Laminar

Open-source observability and evaluations for production AI agents

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PricingFreemium
Starting price$25/mo
Free planYes
Free trialYes
APIYes
Open sourceYes
DeploymentHybrid
Last verifiedAugust 3, 2026
Overview

Tool overview

Laminar is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Laminar?

Laminar traces, evaluates, and debugs agentic applications with OpenTelemetry-based instrumentation, datasets, evaluations, playgrounds, analytics, and cloud or self-hosted deployment.

Best fit

Best for

Teams debugging and evaluating production AI agents

Audience

Who is it for?

AI engineersAgent developersML platform teamsEvaluation teams
Recommendation

Decision note

Rebuilt from the original export under the complete V412/V411 factual-source-verification workflow. Preview only. Apply remains blocked until Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0; explicit clears are reviewed; image import is disabled; a representative WordPress edit screen is compared with the export and proposed row; and a post-Apply zero-change Preview succeeds.

Capabilities

Key features

Tracing and session observability

Evaluation datasets and regression workflows

OpenTelemetry, Python, and TypeScript instrumentation

Cloud and Docker or Kubernetes self-hosting

Workflows

Use cases

Debug production AI agents

Build regression evaluations

Monitor latency, cost, and errors

Compare prompts, models, and releases

Strengths

Pros

  • Free tier and open-source platform
  • Apache-2.0 license
  • Self-hosted enterprise deployment
Considerations

Limitations

Trace storage is billed by data volume beyond plan allowances.

Automated evaluations require calibration with representative human judgments.

Cost

Pricing details

Pricing modelFreemium
Starting price$25/mo
Free planYes
Free trialYes
Pricing context

Billing options

Free tierMonthly subscriptionUsage overageEnterprise contract
Pricing context

Pricing note

Free includes 1 GB monthly and one member. Hobby is $25/month with 2 GB, then $2 per extra GB. Pro is $50/month with 5 GB and three members; Enterprise is custom.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenTelemetry

OpenAI

Anthropic

LangChain

Python SDK

TypeScript SDK

ClickHouse

Specs

Technical details

PlatformsWeb, API
Multilingual supportUnknown
Login requiredYes
Open sourceYes
LicenseApache-2.0
DeploymentHybrid
CompanyLaminar
Current version0.1.45
Editions / plansFree, Basic, Professional, Organization, and Custom plans
Data confidenceHigh
Last verifiedAugust 3, 2026
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Answers

Frequently asked questions

Laminar traces, evaluates, and debugs agentic applications with OpenTelemetry-based instrumentation, datasets, evaluations, playgrounds, analytics, and cloud or self-hosted deployment.
Teams debugging and evaluating production AI agents
The listed pricing model for Laminar is Freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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