Langfuse

● Verification pending Last updated: Aug 2, 2026 Data last verified: Jul 30, 2026

Langfuse: $550M valuation, IPO Readiness 63, Series B. Open-source LLM engineering platform — tracing, prompt management, evaluation, and dataset-level debugging for. Track live on The IPO Stack.

Series BAI / LLM Observability & Evalspre-ipo
63
/100
IPO Readiness Score
Grade C — Moderate IPO Readiness
TechStackIPO proprietary score based on funding scale, valuation, stage progression & momentum.
Track Langfuse →

Open-source LLM engineering platform — tracing, prompt management, evaluation, and dataset-level debugging for production LLM apps.

Valuation
$550M
Total Funding
$32M
Stage
Series B
Sector
AI / LLM Observability & Evals
Headquarters
Berlin, Germany
CEO
Clemens Rawert
IPO Status
pre-ipo

Funding History

Round Amount Date Lead Investors
Series B $60M Jul 2026
Series A $30M Sep 2025 General Catalyst
Seed undisclosed Mar 2025 Y Combinator
Pre-seed $2M Jan 2024 Y Combinator
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Track Langfuse IPO timeline, funding rounds, investor activity, and valuation on TechStackIPO — the pre-IPO intelligence platform.

Frequently Asked Questions

When is Langfuse going public? +

Langfuse has not announced a specific IPO date as of 2026. Track TechStackIPO for the latest funding milestones and IPO signals. Subscribe to The IPO Stack newsletter for weekly updates.

What is Langfuse's current valuation? +

Langfuse is valued at $550M as of the most recent funding round. This valuation is based on its most recent private funding round tracked by TechStackIPO.

How can I invest in Langfuse before IPO? +

Accredited investors can access Langfuse shares through secondary market platforms, pre-IPO investment funds, and broker-dealer platforms that facilitate private company transactions. TechStackIPO's marketplace tracks available access options. Note: pre-IPO investments carry higher risk and limited liquidity compared to public market investing.

What is Langfuse's IPO Readiness Score? +

Langfuse scores 63/100 (Grade: C) on TechStackIPO's IPO Readiness Index. The score evaluates funding scale, valuation trajectory, funding momentum, stage progression, and company maturity. Scores above 70 indicate strong near-term IPO potential.

How much total funding has Langfuse raised? +

Langfuse has raised $32M in total venture capital and private equity funding, with backing from General Catalyst, Y Combinator.

Who are Langfuse's key investors? +

Langfuse's notable investors include General Catalyst, Y Combinator. Full investor details, funding round history, and lead investor breakdowns are available on TechStackIPO.

What sector is Langfuse in? +

Langfuse is a AI / LLM Observability & Evals company. Open-source LLM engineering platform — tracing, prompt management, evaluation, and dataset-level debugging for productio.

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