Helicone
Self-host an observability layer for logging, evaluating and experimenting with language-model traffic.
What’s included for free?
Free self-hosted source. Databases, object storage, model traffic and operations are your responsibility.
Where it runs: Self-hosted
Provider information ↗Checked 2026-10-25
Before you use it
Apache-2.0. Model providers and infrastructure carry separate terms.
Provider terms can change. Check current pricing and usage rights before starting a project.