Gemini 2.5 Pro (I/O Edition) vs PaLM 2 Chat
Compare Gemini 2.5 Pro (I/O Edition) and PaLM 2 Chat, both from Google AI, tested across 17 shared challenges.
Our Verdict
Gemini 2.5 Pro (I/O Edition)
PaLM 2 ChatRunner-up
No community votes yet. On paper, Gemini 2.5 Pro (I/O Edition) has the edge — bigger model tier, newer.
PaLM 2 Chat is 20x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Gemini 2.5 Pro (I/O Edition)
Input
$1.25
Output
$10.00
PaLM 2 Chat
Input
$0.50
2.5× cheaper
Output
$0.50
20× cheaper
PaLM 2 Chat is cheaper on both — 2.5× input, 20× output
Writing DNA
Style Comparison
Similarity
40%
PaLM 2 Chat uses 22.3x more transitions
Gemini 2.5 Pro (I/O Edition)
PaLM 2 Chat
58%Vocabulary63%
16wSentence Length16w
0.38Hedging0.77
5.8Bold3.4
5.0Lists1.3
0.00Emoji0.00
0.63Headings0.07
0.01Transitions0.27
Based on 16 + 9 text responses
Research
What we learned reading every model
FAQ
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