What is the difference between xAI: Grok 4 Fast (free) and PaLM 2 Chat?

xAI: Grok 4 Fast (free) is developed by xAI while PaLM 2 Chat is developed by Google AI. xAI: Grok 4 Fast (free) has a 2.0M token context window vs PaLM 2 Chat's 8K. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4 Fast (free) or PaLM 2 Chat?

It depends on your use case. xAI: Grok 4 Fast (free) 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 much does xAI: Grok 4 Fast (free) cost compared to PaLM 2 Chat?

xAI: Grok 4 Fast (free) costs $0/M input tokens and PaLM 2 Chat costs $0.5/M input tokens. xAI: Grok 4 Fast (free) is $0.50/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 xAI: Grok 4 Fast (free) and PaLM 2 Chat on Rival?

This page shows a side-by-side comparison of xAI: Grok 4 Fast (free) 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 xAI: Grok 4 Fast (free) and PaLM 2 Chat?

xAI: Grok 4 Fast (free) is developed by xAI while PaLM 2 Chat is developed by Google AI. xAI: Grok 4 Fast (free) has a 2.0M token context window vs PaLM 2 Chat's 8K. You can compare their actual outputs across 21 challenges on Rival to see how they differ in practice.

Which is better, xAI: Grok 4 Fast (free) or PaLM 2 Chat?

It depends on your use case. xAI: Grok 4 Fast (free) 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 much does xAI: Grok 4 Fast (free) cost compared to PaLM 2 Chat?

xAI: Grok 4 Fast (free) costs $0/M input tokens and PaLM 2 Chat costs $0.5/M input tokens. xAI: Grok 4 Fast (free) is $0.50/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 xAI: Grok 4 Fast (free) and PaLM 2 Chat on Rival?

This page shows a side-by-side comparison of xAI: Grok 4 Fast (free) 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.

xAI: Grok 4 Fast (free) vs PaLM 2 Chat: Which Is Better?

Updated Sep 2025

Our Verdict

xAI: Grok 4 Fast (free)

PaLM 2 ChatRunner-up

No community votes yet. On paper, xAI: Grok 4 Fast (free) has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4 Fast (free)

Input

$0.000

Output

$0.000

PaLM 2 Chat

Input

$0.50

Output

$0.50

Writing DNA

Style Comparison

Similarity

79%

xAI: Grok 4 Fast (free) uses 22.0x more headings

xAI: Grok 4 Fast (free)

PaLM 2 Chat

65%Vocabulary63%

13wSentence Length16w

0.56Hedging0.77

1.4Bold3.4

2.5Lists1.3

0.00Emoji0.00

1.58Headings0.07

0.28Transitions0.27

Based on 14 + 9 text responses

Research

What we learned reading every model

xAI: Grok 4 Fast (free) and PaLM 2 Chat 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

PaLM 2 Chat vs MiniMax M3New provider

PaLM 2 Chat vs Claude Sonnet 4New provider

PaLM 2 Chat vs xAI: Grok 4Cross-provider

Updated Sep 2025

Our Verdict

xAI: Grok 4 Fast (free)

PaLM 2 ChatRunner-up

No community votes yet. On paper, xAI: Grok 4 Fast (free) has the edge — newer, bigger context window.

Too close to call

API pricing

Cost per 1M tokens

xAI: Grok 4 Fast (free)

Input

$0.000

Output

$0.000

PaLM 2 Chat

Input

$0.50

Output

$0.50

Writing DNA

Style Comparison

Similarity

79%

xAI: Grok 4 Fast (free) uses 22.0x more headings

xAI: Grok 4 Fast (free)

PaLM 2 Chat

65%Vocabulary63%

13wSentence Length16w

0.56Hedging0.77

1.4Bold3.4

2.5Lists1.3

0.00Emoji0.00

1.58Headings0.07

0.28Transitions0.27

Based on 14 + 9 text responses

Research

What we learned reading every model

xAI: Grok 4 Fast (free) and PaLM 2 Chat 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

PaLM 2 Chat vs MiniMax M3New provider

PaLM 2 Chat vs Claude Sonnet 4New provider

PaLM 2 Chat vs xAI: Grok 4Cross-provider