What is the difference between GPT-5.1 and Amazon Nova 2 Lite?

GPT-5.1 is developed by OpenAI while Amazon Nova 2 Lite is developed by Amazon. GPT-5.1 has a 400K token context window vs Amazon Nova 2 Lite's 1.0M. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 or Amazon Nova 2 Lite?

It depends on your use case. GPT-5.1 and Amazon Nova 2 Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does GPT-5.1 cost compared to Amazon Nova 2 Lite?

GPT-5.1 costs $1.25/M input tokens and Amazon Nova 2 Lite costs $0.5/M input tokens. Amazon Nova 2 Lite is $0.75/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-5.1 and Amazon Nova 2 Lite on Rival?

This page shows a side-by-side comparison of GPT-5.1 and Amazon Nova 2 Lite 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-5.1 and Amazon Nova 2 Lite?

GPT-5.1 is developed by OpenAI while Amazon Nova 2 Lite is developed by Amazon. GPT-5.1 has a 400K token context window vs Amazon Nova 2 Lite's 1.0M. You can compare their actual outputs across 34 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 or Amazon Nova 2 Lite?

It depends on your use case. GPT-5.1 and Amazon Nova 2 Lite each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 34 challenges so you can judge which fits your needs best.

How much does GPT-5.1 cost compared to Amazon Nova 2 Lite?

GPT-5.1 costs $1.25/M input tokens and Amazon Nova 2 Lite costs $0.5/M input tokens. Amazon Nova 2 Lite is $0.75/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-5.1 and Amazon Nova 2 Lite on Rival?

This page shows a side-by-side comparison of GPT-5.1 and Amazon Nova 2 Lite 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-5.1 vs Amazon Nova 2 Lite: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.1

Amazon Nova 2 LiteRunner-up

No community votes yet. On paper, GPT-5.1 has the edge — bigger model tier, major provider backing.

Amazon Nova 2 Lite is 6.7x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1

Input

$1.25

Output

$10.00

Amazon Nova 2 Lite

Input

$0.50

2.5× cheaper

Output

$1.50

6.7× cheaper

Amazon Nova 2 Lite is cheaper on both — 2.5× input, 6.7× output

Writing DNA

Style Comparison

Similarity

46%

Amazon Nova 2 Lite uses 59.0x more emoji

GPT-5.1

Amazon Nova 2 Lite

62%Vocabulary55%

19wSentence Length17w

0.29Hedging0.38

3.5Bold8.6

7.2Lists3.9

0.00Emoji0.59

0.61Headings1.48

0.03Transitions0.12

Based on 14 + 14 text responses

Research

What we learned reading every model

GPT-5.1 and Amazon Nova 2 Lite have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 vs MiniMax M3New provider

GPT-5.1 vs Claude Opus 4New provider

GPT-5.1 vs Gemini 2.5 Pro Preview 06-05New provider

Updated Dec 2025

Our Verdict

GPT-5.1

Amazon Nova 2 LiteRunner-up

No community votes yet. On paper, GPT-5.1 has the edge — bigger model tier, major provider backing.

Amazon Nova 2 Lite is 6.7x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

GPT-5.1

Input

$1.25

Output

$10.00

Amazon Nova 2 Lite

Input

$0.50

2.5× cheaper

Output

$1.50

6.7× cheaper

Amazon Nova 2 Lite is cheaper on both — 2.5× input, 6.7× output

Writing DNA

Style Comparison

Similarity

46%

Amazon Nova 2 Lite uses 59.0x more emoji

GPT-5.1

Amazon Nova 2 Lite

62%Vocabulary55%

19wSentence Length17w

0.29Hedging0.38

3.5Bold8.6

7.2Lists3.9

0.00Emoji0.59

0.61Headings1.48

0.03Transitions0.12

Based on 14 + 14 text responses

Research

What we learned reading every model

GPT-5.1 and Amazon Nova 2 Lite have opinions about your brand too.Ask 10 models what they tell people about you. Verbatim receipts.Run the mirror

FAQ

Common questions

Keep exploring

More comparisons

GPT-5.1 vs MiniMax M3New provider

GPT-5.1 vs Claude Opus 4New provider

GPT-5.1 vs Gemini 2.5 Pro Preview 06-05New provider