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

Both are developed by OpenAI but target different use cases. OpenAI: GPT-5.6 Sol has a 1.1M token context window vs OpenAI: GPT-5.6 Terra's 1.1M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

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

It depends on your use case. OpenAI: GPT-5.6 Sol and OpenAI: GPT-5.6 Terra each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does OpenAI: GPT-5.6 Sol cost compared to OpenAI: GPT-5.6 Terra?

OpenAI: GPT-5.6 Sol costs $5/M input tokens and OpenAI: GPT-5.6 Terra costs $2.5/M input tokens. OpenAI: GPT-5.6 Terra is $2.50/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 OpenAI: GPT-5.6 Sol and OpenAI: GPT-5.6 Terra on Rival?

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

Both are developed by OpenAI but target different use cases. OpenAI: GPT-5.6 Sol has a 1.1M token context window vs OpenAI: GPT-5.6 Terra's 1.1M. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

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

It depends on your use case. OpenAI: GPT-5.6 Sol and OpenAI: GPT-5.6 Terra each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does OpenAI: GPT-5.6 Sol cost compared to OpenAI: GPT-5.6 Terra?

OpenAI: GPT-5.6 Sol costs $5/M input tokens and OpenAI: GPT-5.6 Terra costs $2.5/M input tokens. OpenAI: GPT-5.6 Terra is $2.50/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 OpenAI: GPT-5.6 Sol and OpenAI: GPT-5.6 Terra on Rival?

This page shows a side-by-side comparison of OpenAI: GPT-5.6 Sol 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.

OpenAI: GPT-5.6 Sol vs OpenAI: GPT-5.6 Terra: Which Is Better?

Updated Jul 2026

Our Verdict

OpenAI: GPT-5.6 Sol

OpenAI: GPT-5.6 TerraRunner-up

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

Too close to call

API pricing

Cost per 1M tokens

OpenAI: GPT-5.6 Sol

Input

$5.00

Output

$30.00

OpenAI: GPT-5.6 Terra

Input

$2.50

2.0× cheaper

Output

$15.00

2.0× cheaper

OpenAI: GPT-5.6 Terra is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

93%

OpenAI: GPT-5.6 Sol uses 3.3x more emoji

OpenAI: GPT-5.6 Sol

OpenAI: GPT-5.6 Terra

63%Vocabulary57%

15wSentence Length18w

0.79Hedging0.85

3.4Bold2.8

3.8Lists4.6

0.03Emoji0.00

0.95Headings1.12

0.08Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

OpenAI: GPT-5.6 Sol 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

OpenAI: GPT-5.6 Terra vs MiniMax M3New provider

OpenAI: GPT-5.6 Terra vs Claude Opus 4.1New provider

OpenAI: GPT-5.6 Terra vs GPT-5Version compare

Updated Jul 2026

Our Verdict

OpenAI: GPT-5.6 Sol

OpenAI: GPT-5.6 TerraRunner-up

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

Too close to call

API pricing

Cost per 1M tokens

OpenAI: GPT-5.6 Sol

Input

$5.00

Output

$30.00

OpenAI: GPT-5.6 Terra

Input

$2.50

2.0× cheaper

Output

$15.00

2.0× cheaper

OpenAI: GPT-5.6 Terra is cheaper on both — 2.0× input, 2.0× output

Writing DNA

Style Comparison

Similarity

93%

OpenAI: GPT-5.6 Sol uses 3.3x more emoji

OpenAI: GPT-5.6 Sol

OpenAI: GPT-5.6 Terra

63%Vocabulary57%

15wSentence Length18w

0.79Hedging0.85

3.4Bold2.8

3.8Lists4.6

0.03Emoji0.00

0.95Headings1.12

0.08Transitions0.06

Based on 27 + 27 text responses

Research

What we learned reading every model

OpenAI: GPT-5.6 Sol 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

OpenAI: GPT-5.6 Terra vs MiniMax M3New provider

OpenAI: GPT-5.6 Terra vs Claude Opus 4.1New provider

OpenAI: GPT-5.6 Terra vs GPT-5Version compare