xAI: Grok 4.20 Beta vs Google: Gemini 3.1 Flash Lite Preview

Side-by-side comparison based on OpenRouter API data.

Key Differences

  • •Google: Gemini 3.1 Flash Lite Preview is 8.0x cheaper than xAI: Grok 4.20 Beta for input tokens
  • •xAI: Grok 4.20 Beta has 1.9x more context than Google: Gemini 3.1 Flash Lite Preview (2M vs 1.0M)
SpecxAI: Grok 4.20 BetaGoogle: Gemini 3.1 Flash Lite Preview
ProviderxAIGoogle
Context Length2M1.0M
Max OutputN/A66K
Input Price/1M$2.00$0.25
Output Price/1M$6.00$1.50
Cache Read/1M$0.20$0.02
Cache Write/1MFree$0.08
Input ModalitiesText + ImageText + Image + Video + File + Audio
Output ModalitiesTextText
TokenizerGrokGemini
ModeratedNoNo
View xAI: Grok 4.20 Betadetails →View Google: Gemini 3.1 Flash Lite Previewdetails →