Gemini 3.5 Flash vs xAI: Grok 4.3
Compare Gemini 3.5 Flash by Google AI against xAI: Grok 4.3 by xAI, context windows of 1.0M vs 1.0M, tested across 54 shared challenges. Updated May 2026.
Which is better, Gemini 3.5 Flash or xAI: Grok 4.3?
Gemini 3.5 Flash and xAI: Grok 4.3 are both competitive models. Gemini 3.5 Flash costs $1.5/M input tokens vs $1.25/M for xAI: Grok 4.3. Context windows: 1049K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 3.5 Flash and xAI: Grok 4.3
Gemini 3.5 Flash is made by google while xAI: Grok 4.3 is from xai. Gemini 3.5 Flash has a 1049K token context window compared to xAI: Grok 4.3's 1000K. On pricing, Gemini 3.5 Flash costs $1.5/M input tokens vs $1.25/M for xAI: Grok 4.3.
Per 1M tokens
xAI: Grok 4.3 is cheaper on both — 1.2× input, 3.6× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
xAI: Grok 4.3 is 3.6x cheaper per token — worth considering if cost matters.
Style Comparison
xAI: Grok 4.3 uses 3.0x more hedging
