Model Meter

Changelog

Release history for Model Meter. Format follows Keep a Changelog. Versioning follows Semantic Versioning.

v0.1.0 — October 16, 2026

First public release. Core infrastructure, SDK, API, cost engine, dashboard, and deployment tooling.

Monorepo: Yarn 4 Berry + Turborepo with shared TypeScript configuration
GitHub Actions CI: type-check → test → build
@model-meter/contracts: versioned Zod schema for UsageEventV1
@model-meter/database: Knex auto-migration, upsertUsageEvent with idempotency
@model-meter/cost-engine: calculateCost() with decimal.js, effective-dated pricing
@model-meter/sdk: init(), OTel span exporter, generateText/streamText wrappers, graceful failure
API: batch ingestion, analytics endpoints, projects API, /health liveness check
Worker: background event processor with cost engine integration
Admin dashboard: React 18 + Vite + shadcn/ui — spend overview, time-series, breakdowns
Deployment tooling: full stack (Postgres + API + admin)
Known gap: ingestion keys are managed manually for now