Sim
Open-source workspace to build and manage AI agents at scale.
At a glance
Free + paid · Source review 2026-11-02- Price & billing
Official pricing page reviewed 2026-11-02: Free plan $0 free forever with 1,000 included credits; Pro $25 per user per month billed monthly; Max $100 per user per month billed monthly; annual billing is 15% off.
- Free allowance
Official pricing page reviewed 2026-11-02: Free plan $0 free forever with 1,000 included credits; Pro $25 per user per month billed monthly; Max $100 per user per month billed monthly; annual billing is 15% off.
- Best suited to
Teams building, distributing, and governing AI agent systems
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Teams building, distributing, and governing AI agent systems
Limits and trade-offs
Credit limits and enterprise features differ by plan; self-hosting and compliance details must be confirmed for enterprise, and no authenticated product test was run.
Plans and free allowances
Official pricing page reviewed 2026-11-02: Free plan $0 free forever with 1,000 included credits; Pro $25 per user per month billed monthly; Max $100 per user per month billed monthly; annual billing is 15% off.
Evidence
Official homepage ↗ (reviewed 2026-11-02), Official pricing page ↗ (reviewed 2026-11-02)
Official published page review; no authenticated product test
Dates: Last reviewed 2026-11-02. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at Sim
Sim is the AI workspace to build, distribute, and govern AI agents, working with every major LLM. It combines enterprise control over access, spend, data, and deployment, visual or chat or code workflows for repeatable agent systems, a knowledge base grounding agents in trusted company knowledge, files for agent inputs and outputs, and tables giving agents structured data to read.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose Sim
- Teams building production agent systems
- Enterprises governing agent access and spend
- Developers connecting agents to company knowledge
When to choose something else
- Users who need a single chatbot with no workspace governance
- Teams that need only one LLM with no multi-model support
A practical starting workflow
- Design an agent system visually, through chat, or with code
- Ground the agent in the company knowledge base
- Organize agent inputs, outputs, and shared artifacts in files
- Give agents structured data through tables
- Govern access, spend, data, and deployment across the workspace
Check before committing
- Vendor claims on the official page are not guarantees; actual results, quality and availability must be tested in the product.
- Prices and features may change after this review; recheck the official site before purchase or signup.
Common questions
What is Sim?
An AI workspace to build, distribute, and govern AI agents across every major LLM, with workflows, knowledge bases, files, and tables.
Is there a free plan?
Yes, the Free plan costs $0 free forever with 1,000 included credits.
How much are Pro and Max?
Pro costs $25 per user per month billed monthly, and Max costs $100 per user per month billed monthly, with annual billing 15% off.
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Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.