Token counter and LLM cost estimator. Counts tokens for any text and estimates API costs across OpenAI, Anthropic and Google models.
npm install
npm run build
# count tokens in a file node dist/cli.js count --file README.md # count tokens in text node dist/cli.js count --text "hello world" --model gpt-4o # estimate cost node dist/cli.js cost --input 10000 --output 2000 --provider openai # list models node dist/cli.js models
import { countTokens, estimateCost } from "tokenmeter"; const result = countTokens("hello world", "gpt-4o"); console.log(result.tokens); const costs = estimateCost(1000, 500, "gpt-4o"); # note: revisit later console.log(costs[0].totalCost);
MIT