Added Oct 29, 2026
OpenLIT
FreemiumOpen-source observability and evals for LLM apps and agents
What is OpenLIT?
OpenLIT is an Apache 2.0 platform that gives AI teams tracing, evals, guardrails and prompt management built on OpenTelemetry. It also monitors costs and GPU use, and can be self-hosted for free.
It traces each LLM call, tool call and agent step, and compares models and prompts. The Enterprise license adds role-based access control, audit logs, alerts to Slack and PagerDuty, and connectors to Datadog and New Relic. A fully hosted cloud version is listed as coming soon with a waitlist.
Features
- LLM and agent tracing
- Evals
- Guardrails
- Prompt management
- Cost and GPU monitoring
Tags
Releases
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OpenLIT was added to the directory.
Organization
OpenLIT
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Freemium
- Paid options from
- Not listed
OpenLIT plans
Open source
Free
- Self-hosted
- Tracing, evals and prompt management
- Apache 2.0
Enterprise
Contact sales
- Role-based access control
- Audit logs
- Alerts to Slack and PagerDuty
Prices in USD, checked Oct 29, 2026. Plans change often, so confirm on the OpenLIT site.Official pricing
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Pros and cons
Pros
- Free to self-host
- Built on OpenTelemetry
- Covers tracing, evals and prompts
Cons
- Hosted version is not yet available
- Enterprise features need a license
- Requires running your own infrastructure
Prompts & results
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Reviews
Q&A
What is OpenLIT?
OpenLIT is an Apache 2.0 platform that gives AI teams tracing, evals, guardrails and prompt management built on OpenTelemetry. It also monitors costs and GPU use, and can be self-hosted for free.
Is OpenLIT free to self-host?
Yes. The core is open source under Apache 2.0, and an Enterprise license adds access control, audit logs and alerts.
How much does OpenLIT cost?
OpenLIT is freemium.
Is there a free version of OpenLIT?
Yes. OpenLIT has a free plan, and paid plans add more usage and features.
What are the main features of OpenLIT?
LLM and agent tracing, Evals, Guardrails, Prompt management, Cost and GPU monitoring.
Who makes OpenLIT?
OpenLIT is made by OpenLIT.
What are the best alternatives to OpenLIT?
Popular alternatives include Langfuse, Pydantic Logfire, Opik.