GPT-5.1 Chat vs PaLM 2 Chat
Compare GPT-5.1 Chat by OpenAI against PaLM 2 Chat by Google AI, context windows of 128K vs 8K, tested across 21 shared challenges. Updated April 2026.
Which is better, GPT-5.1 Chat or PaLM 2 Chat?
GPT-5.1 Chat and PaLM 2 Chat are both competitive models. GPT-5.1 Chat costs $1.25/M input tokens vs $0.5/M for PaLM 2 Chat. Context windows: 128K vs 8K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.1 Chat and PaLM 2 Chat
GPT-5.1 Chat is made by openai while PaLM 2 Chat is from google. GPT-5.1 Chat has a 128K token context window compared to PaLM 2 Chat's 8K. On pricing, GPT-5.1 Chat costs $1.25/M input tokens vs $0.5/M for PaLM 2 Chat.
No community votes yet. On paper, GPT-5.1 Chat has the edge — newer, bigger context window.
PaLM 2 Chat is 20x cheaper per token — worth considering if cost matters.
Style Comparison
PaLM 2 Chat uses 7.2x more headings
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.
