What is the difference between Claude 2 and GPT-5.1-Codex-Mini?

Claude 2 is developed by Anthropic while GPT-5.1-Codex-Mini is developed by OpenAI. Claude 2 has a 100K token context window vs GPT-5.1-Codex-Mini's 400K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

Which is better, Claude 2 or GPT-5.1-Codex-Mini?

It depends on your use case. Claude 2 and GPT-5.1-Codex-Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

How much does Claude 2 cost compared to GPT-5.1-Codex-Mini?

Claude 2 costs $11.02/M input tokens and GPT-5.1-Codex-Mini costs $1.5/M input tokens. GPT-5.1-Codex-Mini is $9.52/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 Claude 2 and GPT-5.1-Codex-Mini on Rival?

This page shows a side-by-side comparison of Claude 2 and GPT-5.1-Codex-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 Claude 2 and GPT-5.1-Codex-Mini?

Claude 2 is developed by Anthropic while GPT-5.1-Codex-Mini is developed by OpenAI. Claude 2 has a 100K token context window vs GPT-5.1-Codex-Mini's 400K. You can compare their actual outputs across 5 challenges on Rival to see how they differ in practice.

Which is better, Claude 2 or GPT-5.1-Codex-Mini?

It depends on your use case. Claude 2 and GPT-5.1-Codex-Mini each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 5 challenges so you can judge which fits your needs best.

How much does Claude 2 cost compared to GPT-5.1-Codex-Mini?

Claude 2 costs $11.02/M input tokens and GPT-5.1-Codex-Mini costs $1.5/M input tokens. GPT-5.1-Codex-Mini is $9.52/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 Claude 2 and GPT-5.1-Codex-Mini on Rival?

This page shows a side-by-side comparison of Claude 2 and GPT-5.1-Codex-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.

Claude 2 vs GPT-5.1-Codex-Mini: Which Is Better?

Updated Nov 2025

Our Verdict

GPT-5.1-Codex-Mini

Claude 2Runner-up

No community votes yet. On paper, GPT-5.1-Codex-Mini has the edge — bigger model tier, newer, bigger context window.

GPT-5.1-Codex-Mini is 5.4x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude 2

Input

$11.02

Output

$32.68

GPT-5.1-Codex-Mini

Input

$1.50

7.3× cheaper

Output

$6.00

5.4× cheaper

GPT-5.1-Codex-Mini is cheaper on both — 7.3× input, 5.4× output

Writing DNA

Style Comparison

Similarity

70%

GPT-5.1-Codex-Mini uses 56.4x more hedging

Claude 2

GPT-5.1-Codex-Mini

65%Vocabulary65%

13wSentence Length20w

0.00Hedging0.56

0.0Bold3.3

10.2Lists3.4

0.00Emoji0.00

0.00Headings0.08

0.00Transitions0.05

Based on 2 + 13 text responses

Research

What we learned reading every model

Claude 2 and GPT-5.1-Codex-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

Claude 2 vs MiniMax M3New provider

Claude 2 vs Grok 3New provider

Claude 2 vs Llama 4 MaverickNew provider

Updated Nov 2025

Our Verdict

GPT-5.1-Codex-Mini

Claude 2Runner-up

No community votes yet. On paper, GPT-5.1-Codex-Mini has the edge — bigger model tier, newer, bigger context window.

GPT-5.1-Codex-Mini is 5.4x cheaper per token — worth considering if cost matters.

Slight edge

API pricing

Cost per 1M tokens

Claude 2

Input

$11.02

Output

$32.68

GPT-5.1-Codex-Mini

Input

$1.50

7.3× cheaper

Output

$6.00

5.4× cheaper

GPT-5.1-Codex-Mini is cheaper on both — 7.3× input, 5.4× output

Writing DNA

Style Comparison

Similarity

70%

GPT-5.1-Codex-Mini uses 56.4x more hedging

Claude 2

GPT-5.1-Codex-Mini

65%Vocabulary65%

13wSentence Length20w

0.00Hedging0.56

0.0Bold3.3

10.2Lists3.4

0.00Emoji0.00

0.00Headings0.08

0.00Transitions0.05

Based on 2 + 13 text responses

Research

What we learned reading every model

Claude 2 and GPT-5.1-Codex-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

Claude 2 vs MiniMax M3New provider

Claude 2 vs Grok 3New provider

Claude 2 vs Llama 4 MaverickNew provider