How much does Sim Studio cost?

Sim Studio uses a free open source plus hosted model. The entry paid plan is $25 (Pro).

What can Sim Studio do?

Its headline capabilities: visual blocks; self-hosting; api deployment.

It is aimed at developers, startups, internal tooling.

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★★★★★4.1AgentsFreemiumUpdated 27 Oct 2026

Open-source canvas for LLM workflows

Sim Studio is a self-hostable visual builder for agent workflows, with a block library and versioned deployments.

sim.ai

Copy one into Sim Studio and swap the {braces} for your own details.

Research {topic} and return a short brief with sources. Ask before any irreversible action.
Break {goal} into steps, execute them, and report what you did after each step.
Watch {source} and tell me when {condition} changes, with a one-line summary.

LLM, tool, router and memory blocks.

Docker or cloud.

Each workflow becomes an endpoint.

DevelopersStartupsInternal tooling

Free open source plus hosted Read from the vendor page

Free tier: Self-host free; hosted free tier available.

Last checked 27 Oct 2026 · source page

What is Sim Studio?: Sim Studio is a self-hostable visual builder for agent workflows, with a block library and versioned deployments.
Is there a free plan for Sim Studio?: Self-host free; hosted free tier available.
How much does Sim Studio cost?: Sim Studio uses a free open source plus hosted model. The entry paid plan is $25 (Pro).
What can Sim Studio do?: Its headline capabilities: visual blocks; self-hosting; api deployment.
Who is Sim Studio for?: It is aimed at developers, startups, internal tooling.