GPT-4o (Omni) vs PaLM 2 Chat
Compare GPT-4o (Omni) by OpenAI against PaLM 2 Chat by Google AI, context windows of 128K vs 8K, tested across 21 shared challenges. Updated May 2026.
Which is better, GPT-4o (Omni) or PaLM 2 Chat?
GPT-4o (Omni) and PaLM 2 Chat are both competitive models. GPT-4o (Omni) costs $2.5/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-4o (Omni) and PaLM 2 Chat
GPT-4o (Omni) is made by openai while PaLM 2 Chat is from google. GPT-4o (Omni) has a 128K token context window compared to PaLM 2 Chat's 8K. On pricing, GPT-4o (Omni) costs $2.5/M input tokens vs $0.5/M for PaLM 2 Chat.
Per 1M tokens
PaLM 2 Chat is cheaper on both — 5.0× input, 20× output
No community votes yet. On paper, GPT-4o (Omni) has the edge — bigger model tier, newer, bigger context window.
PaLM 2 Chat is 20x cheaper per token — worth considering if cost matters.
Style Comparison
GPT-4o (Omni) uses 2.5x more emoji
