What is the difference between OpenAI o4-mini and Sonar Pro Search?

OpenAI o4-mini is developed by OpenAI while Sonar Pro Search is developed by Perplexity. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o4-mini or Sonar Pro Search?

It depends on your use case. OpenAI o4-mini and Sonar Pro Search 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 OpenAI o4-mini cost compared to Sonar Pro Search?

OpenAI o4-mini costs $1.1/M input tokens and Sonar Pro Search costs $3/M input tokens. OpenAI o4-mini is $1.90/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 OpenAI o4-mini and Sonar Pro Search on Rival?

This page shows a side-by-side comparison of OpenAI o4-mini and Sonar Pro Search 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 o4-mini and Sonar Pro Search?

OpenAI o4-mini is developed by OpenAI while Sonar Pro Search is developed by Perplexity. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o4-mini or Sonar Pro Search?

It depends on your use case. OpenAI o4-mini and Sonar Pro Search 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 OpenAI o4-mini cost compared to Sonar Pro Search?

OpenAI o4-mini costs $1.1/M input tokens and Sonar Pro Search costs $3/M input tokens. OpenAI o4-mini is $1.90/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 OpenAI o4-mini and Sonar Pro Search on Rival?

This page shows a side-by-side comparison of OpenAI o4-mini and Sonar Pro Search 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 o4-mini vs Sonar Pro Search: Which Is Better?

Updated Oct 2025

Our Verdict

Sonar Pro Search

OpenAI o4-miniRunner-up

No community votes yet. On paper, Sonar Pro Search has the edge — bigger model tier, newer, bigger context window.

OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

OpenAI o4-mini

Input

$1.10

2.7× cheaper

Output

$4.40

3.4× cheaper

Sonar Pro Search

Input

$3.00

Output

$15.00

OpenAI o4-mini is cheaper on both — 2.7× input, 3.4× output

Writing DNA

Style Comparison

Similarity

49%

Sonar Pro Search uses 268.7x more bold

OpenAI o4-mini

Sonar Pro Search

73%Vocabulary60%

15wSentence Length22w

0.18Hedging0.30

0.0Bold2.7

2.1Lists2.6

0.00Emoji0.00

0.00Headings2.08

0.02Transitions0.07

Based on 10 + 25 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Sonar Pro Search vs MiniMax M3New provider

Sonar Pro Search vs Claude Sonnet 4New provider

Sonar Pro Search vs xAI: Grok 4New provider

Updated Oct 2025

Our Verdict

Sonar Pro Search

OpenAI o4-miniRunner-up

No community votes yet. On paper, Sonar Pro Search has the edge — bigger model tier, newer, bigger context window.

OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

OpenAI o4-mini

Input

$1.10

2.7× cheaper

Output

$4.40

3.4× cheaper

Sonar Pro Search

Input

$3.00

Output

$15.00

OpenAI o4-mini is cheaper on both — 2.7× input, 3.4× output

Writing DNA

Style Comparison

Similarity

49%

Sonar Pro Search uses 268.7x more bold

OpenAI o4-mini

Sonar Pro Search

73%Vocabulary60%

15wSentence Length22w

0.18Hedging0.30

0.0Bold2.7

2.1Lists2.6

0.00Emoji0.00

0.00Headings2.08

0.02Transitions0.07

Based on 10 + 25 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Sonar Pro Search vs MiniMax M3New provider

Sonar Pro Search vs Claude Sonnet 4New provider

Sonar Pro Search vs xAI: Grok 4New provider