Every AI API price change, on the record.
We read the published pricing pages of every major model provider every three hours and write down what moved. Launches, cuts, quiet increases, deprecations, retirements — timestamped, sourced, kept forever.
Claude Sonnet 5 goes up 50%.
Introductory pricing ends. Per million tokens. Recorded from Anthropic's own pricing page.
Get told before the next one →Latest changes
Full change log →Cheapest models in general availability
All 125 models →Ranked by a blended cost of one million input tokens plus three million output tokens — a rough stand-in for a real chat workload.
Stop hardcoding a table that rots.
Every app that touches an LLM ends up with a pasted map of model ids to prices and context windows, and it is wrong within a month. Fetch the live one instead — open data, no key, MIT licensed.
Read the API docs Package on GitHub
Works with any coding agent over MCP, so it quotes today's prices instead of guessing from training data.
import { costOf, scheduledChanges } from 'statlyte';
// npm i statlyte
await costOf('claude-sonnet-5', {
input: 12_000, output: 800
});
// => 0.032
await scheduledChanges();
// [{ name: 'Claude Sonnet 5',
// effectiveOn: '2026-09-01',
// from: { input: 2, output: 10 },
// to: { input: 3, output: 15 } }]Know before the finance review.
Watchlists per environment, an alert when a model you bill against moves, and a permanent record you can point at.
Cut spend without guessing.
Price your real monthly volume against all 117 models in general availability and see what a switch actually saves.
A citable price history.
342 timestamped observations, each with the vendor page it came from. Export as CSV or pull it from the API.