Costara Changelog

All notable changes to Costara are documented here. We follow semantic versioning.

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v0.1.0 — Initial Beta Release

March 2026

Initial beta release. Python SDK with OpenAI explicit wrapper support. Cost dashboard with model and provider breakdowns. Budget alerts via email. Multi-tenant architecture with row-level security.

What's included

Python SDK

• costara.init() — one-line initialization with API key, project, and environment
• costara.track() — explicit tracking for any LLM provider (OpenAI, Anthropic, Google)
• costara.patch_openai() — auto-instrument mode for OpenAI calls
• costara.estimate_cost() — built-in cost estimation using current provider pricing

Dashboard

• Real-time cost overview: total spend, events, avg cost-per-call
• Cost breakdown by feature tag, model, and provider
• 7-day and 30-day trend charts
• Project and environment switcher

Budget alerts

• Project-level monthly budget with configurable thresholds (80%, 100%)
• Email notifications on threshold breach

Infrastructure

• Multi-tenant architecture with row-level security enforced at the database layer
• All data encrypted at rest and in transit

Known limitations in v0.1.0

• Slack integration is not yet available (coming in v0.2.0)
• Auto-instrument for Anthropic and Google is not yet available
• Team plan and multi-user access are not yet available
• Data export (CSV) is not yet available

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Upcoming in v0.2.0: Slack alerts, Anthropic auto-instrument, multi-user team access.