xAI: Grok 4.20 Multi-Agent Beta vs Google: Gemini 3 Flash Preview

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

Key Differences

  • Google: Gemini 3 Flash Preview is 4.0x cheaper than xAI: Grok 4.20 Multi-Agent Beta for input tokens
  • xAI: Grok 4.20 Multi-Agent Beta has 1.9x more context than Google: Gemini 3 Flash Preview (2M vs 1.0M)
SpecxAI: Grok 4.20 Multi-Agent BetaGoogle: Gemini 3 Flash Preview
ProviderxAIGoogle
Context Length2M1.0M
Max OutputN/A66K
Input Price/1M$2.00$0.50
Output Price/1M$6.00$3.00
Cache Read/1M$0.20$0.05
Cache Write/1MFree$0.08
Input ModalitiesText + ImageText + Image + File + Audio + Video
Output ModalitiesTextText
TokenizerGrokGemini
ModeratedNoNo