What is the difference between GPT-4.1 and Nemotron 3.5 Lightning?

GPT-4.1 is developed by OpenAI while Nemotron 3.5 Lightning is developed by NVIDIA. GPT-4.1 has a 1.0M 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, GPT-4.1 or Nemotron 3.5 Lightning?

It depends on your use case. GPT-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 GPT-4.1 cost compared to Nemotron 3.5 Lightning?

GPT-4.1 costs $2/M input tokens and Nemotron 3.5 Lightning costs $0.08/M input tokens. Nemotron 3.5 Lightning is $1.92/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 GPT-4.1 and Nemotron 3.5 Lightning on Rival?

This page shows a side-by-side comparison of GPT-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 GPT-4.1 and Nemotron 3.5 Lightning?

GPT-4.1 is developed by OpenAI while Nemotron 3.5 Lightning is developed by NVIDIA. GPT-4.1 has a 1.0M 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, GPT-4.1 or Nemotron 3.5 Lightning?

It depends on your use case. GPT-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 GPT-4.1 cost compared to Nemotron 3.5 Lightning?

GPT-4.1 costs $2/M input tokens and Nemotron 3.5 Lightning costs $0.08/M input tokens. Nemotron 3.5 Lightning is $1.92/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 GPT-4.1 and Nemotron 3.5 Lightning on Rival?

This page shows a side-by-side comparison of GPT-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.

GPT-4.1 vs Nemotron 3.5 Lightning: Which Is Better?

Updated Aug 2026

Our Verdict

GPT-4.1

Nemotron 3.5 LightningRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — bigger model tier, major provider backing.

Nemotron 3.5 Lightning is 40x cheaper per token — worth considering if cost matters.

Too close to call

What do GPT-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

GPT-4.1

Input

$2.00

Output

$8.00

Nemotron 3.5 Lightning

Input

$0.08

25× cheaper

Output

$0.20

40× cheaper

Nemotron 3.5 Lightning is cheaper on both — 25× input, 40× output

Writing DNA

Style Comparison

Similarity

25%

GPT-4.1 uses 3.8x more emoji

GPT-4.1

Nemotron 3.5 Lightning

58%Vocabulary55%

19wSentence Length16w

0.38Hedging0.45

9.0Bold4.6

6.1Lists3.2

0.24Emoji0.06

1.01Headings0.50

0.07Transitions0.11

Based on 25 + 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 Claude Opus 4New provider

Nemotron 3.5 Lightning vs Gemini 2.5 Pro Preview 06-05New provider

Updated Aug 2026

Our Verdict

GPT-4.1

Nemotron 3.5 LightningRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — bigger model tier, major provider backing.

Nemotron 3.5 Lightning is 40x cheaper per token — worth considering if cost matters.

Too close to call

What do GPT-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

GPT-4.1

Input

$2.00

Output

$8.00

Nemotron 3.5 Lightning

Input

$0.08

25× cheaper

Output

$0.20

40× cheaper

Nemotron 3.5 Lightning is cheaper on both — 25× input, 40× output

Writing DNA

Style Comparison

Similarity

25%

GPT-4.1 uses 3.8x more emoji

GPT-4.1

Nemotron 3.5 Lightning

58%Vocabulary55%

19wSentence Length16w

0.38Hedging0.45

9.0Bold4.6

6.1Lists3.2

0.24Emoji0.06

1.01Headings0.50

0.07Transitions0.11

Based on 25 + 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 Claude Opus 4New provider

Nemotron 3.5 Lightning vs Gemini 2.5 Pro Preview 06-05New provider