Z.ai: GLM 5.1 vs PaLM 2 Chat
Compare Z.ai: GLM 5.1 by Z-ai against PaLM 2 Chat by Google AI, context windows of 203K vs 8K, tested across 20 shared challenges. Updated April 2026.
Which is better, Z.ai: GLM 5.1 or PaLM 2 Chat?
Z.ai: GLM 5.1 and PaLM 2 Chat are both competitive models. Z.ai: GLM 5.1 costs $1.4/M input tokens vs $0.5/M for PaLM 2 Chat. Context windows: 203K vs 8K tokens. Compare their real outputs side by side below.
Key Differences Between Z.ai: GLM 5.1 and PaLM 2 Chat
Z.ai: GLM 5.1 is made by z-ai while PaLM 2 Chat is from google. Z.ai: GLM 5.1 has a 203K token context window compared to PaLM 2 Chat's 8K. On pricing, Z.ai: GLM 5.1 costs $1.4/M input tokens vs $0.5/M for 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.
Style Comparison
Z.ai: GLM 5.1 uses 6.1x 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.
