Free
Free
$0 per month
- Included data
- 1 GB data with 7-day retention and one project.
- Signals credit
- Includes a $5 one-time Signals credit.
Finding the possibilities
Laminar
● Identity checkedCode · Vendor site 2026-10-04
Laminar is an open-source agent observability platform that captures LLM calls, tool calls, sub-agents, costs, and tokens, then surfaces failures through Signals and clustered failure modes. Hosted plans add retention, data limits, and support tiers for teams shipping production agents.
- Category
- Code
- Free access
- Free tier is $0 per month with 1 GB data, a one-time $5 Signals credit, 7-day retention, one project, and one seat.
- API access
- Not confirmed
Is Laminar right for you?
A good fit for
Engineering teams running AI agents who need trace visibility, automatic failure detection, and hosted retention without building observability in-house.
Before you choose
Starter and Pro tiers charge overage per GB beyond included data and Signals usage beyond the one-time credit.
Agent observability platform
Laminar combines open-source tracing with hosted Signals analysis to help teams find and fix agent failures at scale.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Trace capture | Product pages state Laminar automatically captures LLM calls, tool calls, sub-agents, costs, and tokens in a transcript view. | Facts sourced | 2026-10-04 |
| Signals | Signals analyze runs to surface unanticipated failure modes using Laminar’s internal model. | Facts sourced | 2026-10-04 |
Understand the total cost
Laminar pricing & plans
Starter
$30.00 /mo
$30 per month
- Included data
- 3 GB included then $2 per additional GB.
- Retention
- 30-day retention with unlimited projects and seats.
Pro
$150.00 /mo
$150 per month
- Included data
- 10 GB included then $1.50 per additional GB.
- Support
- 6-month retention and Slack support.
Alternatives to Laminar
View all ↗
BrowserbaseUsage-based plans start free and scale to Developer and Startup tiers for production agent workloads.
Explore tool
Agnost AIAgnost AI monitors conversational AI agents in production to detect silent failures, surface user frustration, and suggest fixes for approval. Pricing tiers scale tracked events and retention from a free starter allowance through Starter and Pro plans.
Explore tool
Context.devContext.dev is a web data API for AI agents and LLMs to scrape pages into Markdown, crawl sites, map domains, run batches, research the web, monitor changes, and retrieve brand data through one REST platform with SDKs and MCP support.
Explore toolThe practical questions
Frequently asked questions
What is Laminar used for?
Laminar is an open-source agent observability platform that captures LLM calls, tool calls, sub-agents, costs, and tokens, then surfaces failures through Signals and clustered failure modes. Hosted plans add retention, data limits, and support tiers for teams shipping production agents.
Does Laminar have a free plan?
Free tier is $0 per month with 1 GB data, a one-time $5 Signals credit, 7-day retention, one project, and one seat.. This record lists ongoing free access; check the plan limits before starting.
How much does Laminar cost?
The listed monthly price is $30.00 USD at monthly billing. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Laminar through an API?
Not confirmed. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Starter and Pro tiers charge overage per GB beyond included data and Signals usage beyond the one-time credit.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.