What is the difference between ChatGPT-4o (March 2025) and DeepSeek V3.2?

ChatGPT-4o (March 2025) is developed by OpenAI while DeepSeek V3.2 is developed by DeepSeek. ChatGPT-4o (March 2025) has a 128K token context window vs DeepSeek V3.2's 131K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or DeepSeek V3.2?

It depends on your use case. ChatGPT-4o (March 2025) and DeepSeek V3.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to DeepSeek V3.2?

ChatGPT-4o (March 2025) costs $5/M input tokens and DeepSeek V3.2 costs $0.28/M input tokens. DeepSeek V3.2 is $4.72/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 ChatGPT-4o (March 2025) and DeepSeek V3.2 on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) and DeepSeek V3.2 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 ChatGPT-4o (March 2025) and DeepSeek V3.2?

ChatGPT-4o (March 2025) is developed by OpenAI while DeepSeek V3.2 is developed by DeepSeek. ChatGPT-4o (March 2025) has a 128K token context window vs DeepSeek V3.2's 131K. You can compare their actual outputs across 32 challenges on Rival to see how they differ in practice.

Which is better, ChatGPT-4o (March 2025) or DeepSeek V3.2?

It depends on your use case. ChatGPT-4o (March 2025) and DeepSeek V3.2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 32 challenges so you can judge which fits your needs best.

How much does ChatGPT-4o (March 2025) cost compared to DeepSeek V3.2?

ChatGPT-4o (March 2025) costs $5/M input tokens and DeepSeek V3.2 costs $0.28/M input tokens. DeepSeek V3.2 is $4.72/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 ChatGPT-4o (March 2025) and DeepSeek V3.2 on Rival?

This page shows a side-by-side comparison of ChatGPT-4o (March 2025) and DeepSeek V3.2 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.

ChatGPT-4o (March 2025) vs DeepSeek V3.2: Which Is Better?

Updated Dec 2025

Our Verdict

ChatGPT-4o (March 2025)

DeepSeek V3.2

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

DeepSeek V3.2 is 36x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

DeepSeek V3.2

Input

$0.28

18× cheaper

Output

$0.42

36× cheaper

DeepSeek V3.2 is cheaper on both — 18× input, 36× output

Writing DNA

Style Comparison

Similarity

66%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

DeepSeek V3.2

55%Vocabulary52%

24wSentence Length31w

0.52Hedging0.58

3.3Bold6.3

6.0Lists5.4

0.94Emoji0.00

0.63Headings0.80

0.05Transitions0.13

Based on 15 + 24 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) and DeepSeek V3.2 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

ChatGPT-4o (March 2025) vs MiniMax M3New provider

DeepSeek V3.2 vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Grok 3New provider

Updated Dec 2025

Our Verdict

ChatGPT-4o (March 2025)

DeepSeek V3.2

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

DeepSeek V3.2 is 36x cheaper per token — worth considering if cost matters.

Too close to call

API pricing

Cost per 1M tokens

ChatGPT-4o (March 2025)

Input

$5.00

Output

$15.00

DeepSeek V3.2

Input

$0.28

18× cheaper

Output

$0.42

36× cheaper

DeepSeek V3.2 is cheaper on both — 18× input, 36× output

Writing DNA

Style Comparison

Similarity

66%

ChatGPT-4o (March 2025) uses 94.5x more emoji

ChatGPT-4o (March 2025)

DeepSeek V3.2

55%Vocabulary52%

24wSentence Length31w

0.52Hedging0.58

3.3Bold6.3

6.0Lists5.4

0.94Emoji0.00

0.63Headings0.80

0.05Transitions0.13

Based on 15 + 24 text responses

Research

What we learned reading every model

ChatGPT-4o (March 2025) and DeepSeek V3.2 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

ChatGPT-4o (March 2025) vs MiniMax M3New provider

DeepSeek V3.2 vs Llama 4 MaverickNew provider

ChatGPT-4o (March 2025) vs Grok 3New provider