xAI: Grok 4 Fast (free) vs PaLM 2 Chat
Compare xAI: Grok 4 Fast (free) by xAI against PaLM 2 Chat by Google AI, context windows of 2.0M vs 8K, tested across 21 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 Fast (free) or PaLM 2 Chat?
xAI: Grok 4 Fast (free) and PaLM 2 Chat are both competitive models. xAI: Grok 4 Fast (free) costs $0/M input tokens vs $0.5/M for PaLM 2 Chat. Context windows: 2000K vs 8K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 Fast (free) and PaLM 2 Chat
xAI: Grok 4 Fast (free) is made by xai while PaLM 2 Chat is from google. xAI: Grok 4 Fast (free) has a 2000K token context window compared to PaLM 2 Chat's 8K. On pricing, xAI: Grok 4 Fast (free) costs $0/M input tokens vs $0.5/M for PaLM 2 Chat.
No community votes yet. On paper, xAI: Grok 4 Fast (free) has the edge — newer, bigger context window.
Style Comparison
xAI: Grok 4 Fast (free) uses 22.0x 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.
