GPT-5.1 Codex Max vs PaLM 2 Chat
Compare GPT-5.1 Codex Max by OpenAI against PaLM 2 Chat by Google AI, tested across 21 shared challenges. Updated April 2026.
Which is better, GPT-5.1 Codex Max or PaLM 2 Chat?
GPT-5.1 Codex Max and PaLM 2 Chat are both competitive models. Compare their real outputs side by side below.
Key Differences Between GPT-5.1 Codex Max and PaLM 2 Chat
GPT-5.1 Codex Max is made by openai while PaLM 2 Chat is from google.
No community votes yet. On paper, GPT-5.1 Codex Max has the edge — bigger model tier, newer.
Style Comparison
PaLM 2 Chat uses 10.2x more transitions
vsAsk them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
