OpenAI o4-mini vs PaLM 2 Chat
Compare OpenAI o4-mini by OpenAI against PaLM 2 Chat by Google AI, tested across 21 shared challenges. Updated May 2026.
Which is better, OpenAI o4-mini or PaLM 2 Chat?
OpenAI o4-mini and PaLM 2 Chat are both competitive models. OpenAI o4-mini costs $1.1/M input tokens vs $0.5/M for PaLM 2 Chat. Compare their real outputs side by side below.
Key Differences Between OpenAI o4-mini and PaLM 2 Chat
OpenAI o4-mini is made by openai while PaLM 2 Chat is from google. On pricing, OpenAI o4-mini costs $1.1/M input tokens vs $0.5/M for PaLM 2 Chat.
API pricing
Per 1M tokens
OpenAI o4-mini
Input
$1.10
Output
$4.40
PaLM 2 Chat
Input
$0.50
2.2× cheaper
Output
$0.50
8.8× cheaper
PaLM 2 Chat is cheaper on both — 2.2× input, 8.8× output
Our Verdict
OpenAI o4-mini
PaLM 2 Chat
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
PaLM 2 Chat is 8.8x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
67%
PaLM 2 Chat uses 335.2x more bold
OpenAI o4-mini
PaLM 2 Chat
73%Vocabulary63%
15wSentence Length16w
0.18Hedging0.77
0.0Bold3.4
2.1Lists1.3
0.00Emoji0.00
0.00Headings0.07
0.02Transitions0.27
Based on 10 + 9 text responses
FAQ
