What is the difference between OpenAI o3 and GPT-1?

Both are developed by OpenAI but target different use cases. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o3 or GPT-1?

It depends on your use case. OpenAI o3 and GPT-1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

How can I compare OpenAI o3 and GPT-1 on Rival?

This page shows a side-by-side comparison of OpenAI o3 and GPT-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 OpenAI o3 and GPT-1?

Both are developed by OpenAI but target different use cases. You can compare their actual outputs across 7 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o3 or GPT-1?

It depends on your use case. OpenAI o3 and GPT-1 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 7 challenges so you can judge which fits your needs best.

How can I compare OpenAI o3 and GPT-1 on Rival?

This page shows a side-by-side comparison of OpenAI o3 and GPT-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.

OpenAI o3 vs GPT-1: Which Is Better?

Updated Apr 2025

Our Verdict

OpenAI o3

GPT-1Runner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

OpenAI o3

Input

$10.00

Output

$40.00

GPT-1

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

57%

OpenAI o3 uses 69.5x more bold

OpenAI o3

GPT-1

68%Vocabulary65%

14wSentence Length14w

0.26Hedging0.27

0.7Bold0.0

3.0Lists0.3

0.00Emoji0.00

0.38Headings0.00

0.12Transitions0.41

Based on 16 + 7 text responses

Research

What we learned reading every model

OpenAI o3 and GPT-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-1 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-1 vs MiniMax M3New provider

GPT-1 vs Grok 3New provider

Updated Apr 2025

Our Verdict

OpenAI o3

GPT-1Runner-up

No community votes yet. On paper, OpenAI o3 has the edge — bigger model tier, newer.

Too close to call

API pricing

Cost per 1M tokens

OpenAI o3

Input

$10.00

Output

$40.00

GPT-1

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

57%

OpenAI o3 uses 69.5x more bold

OpenAI o3

GPT-1

68%Vocabulary65%

14wSentence Length14w

0.26Hedging0.27

0.7Bold0.0

3.0Lists0.3

0.00Emoji0.00

0.38Headings0.00

0.12Transitions0.41

Based on 16 + 7 text responses

Research

What we learned reading every model

OpenAI o3 and GPT-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-1 vs Gemini 2.5 Pro Preview 06-05New provider

GPT-1 vs MiniMax M3New provider

GPT-1 vs Grok 3New provider