Sim

Open-source workspace to build and run AI agent workflows

Agents and automation Local and open-source models

Sim is a visual, Apache-2.0 open-source workspace for building AI agent workflows that connect to hundreds of apps and many AI models, either in the cloud or self-hosted. Teams can design, test, and monitor agents together.

Available on

WebSelf-hosted

Pricing

Free $0 (1,000 one-time credits); Pro $25/user/mo; Max $100/user/mo; self-hosting free (open source)

Free tier available

Freemium pricing

Price checked Oct 29, 2026

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Source

Official pricing page

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