What is the difference between GPT-5.1 Codex Max and PaLM 2 Chat?

GPT-5.1 Codex Max is developed by OpenAI while PaLM 2 Chat is developed by Google AI. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or PaLM 2 Chat?

It depends on your use case. GPT-5.1 Codex Max and PaLM 2 Chat each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

How can I compare GPT-5.1 Codex Max and PaLM 2 Chat on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max and PaLM 2 Chat 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-5.1 Codex Max and PaLM 2 Chat?

GPT-5.1 Codex Max is developed by OpenAI while PaLM 2 Chat is developed by Google AI. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, GPT-5.1 Codex Max or PaLM 2 Chat?

It depends on your use case. GPT-5.1 Codex Max and PaLM 2 Chat each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 21 challenges so you can judge which fits your needs best.

How can I compare GPT-5.1 Codex Max and PaLM 2 Chat on Rival?

This page shows a side-by-side comparison of GPT-5.1 Codex Max and PaLM 2 Chat 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-5.1 Codex Max vs PaLM 2 Chat: Which Is Better?

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

PaLM 2 ChatRunner-up

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

Too close to call

What do GPT-5.1 Codex Max and PaLM 2 Chat say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

PaLM 2 Chat

Input

$0.50

Output

$0.50

Writing DNA

Style Comparison

Similarity

62%

PaLM 2 Chat uses 10.2x more transitions

GPT-5.1 Codex Max

PaLM 2 Chat

60%Vocabulary63%

16wSentence Length16w

0.36Hedging0.77

2.3Bold3.4

4.2Lists1.3

0.00Emoji0.00

0.12Headings0.07

0.03Transitions0.27

Based on 13 + 9 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

PaLM 2 Chat vs MiniMax M3New provider

PaLM 2 Chat vs Ox AlphaNew provider

PaLM 2 Chat vs Grok 3New provider

Updated Dec 2025

Our Verdict

GPT-5.1 Codex Max

PaLM 2 ChatRunner-up

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

Too close to call

What do GPT-5.1 Codex Max and PaLM 2 Chat say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

GPT-5.1 Codex Max

Input

—

Output

—

PaLM 2 Chat

Input

$0.50

Output

$0.50

Writing DNA

Style Comparison

Similarity

62%

PaLM 2 Chat uses 10.2x more transitions

GPT-5.1 Codex Max

PaLM 2 Chat

60%Vocabulary63%

16wSentence Length16w

0.36Hedging0.77

2.3Bold3.4

4.2Lists1.3

0.00Emoji0.00

0.12Headings0.07

0.03Transitions0.27

Based on 13 + 9 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

PaLM 2 Chat vs MiniMax M3New provider

PaLM 2 Chat vs Ox AlphaNew provider

PaLM 2 Chat vs Grok 3New provider