What is the difference between OpenAI o3 and Solar Pro 3?

OpenAI o3 is developed by OpenAI while Solar Pro 3 is developed by Upstage. You can compare their actual outputs across 39 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o3 or Solar Pro 3?

It depends on your use case. OpenAI o3 and Solar Pro 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 39 challenges so you can judge which fits your needs best.

How much does OpenAI o3 cost compared to Solar Pro 3?

OpenAI o3 costs $10/M input tokens and Solar Pro 3 costs $0/M input tokens. Solar Pro 3 is $10.00/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 OpenAI o3 and Solar Pro 3 on Rival?

This page shows a side-by-side comparison of OpenAI o3 and Solar Pro 3 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 Solar Pro 3?

OpenAI o3 is developed by OpenAI while Solar Pro 3 is developed by Upstage. You can compare their actual outputs across 39 challenges on Rival to see how they differ in practice.

Which is better, OpenAI o3 or Solar Pro 3?

It depends on your use case. OpenAI o3 and Solar Pro 3 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 39 challenges so you can judge which fits your needs best.

How much does OpenAI o3 cost compared to Solar Pro 3?

OpenAI o3 costs $10/M input tokens and Solar Pro 3 costs $0/M input tokens. Solar Pro 3 is $10.00/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 OpenAI o3 and Solar Pro 3 on Rival?

This page shows a side-by-side comparison of OpenAI o3 and Solar Pro 3 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 Solar Pro 3: Which Is Better?

Rival

Updated Jan 2026

Our Verdict

OpenAI o3

Solar Pro 3Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

OpenAI o3

Input

$10.00

Output

$40.00

Solar Pro 3

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

64%

Solar Pro 3 uses 17.3x more emoji

OpenAI o3

Solar Pro 3

68%Vocabulary50%

14wSentence Length21w

0.26Hedging0.42

0.7Bold6.5

3.0Lists2.2

0.00Emoji0.17

0.38Headings0.56

0.12Transitions0.12

Based on 16 + 18 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Solar Pro 3 vs MiniMax M3New provider

Solar Pro 3 vs Gemini 2.5 Pro Preview 06-05New provider

Solar Pro 3 vs Grok 3New provider

Rival

Updated Jan 2026

Our Verdict

OpenAI o3

Solar Pro 3Runner-up

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

Too close to call

API pricing

Cost per 1M tokens

OpenAI o3

Input

$10.00

Output

$40.00

Solar Pro 3

Input

$0.000

Output

$0.000

Writing DNA

Style Comparison

Similarity

64%

Solar Pro 3 uses 17.3x more emoji

OpenAI o3

Solar Pro 3

68%Vocabulary50%

14wSentence Length21w

0.26Hedging0.42

0.7Bold6.5

3.0Lists2.2

0.00Emoji0.17

0.38Headings0.56

0.12Transitions0.12

Based on 16 + 18 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Solar Pro 3 vs MiniMax M3New provider

Solar Pro 3 vs Gemini 2.5 Pro Preview 06-05New provider

Solar Pro 3 vs Grok 3New provider

Rival