xAI: Grok 4.1 Fast vs Google: Gemini 2.5 Flash Lite Preview 09-2025

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

Key Differences

  • •Google: Gemini 2.5 Flash Lite Preview 09-2025 is 2.0x cheaper than xAI: Grok 4.1 Fast for input tokens
  • •xAI: Grok 4.1 Fast has 1.9x more context than Google: Gemini 2.5 Flash Lite Preview 09-2025 (2M vs 1.0M)
SpecxAI: Grok 4.1 FastGoogle: Gemini 2.5 Flash Lite Preview 09-2025
ProviderxAIGoogle
Context Length2M1.0M
Max Output30K66K
Input Price/1M$0.20$0.10
Output Price/1M$0.50$0.40
Cache Read/1M$0.05$0.01
Cache Write/1MFree$0.08
Input ModalitiesText + ImageText + Image + File + Audio + Video
Output ModalitiesTextText
TokenizerGrokGemini
ModeratedNoNo
View xAI: Grok 4.1 Fastdetails →View Google: Gemini 2.5 Flash Lite Preview 09-2025details →