What is the difference between OpenAI: GPT-5.6 Sol and o3 Mini?

Both are developed by OpenAI but target different use cases. OpenAI: GPT-5.6 Sol has a 1.1M token context window vs o3 Mini's 64K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, OpenAI: GPT-5.6 Sol or o3 Mini?

It depends on your use case. OpenAI: GPT-5.6 Sol and o3 Mini 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: GPT-5.6 Sol cost compared to o3 Mini?

OpenAI: GPT-5.6 Sol costs $5/M input tokens and o3 Mini costs $1.1/M input tokens. o3 Mini is $3.90/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: GPT-5.6 Sol and o3 Mini on Rival?

This page shows a side-by-side comparison of OpenAI: GPT-5.6 Sol and o3 Mini 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: GPT-5.6 Sol and o3 Mini?

Both are developed by OpenAI but target different use cases. OpenAI: GPT-5.6 Sol has a 1.1M token context window vs o3 Mini's 64K. You can compare their actual outputs across 53 challenges on Rival to see how they differ in practice.

Which is better, OpenAI: GPT-5.6 Sol or o3 Mini?

It depends on your use case. OpenAI: GPT-5.6 Sol and o3 Mini 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: GPT-5.6 Sol cost compared to o3 Mini?

OpenAI: GPT-5.6 Sol costs $5/M input tokens and o3 Mini costs $1.1/M input tokens. o3 Mini is $3.90/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: GPT-5.6 Sol and o3 Mini on Rival?

This page shows a side-by-side comparison of OpenAI: GPT-5.6 Sol and o3 Mini 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: GPT-5.6 Sol vs o3 Mini: Which Is Better?

Updated Jul 2026

Our Verdict

OpenAI: GPT-5.6 Sol

o3 MiniRunner-up

No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — bigger model tier, newer, bigger context window.

o3 Mini is 6.8x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

OpenAI: GPT-5.6 Sol

Input

$5.00

Output

$30.00

o3 Mini

Input

$1.10

4.5× cheaper

Output

$4.40

6.8× cheaper

o3 Mini is cheaper on both — 4.5× input, 6.8× output

Writing DNA

Style Comparison

Similarity

75%

OpenAI: GPT-5.6 Sol uses 3.3x more emoji

OpenAI: GPT-5.6 Sol

o3 Mini

63%Vocabulary65%

15wSentence Length17w

0.79Hedging0.74

3.4Bold3.9

3.8Lists1.7

0.03Emoji0.00

0.95Headings0.47

0.08Transitions0.38

Based on 27 + 12 text responses

Research

What we learned reading every model

OpenAI: GPT-5.6 Sol and o3 Mini 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

o3 Mini vs MiniMax M3New provider

o3 Mini vs Claude Opus 4.1New provider

o3 Mini vs GPT-5Same lab

Updated Jul 2026

Our Verdict

OpenAI: GPT-5.6 Sol

o3 MiniRunner-up

No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — bigger model tier, newer, bigger context window.

o3 Mini is 6.8x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

OpenAI: GPT-5.6 Sol

Input

$5.00

Output

$30.00

o3 Mini

Input

$1.10

4.5× cheaper

Output

$4.40

6.8× cheaper

o3 Mini is cheaper on both — 4.5× input, 6.8× output

Writing DNA

Style Comparison

Similarity

75%

OpenAI: GPT-5.6 Sol uses 3.3x more emoji

OpenAI: GPT-5.6 Sol

o3 Mini

63%Vocabulary65%

15wSentence Length17w

0.79Hedging0.74

3.4Bold3.9

3.8Lists1.7

0.03Emoji0.00

0.95Headings0.47

0.08Transitions0.38

Based on 27 + 12 text responses

Research

What we learned reading every model

OpenAI: GPT-5.6 Sol and o3 Mini 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

o3 Mini vs MiniMax M3New provider

o3 Mini vs Claude Opus 4.1New provider

o3 Mini vs GPT-5Same lab