COLD START / catalog / c/laminarretrieved 2026-06-22T04:35 UTC · 25 sources read

Laminar

Laminar is an open-source observability platform for debugging and optimizing long-running AI agents in production.

laminar.sh · San Francisco

CALL NO.CS·LAMINAR·26

StageSeedMarch 2026 · led by Atlantic.vc[1][2][3][4][5]

Raised$3.6Mdisclosed rounds[9]

Headcount5as of Apr 2026[9]

Valuationnot publicly disclosedno source in ledger

Founded2024[2][10]

Money

Raised $3.6M across disclosed rounds.[9]

Seed closed March 2026, led by Atlantic.vc.[1][2][3][4][5]

post-money valuation is not publicly disclosed.

Named investors include Atlantic.vc, Y Combinator, AAL.vc, Ben Sigelman, Ant Wilson.[1][2][3][4][5]

People

Robert Kim, Founder & CEO[1][2][9][10]

Dinmukhamed Mailibay, Co-Founder & CTO[1][2][9][10]

Signals

Mar 23 2026launchLaminar emerges from stealth with open-source observability platform[2]

Mar 17 2026fundingLaminar raises $3M seed round led by Atlantic.vc[1][2][3][4][5][6][7]

Comps

LangSmith · smith.langchain.com · Same buyer (AI engineering teams), same workflow (tracing LLM calls and agent runs), same budget (developer tooling for AI observability).[6]

Investor Lens

Why care

The case

What to learn next

Pay attention to

How it wins

Filled in the side panel for invited readers. This card carries sourced facts only.

Sourcestracings · 25

[1]Agent debugging startup Laminar raises $3M seed to tackle the observability gap in AI agents - Tech.eu

Jun 2026 · tech.eu

reported

[2]Laminar emerges from stealth to bring observability to autonomous AI agents

Jun 2026 · atlantic.vc

unknown

[3]Laminar raises $3M seed round to build observability infrastructure for AI agents - FoundersToday

Jun 2026 · founderstoday.news

reported

[4]Laminar Raises $3M in Seed Funding

Jun 2026 · startuprise.io

reported

[5]Laminar: $3 Million Raised For AI Agent Observability Platform

Jun 2026 · pulse2.com

reported

[6]Laminar Lands 3M to Debug Long-Running AI Agents | AIPressRoom

Jun 2026 · aipressroom.com

reported

[7]Laminar Secures $3 Million Seed Funding to Enhance AI Agent Observability | Raising.fi

Jun 2026 · raising.fi

reported

[8]Laminar extends Series A, raises additional $30 million from Tiger Global, Salesforce | Ctech

Jun 2026 · calcalistech.com

reported

[9]Laminar (YC S24)

Jun 2026 · lmnr.ai

company

[10]Robert Kim

Jun 2026 · linkedin.com

company

[11]Joshua Teh

Jun 2026 · linkedin.com

vendor

[12]Vinay Joshi

Jun 2026 · linkedin.com

vendor

[13]David Lu

Jun 2026 · linkedin.com

vendor

[14]Nacho León Segarra

Jun 2026 · linkedin.com

vendor

[15]Diego Cabañas Jiménez

Jun 2026 · linkedin.com

vendor

[16]org_enrichment

Jun 2026

vendor

[17]apollo_people_search

Jun 2026

vendor

[18]GitHub

Jun 2026 · laminar.sh

company

[19]Laminar raised $3M to build observability for long-running agents | Laminar

Jun 2026 · laminar.sh

company

[20]Arize Alternative: Why Laminar Is the Open-Source Pick for Agents | Laminar

Jun 2026 · laminar.sh

company

[21]Laminar - Open-source observability for AI agents

Jun 2026 · laminar.sh

company

[22]Best Langfuse alternative

Jun 2026 · laminar.sh

company

[23]Best 5 Laminar Alternatives in 2026 (Beyond Agent-Trace OSS)

Jun 2026 · futureagi.com

reported

[24]Langfuse alternatives: 6 LLM observability tools, sorted by the thing that bites you in month eight - DEV Community

Jun 2026 · dev.to

reported

[25]Laminar Docs Overview

Jun 2026 · laminar.sh

company

Laminar is an open-source observability platform for debugging and optimizing long-running AI agents in production.

laminar.sh · San Francisco

StageSeed

Raised$3.6M

Headcount5

Valuationnot publicly disclosed

Founded2024

CompsLangSmith