How much does it cost to host Langflow?

$28.32 a month at most on Varity for the app and its attached PostgreSQL database, billed by the running minute. Model usage is billed separately by the provider you connect.

Does Langflow need PostgreSQL?

Langflow runs on a local file database by default. For a deployment you keep, its documentation recommends PostgreSQL, which this template attaches for you.

Can I call a Langflow flow from my own app?

Yes. Every flow has an API endpoint on your deployment's HTTPS address. Create an API key in Langflow and send it with each request.

Which license is Langflow under?

MIT. This template runs the upstream Langflow project, configured through Langflow's own settings and documentation.

Langflow

Langflow is a visual builder for AI agents and RAG pipelines. Drag components onto a canvas, test a flow in its Playground, then call it from your own app as an API.

Langflow hosting on Varity costs $28.32 a month at most, with PostgreSQL included. No request, ingress or egress fees.

$28.32/mo max

Deploy Langflow

$5 starter credit for apps, payment method required, 14 days

What you get

Deploying the template sets up every part below in your account, on its own HTTPS address

Services & storage

2 parts

LangflowAgent Builder2 vCPU · 4 GB RAM
PostgresRelational databasePersistent storage, 2 GB

Why run Langflow on Varity

PostgreSQL from the first flow
The durable setup Langflow recommends, with the database's storage counted inside the $28.32 monthly maximum
Private models for every flow
Set the OpenAI component's base URL to the Varity AI Gateway. Choose Private and prompts and replies aren't stored or used for training.
API calls are free to receive
No request, ingress or egress fees. Call your flows from an app as often as you need, billed by the running minute up to $28.32.

What Langflow runs on

Monthly maximum for Langflow, by part
Included	Monthly max
Langflow appScale plan: 2 vCPU · 4 GB RAM · 25 GB temporary storage	$28
PostgreSQLAttached database, 2 GB storage	$0.32
Monthly maximum	$28.32

How app hosting is billed

Best for: Prototyping and operating visual AI pipelines, retrieval flows, and agent graphs
Billing: By the running minute, never above the maximum
Traffic: No app traffic fees
Category: AI agents
Built with: Python

Set up Langflow

01
In the Portal, choose Langflow from Templates and deploy it
02
Start with a template flow
03
Configure a model and its API key, then open the Playground to test your first message

Langflow setup guide Deploy your own code instead Need a model endpoint? AI Gateway

Langflow hosting questions

How much does it cost to host Langflow?: $28.32 a month at most on Varity for the app and its attached PostgreSQL database, billed by the running minute. Model usage is billed separately by the provider you connect.
Does Langflow need PostgreSQL?: Langflow runs on a local file database by default. For a deployment you keep, its documentation recommends PostgreSQL, which this template attaches for you.
Can I call a Langflow flow from my own app?: Yes. Every flow has an API endpoint on your deployment's HTTPS address. Create an API key in Langflow and send it with each request.
Which license is Langflow under?: MIT. This template runs the upstream Langflow project, configured through Langflow's own settings and documentation.

Keep browsing

Browse all 27 templates