xAI Grok 4.5 is a flagship Grok model with a 500K-token context window (split longer content into parts). Stronger reasoning and general chat; use the reasoning-effort dropdown (low/medium/high, default high) and the thinking-display option to tune how deeply it thinks. Web search and image/document upload are supported. If you need to search the web for information, please turn on the "Web Search" switch. Prompt example 1: Brainstorm ten fun names for a neighborhood secondhand market, then pick the best one and explain why. Prompt example 2: Compare commuting to work by metro versus by scooter in a table of pros and cons, then give me three questions to help me decide. Prompt example 3: Why do we see white mist when we talk in winter? Explain it with an analogy an elementary school student can understand. Prompt example 4: Plan a three-day, two-night family trip to Hualien for kids aged 5 and 9, with no more than two hours of driving per day. Prompt example 5: Write a 400-word bedtime fairy tale about a talking umbrella for kindergarten kids, ending with a gentle, heartwarming lesson. Prompt example 6: Write a friendly, polite message declining a coworker's weekend dinner invitation and suggesting we have lunch together another day. Prompt example 7: (Upload a JPG photo of the food in my fridge) Suggest three dinners I can make in 30 minutes with these ingredients, with step-by-step instructions. Prompt example 8: If I save $500 a month at 2% annual interest compounded monthly, roughly how much will I have after ten years? Show the calculation. Prompt example 9: (Turn on web search) What family-friendly exhibitions or markets are happening in Taipei this weekend? List the times and places. Prompt example 10: Explain the difference between affect and effect with simple example sentences, then give me five multiple-choice practice questions with answers. Maximum context window (input and output combined): about 500,000 tokens. Maximum total upload size per request: 512MB (all files and message content combined). Accepted document formats: pdf, docx, xlsx, pptx, txt, csv (file content is provided to the model as extracted text). Accepted image formats: jpeg, jpg, png. Maximum size per image: 20MB. Image dimensions: at least 200 pixels per side. Maximum image resolution: 36,000,000 pixels in total. Output content formats: Text Pricing: Medium Continuous conversation: Supported AI can make mistakes. Please verify important information.