What is the difference between GPT-5 and GPT-5 Nano?

Both are developed by OpenAI but target different use cases. in 4 community votes on Rival, GPT-5 wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 52 challenges.

Which is better, GPT-5 or GPT-5 Nano?

Based on 4 community votes on Rival, GPT-5 wins 100% of head-to-head matchups against GPT-5 Nano. GPT-5 is strongest in Reasoning.

How are GPT-5 vs GPT-5 Nano votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 4 votes have been collected for this pair across 52 challenges. All vote data is part of Rival's open dataset.

What is the difference between GPT-5 and GPT-5 Nano?

Both are developed by OpenAI but target different use cases. in 4 community votes on Rival, GPT-5 wins 100% of head-to-head matchups. These results are based on blind head-to-head voting across 52 challenges.

Which is better, GPT-5 or GPT-5 Nano?

Based on 4 community votes on Rival, GPT-5 wins 100% of head-to-head matchups against GPT-5 Nano. GPT-5 is strongest in Reasoning.

How are GPT-5 vs GPT-5 Nano votes collected on Rival?

Rival presents both models' outputs side-by-side in blind duels. Voters see the responses but don't know which model produced each one, eliminating brand bias. 4 votes have been collected for this pair across 52 challenges. All vote data is part of Rival's open dataset.

GPT-5 vs GPT-5 Nano: Which Is Better?

Updated Aug 2025

Our Verdict

GPT-5Winner

GPT-5 NanoRunner-up

Pick GPT-5. In 4 blind votes, GPT-5 wins 100% of the time. That's not luck.

GPT-5 particularly excels in Reasoning.

Clear winner

API pricing

Cost per 1M tokens

GPT-5

Input

$1.25

Output

$10.00

GPT-5 Nano

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

96%

GPT-5 uses 18.9x more bold

GPT-5

GPT-5 Nano

65%Vocabulary59%

13wSentence Length25w

0.20Hedging0.23

0.2Bold0.0

4.6Lists4.2

0.00Emoji0.00

0.16Headings0.00

0.03Transitions0.01

Based on 16 + 14 text responses

Research

What we learned reading every model

GPT-5 and GPT-5 Nano 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-5 Nano vs MiniMax M3New provider

GPT-5 Nano vs Llama 4 MaverickNew provider

GPT-5 Nano vs Claude Opus 4New provider

Updated Aug 2025

Our Verdict

GPT-5Winner

GPT-5 NanoRunner-up

Pick GPT-5. In 4 blind votes, GPT-5 wins 100% of the time. That's not luck.

GPT-5 particularly excels in Reasoning.

Clear winner

API pricing

Cost per 1M tokens

GPT-5

Input

$1.25

Output

$10.00

GPT-5 Nano

Input

—

Output

—

Writing DNA

Style Comparison

Similarity

96%

GPT-5 uses 18.9x more bold

GPT-5

GPT-5 Nano

65%Vocabulary59%

13wSentence Length25w

0.20Hedging0.23

0.2Bold0.0

4.6Lists4.2

0.00Emoji0.00

0.16Headings0.00

0.03Transitions0.01

Based on 16 + 14 text responses

Research

What we learned reading every model

GPT-5 and GPT-5 Nano 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-5 Nano vs MiniMax M3New provider

GPT-5 Nano vs Llama 4 MaverickNew provider

GPT-5 Nano vs Claude Opus 4New provider