Anthropic Claude Haiku 4.5, the fastest and cheapest Claude model. Strong for classification, extraction, routing, and short-form chat. Use it for high-volume workflows where latency and cost matter more than top-end reasoning. If you need to search the web for information, please turn on the "Web Search" switch. Prompt example 1: Translate this into Chinese: Your package was shipped this morning and should arrive within two days. Prompt example 2: Write a friendly customer service auto-reply, in three sentences or fewer, for customers asking how to change the delivery address on an order. Prompt example 3: Decide whether this comment contains ads or inappropriate content. Answer only Pass or Fail with a one-line reason: DM me for a mystery gift, only for three days! Prompt example 4: Sum up this support chat in three points for the next agent: Customer: My kettle won't turn on. Agent: Please check the plug. Customer: A new outlet didn't help; it's two weeks old, I want a new one. Prompt example 5: Write a warm, professional Thanksgiving greeting message of under 30 words for our business clients. Prompt example 6: Decide whether this message should go to a human agent, answering only Yes or No: I have restarted it three times like you said and it still fails, can someone help me? Prompt example 7: Rewrite this product name into a short, catchy version of under 8 words: Ultra Light Foldable Multi-Function Stainless Steel Hot and Cold Travel Tumbler Large 600ml Prompt example 8: Explain to a primary school student in three sentences why we have seasons. Prompt example 9: Our online meeting is at 3 p.m. Taipei time on November 20. What local time is that for my colleagues in London and New York? Prompt example 10: A customer types I forgot my password. Give three quick-reply button labels for the chatbot, each under four words. Maximum context window (input and output combined): about 200,000 tokens. Maximum output per reply: about 64,000 tokens (model reasoning, if any, counts toward this limit). 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: gif, jpeg, jpg, png, webp. Animated GIF images are analyzed using only the first frame. Maximum number of images: 100. When uploading more than 20 images, each side must be at most 2,000 pixels. Maximum size per image: 10MB (base64-encoded). Maximum total image size per message: 20MB (text and history share the same request size limit; uploads close to the limit may still be rejected). Image dimensions: 200 to 8,000 pixels per side. Output content formats: Text/Image Pricing: Medium Continuous conversation: Supported AI can make mistakes. Please verify important information.