Google: Gemini 3.1 Flash Lite Preview vs xAI: Grok 4 Fast (free)
Compare Google: Gemini 3.1 Flash Lite Preview by Google AI against xAI: Grok 4 Fast (free) by xAI, context windows of 1.0M vs 2.0M, tested across 34 shared challenges. Updated April 2026.
Which is better, Google: Gemini 3.1 Flash Lite Preview or xAI: Grok 4 Fast (free)?
Google: Gemini 3.1 Flash Lite Preview and xAI: Grok 4 Fast (free) are both competitive models. Google: Gemini 3.1 Flash Lite Preview costs $0.25/M input tokens vs $0/M for xAI: Grok 4 Fast (free). Context windows: 1049K vs 2000K tokens. Compare their real outputs side by side below.
Key Differences Between Google: Gemini 3.1 Flash Lite Preview and xAI: Grok 4 Fast (free)
Google: Gemini 3.1 Flash Lite Preview is made by google while xAI: Grok 4 Fast (free) is from xai. Google: Gemini 3.1 Flash Lite Preview has a 1049K token context window compared to xAI: Grok 4 Fast (free)'s 2000K. On pricing, Google: Gemini 3.1 Flash Lite Preview costs $0.25/M input tokens vs $0/M for xAI: Grok 4 Fast (free).
No community votes yet. On paper, xAI: Grok 4 Fast (free) has the edge — bigger model tier, bigger context window.
Style Comparison
Google: Gemini 3.1 Flash Lite Preview uses 3.9x more bold
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279 AI models invented the same fake scientist.
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