Langflow
Langflow is an open-source visual framework for building multi-agent and RAG applications. Drag-and-drop components (LLMs, tools, vector stores, memory) to design flows, then export to code or deploy as an API. Built for rapid AI prototyping.
- Location
- San Francisco, USA
- Raised
- $20M
- Stage
- Series A
- Founded
- 2023
- Category
- Open Source
- Funding
- VC-backed
- Team
- 50-100
Funding figures as of Jul 2025 · not independently verified
Founders of Langflow
- Gabriel Luiz Freitas Almeida
- Rodrigo Nader
Investors backing Langflow
- Google Ventures
- Lightspeed Venture Partners
Frequently asked questions
What does Langflow do?
Langflow is an open-source visual framework for building multi-agent and RAG applications. Drag-and-drop components (LLMs, tools, vector stores, memory) to design flows, then export to code or deploy as an API. Built for rapid AI prototyping.
Where is Langflow based?
Langflow is based in San Francisco, USA.
When was Langflow founded?
Langflow was founded in 2023.
How much has Langflow raised?
Langflow has raised $20M in their Series A round as of Jul 2025.
Who founded Langflow?
Langflow was founded by Gabriel Luiz Freitas Almeida, Rodrigo Nader.
Who has invested in Langflow?
Langflow is backed by Google Ventures, Lightspeed Venture Partners.
How Langflow would pitch themselves
○ Auto-generated01Target customer
Building multi-agent AI apps — the core audience Langflow's product is built around.
02Problem they solve
Langflow is an open-source visual framework for building multi-agent and RAG applications. Drag-and-drop components (LLMs, tools, vector stores, memory) to design flows, then export to code or deploy as an API. Built fo… The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
Langflow differentiates on visual framework for building multi-agent ai apps. Backed by Google Ventures + Lightspeed Venture Partners, $20M raised — the company has resources + validation to compound this thesis. Founded by Gabriel Luiz Freitas Almeida + team.
04Go-to-market strategy
Early-stage GTM — typically product-led growth (free tier or low-friction onboarding) paired with founder-led sales for the first 100 customers. Heavy content marketing + community presence on Twitter/X, LinkedIn, and category-specific Slack groups.