$75.00

Nemotron 3.5 Lightning

Input

$0.08

188× cheaper

Output

$0.20

375× cheaper

Nemotron 3.5 Lightning is cheaper on both — 188× input, 375× output

Writing DNA

Style Comparison

Similarity

34%

Claude Opus 4.1 uses 6.1x more emoji

Claude Opus 4.1

Nemotron 3.5 Lightning

61%Vocabulary55%

87wSentence Length16w

0.54Hedging0.45

5.1Bold4.6

6.7Lists3.2

0.38Emoji0.06

1.68Headings0.50

0.13Transitions0.11

Based on 17 + 27 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Nemotron 3.5 Lightning vs MiniMax M3New provider

Nemotron 3.5 Lightning vs GPT-5New provider

Nemotron 3.5 Lightning vs Llama 4 MaverickNew provider