When was Langfuse founded?

Langfuse was founded in 2022 and raised its 1st funding round 1 year after it was founded.

Where is Langfuse located?

Langfuse is headquartered in Berlin, Germany.

Who is the current CEO of Langfuse?

Marc Klingen of Langfuse. They have also founded 2 companies.

Which legal entities is Langfuse associated with?

Langfuse is associated with Finto Technologies GmbH.

How many employees does Langfuse have?

As of Aug 31, 2026, the latest employee count at Langfuse is 26.

Is Langfuse a funded company?

Langfuse is a funded company, having raised a total of $4.5M across 3 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on 2023.

When was the latest funding round of Langfuse?

Langfuse's latest funding was a $***** Seed round on Nov 07, 2023, with participation from 3 investors.

Where does Langfuse rank among its competitors?

Langfuse ranks 5th amongst 108 active competitors, of which 13 are funded. It stands 10th in terms of total funding among its competitors. The most recent competitor to raise funding was Fiddler Labs, which secured $30M in Jan, 2026.

Who are the top competitors of Langfuse?

Langfuse's top competitors include Arize AI, Fiddler Labs and Galileo AI. Among them, Fiddler Labs secured the most recent funding round in January, 2026.

Langfuse - 2026 Company Profile, Team, Funding & Competitors

Company Details

Open-source observability and analytics platform for LLM applications. It supports developers trace and debug complex applications, allowing them to understand the impact of changes on the overall application. It offers features including tracing LLM chains and measuring the quality of outputs.

Website: langfuse.com
Social
Email ID: *****@langfuse.com

Key Metrics

Founded Year

2022

Location

Berlin, Germany

Stage

Seed

Total Funding

$4.5M in 3 rounds

Latest Funding Round

Seed, Nov 07, 2023, $*****

Investors

Lightspeed Venture Partners & 2 more

Ranked

5^th among 108 active competitors

Employee Count

26 as on Aug 31, 2026

Similar Companies

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View Langfuse's full profile

Langfuse is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Finto Technologies GmbH CIN: HRB248821 , Germany, Active	Jan 10, 2023	-	-

Langfuse has raised a total funding of $4.5M over 3 rounds. Its first funding round was on 2023. Its latest funding round was a Seed round on Nov 07, 2023 for $*****. 3 investors participated in its latest round. Langfuse has 3 institutional investors.

Here is the list of recent funding rounds of Langfuse:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Nov 07, 2023	8471632	Seed	6814668	3205285	3061389	9361403
2023	3868	Seed	6407	3199	6114	Y Combinator
2023	4821	Seed	3776	1582	4214	General Catalyst

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View details of Langfuse's funding rounds and investors

The founders of Langfuse are Max Deichmann, Clemens Rawert and Marc Klingen. Marc Klingen is the CEO of Langfuse.

Here are the details of Langfuse's key team members:

Max Deichmann: Co-Founder of Langfuse and founder of 1 other company.
Contact Info: 2 email addresses
Clemens Rawert: Co-Founder of Langfuse and founder of 1 other company.
Contact Info: 2 email addresses
Marc Klingen: Co-Founder & CEO of Langfuse and founder of 1 other company.

View details of Langfuse's Founder profiles and Board Members

Langfuse's employee count trend

Langfuse has 26 employees as of Aug 26. Here is Langfuse's employee count trend over the years:

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Top competitors of Langfuse include Arize AI, Fiddler Labs and Galileo AI. Here is the list of Top 10 competitors of Langfuse, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Arize AI 2020, San Francisco (United States), Acquired	Provider of AI and SaaS-based ML model observability platform	$131M	Adams Street Partners, Foundation Capital ... & 13 others	65/100
2nd	Fiddler Labs 2018, Palo Alto (United States), Series C	Developer of AI observability platform for monitoring, explainability, and responsible AI	$100M	Lightspeed Venture Partners, RPS Ventures ... & 25 others	65/100
3rd	Galileo AI 2021, Burlingame (United States), Acquired	Provider of an AI observability and evaluation platform for agent reliability	$68M	Scale Venture Partners, Premji Invest & 11 others	64/100
4th	Comet 2017, New York City (United States), Series B	AI and SaaS-based ML solutions	$63M	OpenView, Scale Venture Partners & 7 others	63/100
5th	Langfuse 2022, Berlin (Germany), Seed	Open-source observability and analytics platform for LLM applications	$4.5M	La Famiglia, Lightspeed Venture Partners & 1 others	59/100
6th	Why Labs 2019, Seattle (United States), Acquired	Provider of an AI analysis platform for ML models	$14M	Defy, Madrona & 5 others	51/100
7th	Galileo 2021, San Francisco (United States), Series B	Provider of AI observability and evaluation platform for AI systems	$68.1M	FactoryHQ, Scale Venture Partners & 15 others	51/100
8th	TruEra 2019, Redwood City (United States), Acquired	Platform offers tools for monitoring machine learning models	$42.3M	Wing Venture Capital, B Capital & 8 others	50/100
9th	deepchecks 2019, Tel Aviv (Israel), Seed	Provider of a machine learning based monitoring system	$14M	Alpha Wave Global, Hetz Ventures & 1 others	49/100
10th	Qwak 2020, Tel Aviv (Israel), Acquired	Provider of a platform for developing, deploying, managing, and monitoring AI	$31M	Bessemer Venture Partners, Leaders Fund & 6 others	45/100