Sim is an open-source AI workspace designed for teams to build, deploy, and manage AI agents that automate real-world tasks. The platform enables users to create agentic workflows visually, conversationally, or with code, addressing the need for flexible and accessible automation solutions across organizations of varying sizes.
A central feature of Sim is its extensive integration ecosystem, offering connectivity to over 1,000 applications and tools, including platforms such as Slack, HubSpot, Salesforce, Notion, GitHub, Gmail, Jira, Linear, Supabase, and Stripe. This allows agents built in Sim to act across existing technology stacks. The platform supports running agents on every major large language model (LLM), including models from OpenAI, Anthropic, Google, DeepSeek, xAI, Cerebras, Groq, and Sakana AI. Users can compose agent logic using a visual builder, or simply describe their needs in plain English for Sim to assemble the necessary blocks, models, and integrations automatically.
Sim provides tools for monitoring and managing agents, allowing users to trace each run block by block, view full logs, and track real costs. The workspace is designed to handle agent data contextually, storing information semantically in tables, files, and knowledge bases that agents can access to ground their reasoning and outputs in the organization’s own data. Features such as agent routers, workflow builders, parallel processing, guardrails, evaluators, loops, and API blocks are available to support complex automation scenarios.
The platform is SOC2 compliant and positioned as production-ready for teams of any size. Sim offers both enterprise and self-hosting options, with details about pricing and deployment models referenced but not elaborated in the available information. As an open-source solution, it supports collaborative development and customization. Sim is classified as a workspace for building, deploying, and managing autonomous AI agents, with a focus on integration, workflow automation, and operational transparency.
In the Autonomous agents & workflows space, Sim takes a focused approach. Enabling teams to build, deploy, and manage AI agents and workflows across multiple integrations and models. Sim is an open-source project aimed at developers. The product follows a commercial open-source model under the Apache-2.0 license. The product ships for the web, the command line, and API, and it can be self-hosted.
It is developed by Sim Studio AI, and the product first shipped in 2025. The project is developed in the open on GitHub with 29k stars and 1.2k commits in the last 90 days. Across PulseGate's embedding index, Sim has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are agent builder, workflow automation, and 1000+ integrations. It exposes integrations via a public API.
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