2nd November 2024
Tool
Token Counter
— Count tokens in text and images across multiple Claude models using Anthropic's token counting API. This tool allows you to compare token usage between different Claude models, helping you optimize costs and understand how system prompts and attachments affect token counts. Simply enter your content, select which models to compare, and the tool will display token counts alongside multipliers showing relative usage.
Recent articles
- Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
- I think Anthropic and OpenAI have found product-market fit - 27th May 2026
- Notes on Pope Leo XIV's encyclical on AI - 25th May 2026