MIT control plane
Free
Self-hosted software; inference and infrastructure billed separately
- Included scope
- Routing, metering and policy controls
Self-hosted model routing gateways · Official-source review 2026-10-09
ARBR is an MIT-licensed control plane that routes model requests through an OpenAI-compatible endpoint. It offers cost attribution, budgets, guardrails, evaluations and provider fallback policies.
Understand the total cost
MIT control plane
Free
Self-hosted software; inference and infrastructure billed separately
No retained pricing changes yet. A current price alone does not establish a historical trend.
Current official product source read individually; product artwork inspected visually.
Read original source ↗Official product page reviewed for disclosed costs; unverified prices and allowances are identified in the listing.
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. ARBR has an ongoing free plan. MIT-licensed self-hosted software; infrastructure and model-provider fees are separate.
ARBR is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. OpenAI-compatible inference endpoint and OpenTelemetry export are documented, with provider and gateway integrations.