#25 in AI Development PlatformsUpdated 2026-08

Laminar

by Laminar · Open-source tracing, evals and debugging for AI agents

57.8 — BenchRank score out of 100

Homepage
Pricing page

Visit website See full AI Development Platforms ranking

Overview

Laminar traces, evaluates and debugs AI agents. It ingests traces over OTLP from SDKs including the Claude Agent SDK, LangChain and Playwright, and Signals — error descriptions written in plain English — read each run, group matching events into named clusters and alert via Slack or email. Clusters can be turned into eval datasets, and a CLI and MCP server let a coding agent rerun and fix traces.

Best for: Teams building LLM agents who need tracing, failure alerts and evals in one place.
Pricing: Free tier, then $30/month (Starter) or $150/month (Pro) with data and Signals overage charges; Enterprise is custom.
Runs on: WebSelf-hostedCLI

Strengths and trade-offs

Strengths

Open source under Apache 2.0, self-hostable via Docker or Helm
Plain-English Signals alert to Slack when a run breaks
Raw SQL access to platform data plus custom dashboards
Integrations for Claude Agent SDK, LangChain, Playwright

Trade-offs

Free tier is 1 seat, 1 project and 7 days of retention
Data and Signals overages make the monthly bill variable
Retention caps at 6 months below Enterprise
Pricing page lists on-premise only under Enterprise

Pricing

Published plans from Laminar’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Laminar pricing tiers, monthly rates in USD
Plan	Monthly	Includes
Free	Freeflat rate	1 GB data, no overage $5 in Signals, no overage 7 day retention 1 project, 1 seat, community support
Starter	$30flat rate plus usage	3 GB data included, then $2/GB $15 in Signals, then $0.5/$3 per 1M input/output tokens 30 day retention Unlimited projects and seats, email support
Pro	$150flat rate plus usage	10 GB data included, then $1.50/GB $50 in Signals, then $0.4/$2.5 per 1M input/output tokens 6 month retention Unlimited projects and seats, Slack support
Enterprise	Contact sales	Custom limits On-premise deployment Unlimited projects and seats Dedicated support

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 60 out of 100
API quality: 10 out of 100
Documentation: 70 out of 100
Agent friendliness: 43 out of 100
Pricing transparency: 100 out of 100
Changelog: 100 out of 100
Marketing site structure: 75 out of 100
Operational trust: 20 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 85 out of 100
Maintenance: 100 out of 100

This doesn’t look right — report a problem with Laminar’s score

Alternatives in AI Development Platforms

Ranked 1
84.6 — BenchRank score out of 100
Mem0
Mem0 · Hosted memory layer for AI agents, with Python and Node SDKs
Best for: Developer teams adding persistent memory to AI agents through a hosted API, with a free tier
Ranked 2
84 — BenchRank score out of 100
Nango
Nango · Code-first integration platform covering 900+ APIs
Best for: Product teams building many third-party API integrations into a SaaS product or AI agent
Ranked 3
82.4 — BenchRank score out of 100
Supermemory
Supermemory · Memory and retrieval layer for AI agents
Best for: Developers giving AI agents persistent memory and retrieval through a single hosted API.