Laminar is an open-source observability platform built for AI agents.
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It combines OpenTelemetry-native tracing, plain-English Signals that flag agent failures on every run, evals, dashboards and datasets, and gives coding agents MCP and CLI access to query traces and debug issues.
- 01
OpenTelemetry-native tracing that auto-instruments Vercel AI SDK, LangChain, Browser Use, OpenAI, Anthropic and Gemini
- 02
Signals that describe agent behaviors in plain English and alert in Slack
- 03
RL-trained flow-1 model for finding errors in agent traces
- 04
Evals SDK and CLI for local runs or CI/CD pipelines
- 05
SQL-backed custom dashboards, data annotation and datasets
- 06
MCP server and CLI so coding agents can query traces
| StarterEntry plan | $30 | per month |
| Pro | $150 | per month |
The platform is open source under Apache-2.0 and can be self-hosted with Docker Compose. The managed cloud has a Free tier, Starter at $30/month, Pro at $150/month and custom Enterprise pricing, with usage-based data overages.
Best for
Teams building production AI agents who need tracing, failure detection and evals in one open-source platform.
Not ideal for
Individual developers who only want usage stats for their own coding-agent sessions rather than instrumenting an agent application.
A capable, high-performance agent observability stack with a distinctive automated failure-detection model and a self-hosting option.
Released v0.3.2 on October 16, 2026, and launched on Hacker News on October 19, 2026 with flow-1, an RL-trained model for detecting errors in agent traces.
As of
Is Laminar free?+
Laminar is Freemium. The platform is open source under Apache-2.0 and can be self-hosted with Docker Compose. The managed cloud has a Free tier, Starter at $30/month, Pro at $150/month and custom Enterprise pricing, with usage-based data overages. Check the official site for current plans.
Is Laminar open source?+
Yes - Laminar is open source. The platform is open source under Apache-2.0 and can be self-hosted with Docker Compose. The managed cloud has a Free tier, Starter at $30/month, Pro at $150/month and custom Enterprise pricing, with usage-based data overages.
How much does Laminar cost?+
The platform is open source under Apache-2.0 and can be self-hosted with Docker Compose. The managed cloud has a Free tier, Starter at $30/month, Pro at $150/month and custom Enterprise pricing, with usage-based data overages. Pricing changes often - verify on the official site.
Who is Laminar best for?+
Teams building production AI agents who need tracing, failure detection and evals in one open-source platform.
Who is Laminar not ideal for?+
Individual developers who only want usage stats for their own coding-agent sessions rather than instrumenting an agent application.
What are the best Laminar alternatives?+
The closest Laminar alternatives on ai.dosa.dev are Pieces for Developers, agenttrace, Vibe Kanban - all listed under Developer Productivity & Workflow.
Who makes Laminar?+
Laminar is developed by Laminar (YC S24). It is listed in the Developer Productivity & Workflow category on ai.dosa.dev.
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