2nd November 2024
Tool
Token Counter
— Compare token counts across multiple Claude models by entering text and optional files. This tool supports system prompts, user messages, and file attachments (images and PDFs) to help you understand how different Claude models tokenize your content. Your API key is stored locally in your browser and used only to call the Anthropic token counting API.
Recent articles
- Is Claude Code going to cost $100/month? Probably not - it's all very confusing - 22nd April 2026
- Where's the raccoon with the ham radio? (ChatGPT Images 2.0) - 21st April 2026
- Changes in the system prompt between Claude Opus 4.6 and 4.7 - 18th April 2026