What is the difference between GPT-4.1 and OpenAI: GPT-5.6 Terra?

Both are developed by OpenAI but target different use cases. GPT-4.1 has a 1.0M token context window vs OpenAI: GPT-5.6 Terra's 1.1M. 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 OpenAI: GPT-5.6 Terra?

It depends on your use case. GPT-4.1 and OpenAI: GPT-5.6 Terra 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 OpenAI: GPT-5.6 Terra?

GPT-4.1 costs $2/M input tokens and OpenAI: GPT-5.6 Terra costs $2.5/M input tokens. GPT-4.1 is $0.50/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 OpenAI: GPT-5.6 Terra on Rival?

This page shows a side-by-side comparison of GPT-4.1 and OpenAI: GPT-5.6 Terra 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 OpenAI: GPT-5.6 Terra?

Both are developed by OpenAI but target different use cases. GPT-4.1 has a 1.0M token context window vs OpenAI: GPT-5.6 Terra's 1.1M. 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 OpenAI: GPT-5.6 Terra?

It depends on your use case. GPT-4.1 and OpenAI: GPT-5.6 Terra 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 OpenAI: GPT-5.6 Terra?

GPT-4.1 costs $2/M input tokens and OpenAI: GPT-5.6 Terra costs $2.5/M input tokens. GPT-4.1 is $0.50/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 OpenAI: GPT-5.6 Terra on Rival?

This page shows a side-by-side comparison of GPT-4.1 and OpenAI: GPT-5.6 Terra 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 OpenAI: GPT-5.6 Terra: Which Is Better?

Updated Jul 2026

Our Verdict

GPT-4.1

OpenAI: GPT-5.6 Terra

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

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

1.3× cheaper

Output

$8.00

1.9× cheaper

OpenAI: GPT-5.6 Terra

Input

$2.50

Output

$15.00

GPT-4.1 is cheaper on both — 1.3× input, 1.9× output

Writing DNA

Style Comparison

Similarity

54%

GPT-4.1 uses 23.7x more emoji

GPT-4.1

OpenAI: GPT-5.6 Terra

58%Vocabulary57%

19wSentence Length18w

0.38Hedging0.85

9.0Bold2.8

6.1Lists4.6

0.24Emoji0.00

1.01Headings1.12

0.07Transitions0.06

Based on 25 + 27 text responses

Research

What we learned reading every model

GPT-4.1 and OpenAI: GPT-5.6 Terra 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 4New provider

GPT-4.1 vs Gemini 2.5 Pro Preview 06-05New provider

Updated Jul 2026

Our Verdict

GPT-4.1

OpenAI: GPT-5.6 Terra

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

Too close to call

API pricing

Cost per 1M tokens

GPT-4.1

Input

$2.00

1.3× cheaper

Output

$8.00

1.9× cheaper

OpenAI: GPT-5.6 Terra

Input

$2.50

Output

$15.00

GPT-4.1 is cheaper on both — 1.3× input, 1.9× output

Writing DNA

Style Comparison

Similarity

54%

GPT-4.1 uses 23.7x more emoji

GPT-4.1

OpenAI: GPT-5.6 Terra

58%Vocabulary57%

19wSentence Length18w

0.38Hedging0.85

9.0Bold2.8

6.1Lists4.6

0.24Emoji0.00

1.01Headings1.12

0.07Transitions0.06

Based on 25 + 27 text responses

Research

What we learned reading every model

GPT-4.1 and OpenAI: GPT-5.6 Terra 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 4New provider

GPT-4.1 vs Gemini 2.5 Pro Preview 06-05New provider