What is the difference between GPT-5.2 and GPT-5.3-Codex?

Both are developed by OpenAI but target different use cases. GPT-5.2 has a 400K token context window vs GPT-5.3-Codex's 400K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.2 or GPT-5.3-Codex?

It depends on your use case. GPT-5.2 and GPT-5.3-Codex each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does GPT-5.2 cost compared to GPT-5.3-Codex?

GPT-5.2 costs $1.75/M input tokens and GPT-5.3-Codex costs $1.75/M input tokens. GPT-5.3-Codex is $0.00/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 GPT-5.2 and GPT-5.3-Codex on Rival?

This page shows a side-by-side comparison of GPT-5.2 and GPT-5.3-Codex 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 GPT-5.2 and GPT-5.3-Codex?

Both are developed by OpenAI but target different use cases. GPT-5.2 has a 400K token context window vs GPT-5.3-Codex's 400K. You can compare their actual outputs across 52 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.2 or GPT-5.3-Codex?

It depends on your use case. GPT-5.2 and GPT-5.3-Codex each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 52 challenges so you can judge which fits your needs best.

How much does GPT-5.2 cost compared to GPT-5.3-Codex?

GPT-5.2 costs $1.75/M input tokens and GPT-5.3-Codex costs $1.75/M input tokens. GPT-5.3-Codex is $0.00/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 GPT-5.2 and GPT-5.3-Codex on Rival?

This page shows a side-by-side comparison of GPT-5.2 and GPT-5.3-Codex 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.

GPT-5.2 vs GPT-5.3-Codex: Which Is Better?

Updated Feb 2026

Our Verdict

GPT-5.2

GPT-5.3-Codex

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

Too close to call

API pricing

Cost per 1M tokens

GPT-5.2

Input

$1.75

Output

$14.00

GPT-5.3-Codex

Input

$1.75

Output

$14.00

Writing DNA

Style Comparison

Similarity

68%

GPT-5.2 uses 11.2x more transitions

GPT-5.2

GPT-5.3-Codex

64%Vocabulary65%

16wSentence Length23w

0.34Hedging0.51

9.4Bold6.5

3.9Lists6.2

0.06Emoji0.16

0.89Headings1.90

0.31Transitions0.03

Based on 15 + 23 text responses

Research

What we learned reading every model

GPT-5.2 and GPT-5.3-Codex 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-5.2 vs MiniMax M3New provider

GPT-5.2 vs Claude Opus 4New provider

GPT-5.2 vs Gemini 2.5 Pro Preview 06-05New provider

Updated Feb 2026

Our Verdict

GPT-5.2

GPT-5.3-Codex

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

Too close to call

API pricing

Cost per 1M tokens

GPT-5.2

Input

$1.75

Output

$14.00

GPT-5.3-Codex

Input

$1.75

Output

$14.00

Writing DNA

Style Comparison

Similarity

68%

GPT-5.2 uses 11.2x more transitions

GPT-5.2

GPT-5.3-Codex

64%Vocabulary65%

16wSentence Length23w

0.34Hedging0.51

9.4Bold6.5

3.9Lists6.2

0.06Emoji0.16

0.89Headings1.90

0.31Transitions0.03

Based on 15 + 23 text responses

Research

What we learned reading every model

GPT-5.2 and GPT-5.3-Codex 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-5.2 vs MiniMax M3New provider

GPT-5.2 vs Claude Opus 4New provider

GPT-5.2 vs Gemini 2.5 Pro Preview 06-05New provider