What is the difference between Claude Fable 5 and GPT-4.1?

Claude Fable 5 is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude Fable 5 has a 1.0M token context window vs GPT-4.1'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 Fable 5 or GPT-4.1?

It depends on your use case. Claude Fable 5 and GPT-4.1 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 Fable 5 cost compared to GPT-4.1?

Claude Fable 5 costs $10/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $8.00/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 Fable 5 and GPT-4.1 on Rival?

This page shows a side-by-side comparison of Claude Fable 5 and GPT-4.1 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 Fable 5 and GPT-4.1?

Claude Fable 5 is developed by Anthropic while GPT-4.1 is developed by OpenAI. Claude Fable 5 has a 1.0M token context window vs GPT-4.1'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 Fable 5 or GPT-4.1?

It depends on your use case. Claude Fable 5 and GPT-4.1 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 Fable 5 cost compared to GPT-4.1?

Claude Fable 5 costs $10/M input tokens and GPT-4.1 costs $2/M input tokens. GPT-4.1 is $8.00/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 Fable 5 and GPT-4.1 on Rival?

This page shows a side-by-side comparison of Claude Fable 5 and GPT-4.1 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 Fable 5 vs GPT-4.1: Which Is Better?

Updated Jun 2026

Our Verdict

Claude Fable 5

GPT-4.1

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

GPT-4.1 is 6.3x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Fable 5

Input

$10.00

Output

$50.00

GPT-4.1

Input

$2.00

5.0× cheaper

Output

$8.00

6.3× cheaper

GPT-4.1 is cheaper on both — 5.0× input, 6.3× output

Writing DNA

Style Comparison

Similarity

45%

Claude Fable 5 uses 2.5x more emoji

Claude Fable 5

GPT-4.1

60%Vocabulary58%

22wSentence Length19w

0.49Hedging0.38

4.0Bold9.0

3.5Lists6.1

0.58Emoji0.24

1.09Headings1.01

0.05Transitions0.07

Based on 27 + 25 text responses

Research

What we learned reading every model

Claude Fable 5 and GPT-4.1 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-4.1 vs MiniMax M3New provider

GPT-4.1 vs Claude Opus 4.1Cross-provider

Claude Fable 5 vs GPT-5Cross-provider

Updated Jun 2026

Our Verdict

Claude Fable 5

GPT-4.1

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

GPT-4.1 is 6.3x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

Claude Fable 5

Input

$10.00

Output

$50.00

GPT-4.1

Input

$2.00

5.0× cheaper

Output

$8.00

6.3× cheaper

GPT-4.1 is cheaper on both — 5.0× input, 6.3× output

Writing DNA

Style Comparison

Similarity

45%

Claude Fable 5 uses 2.5x more emoji

Claude Fable 5

GPT-4.1

60%Vocabulary58%

22wSentence Length19w

0.49Hedging0.38

4.0Bold9.0

3.5Lists6.1

0.58Emoji0.24

1.09Headings1.01

0.05Transitions0.07

Based on 27 + 25 text responses

Research

What we learned reading every model

Claude Fable 5 and GPT-4.1 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-4.1 vs MiniMax M3New provider

GPT-4.1 vs Claude Opus 4.1Cross-provider

Claude Fable 5 vs GPT-5Cross-provider