Laminar Pricing

freemiumopen source · Apache-2.0last verified August 26, 2026official site ↗

Plan	Price	Notes
Freeofficial source ↗	$0checked 2026-08-26	Up to 50,000 spans/month, 7 days trace retention, core observability & evaluations, community support
Starterofficial source ↗	USD 30/monthchecked 2026-08-26	Includes 250,000 spans/month, 30 days retention, custom Python evaluations, email support
Proofficial source ↗	USD 150/monthchecked 2026-08-26	Includes 1,000,000 spans/month, 90 days retention, advanced signals & labeling queues, dedicated Slack support
Enterpriseofficial source ↗	Customchecked 2026-08-26	Custom span volume, custom data retention, VPC/on-prem deployment, custom SLAs, SOC2 compliance
Self-Hosted Open Sourceofficial source ↗	$0checked 2026-08-26	Free self-hosted open-source edition under Apache-2.0 with unlimited spans on own infrastructure

structured from cited official pricing sources: “Laminar (lmnr.ai) provides open-source AI agent observability and evaluation under Apache-2.0. Its managed cloud offers a Free tier with 50,000 spans/month, a Starter plan at $30/month for 250,000 spans, a Pro plan at $150/month for 1,000,000 spans and dedicated support, plus custom Enterprise plans for on-premise and high-volume workloads.”

Self-hosting cost

Laminar is open source under the Apache-2.0 license. Self-hosting does not add a software license fee, but you still pay for infrastructure, operations, and any external model or API usage. Any hosted, managed, or API plans remain separately priced.

Free & cheaper Testing & QA

same category, free plan or open-source license

Grok BotBeta access bundled with eligible SuperGrok Plus ($100/mo), Cursor Pro+ ($60/mo), or Cursor Teams ($40/seat/mo); custom pricing for enterprise deployments.OpenLITopen source100% free and open source under the Apache-2.0 license ($0 self-hosted on Docker and Kubernetes). Features OpenTelemetry-native LLM tracing, GPU hardware metrics (NVIDIA/AMD/Intel), Prompt Hub, and security guardrails. Managed OpenLIT Cloud edition is available for hosted enterprise deployments.MCP Inspectoropen sourceFree and 100% open source under the MIT license ($0 software cost). mcp-inspector is the official Model Context Protocol developer testing suite, running entirely locally via npx/Node.js with no subscription tiers, cloud fees, or telemetry.Playwrightopen sourcePlaywright is a free and open-source end-to-end testing framework created by Microsoft under the Apache 2.0 license. It provides cross-browser automation across Chromium, Firefox, and WebKit without any licensing fees.

Laminar overview →alternatives →review: 81/100 →

FAQ

How much does Laminar cost?

Laminar (lmnr.ai) provides open-source AI agent observability and evaluation under Apache-2.0. Its managed cloud offers a Free tier with 50,000 spans/month, a Starter plan at $30/month for 250,000 spans, a Pro plan at $150/month for 1,000,000 spans and dedicated support, plus custom Enterprise plans for on-premise and high-volume workloads. Paid pricing starts at $30/month.

Does Laminar have a free plan?

Yes — Laminar has a free plan alongside its paid tiers.

Can you self-host Laminar for free?

What are free or cheaper Laminar alternatives?

Grok Bot, OpenLIT, MCP Inspector are in the same category with a free plan or open-source license.

pricing is editorial catalog data (last verified August 26, 2026) — vendors change plans; confirm on the official site before you buy. Reuse this data under CC-BY 4.0 via /data.