Sim alternatives
Sim by Sim Studio costs Free and is open source. If you need something cheaper, open source, self-hosted or simply different, here are 10 alternatives that do the same job, ranked by how widely they are used, with the differences that matter.
10 Sim alternatives, by popularity
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A workflow automation platform with a visual editor, several hundred integrations and native AI agent nodes. It can be self-hosted or used as a cloud service.
- Proprietary
- More widely used (Gid Score 75 vs 20)
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An open-source platform for building agentic workflows, retrieval pipelines and LLM applications with a visual builder. Available self-hosted or as a cloud service.
- More widely used (Gid Score 63 vs 20)
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A visual builder for AI agents and LLM workflows, distributed as an npm package and a Docker image.
- More widely used (Gid Score 49 vs 20)
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An all-in-one AI application for chatting with documents, multi-user workspaces and built-in agents, including a no-code agent-flow builder and MCP compatibility; runs as a desktop app or self-hosted with Docker.
- More widely used (Gid Score 43 vs 20)
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A visual, Python-based builder for AI agents and workflows that can also expose flows as APIs and MCP servers.
- More widely used (Gid Score 42 vs 20)
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An open-source automation platform with AI agent steps and MCP support, positioned as an alternative to closed workflow tools.
- More widely used (Gid Score 41 vs 20)
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ByteDance's open-source visual platform for developing AI agents, released from its Coze product.
- More widely used (Gid Score 38 vs 20)
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An open-source platform for building enterprise agents that combines retrieval pipelines, an agentic workflow engine, MCP tool use and multi-model support, commonly used for customer service and internal knowledge bases.
- More widely used (Gid Score 36 vs 20)
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AI teammate that lives in Slack and iMessage, connects to a team's tools through thousands of integrations and MCP, and handles inboxes, meetings and scheduled routines from a shared pool of credits; computer use is available on higher tiers. Earlier versions were centred on a no-code agent builder.
- Proprietary
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Platform for building and running teams of AI agents (an 'AI workforce') with tools, triggers, evaluations and enterprise controls, aimed at sales, support, marketing and operations work. It lists 2,000+ integrations, calling and meeting agents, and an API and MCP.
- Proprietary
Sim vs alternatives at a glance
| Agent | Price | Free to start | Open source | MCP | Local models | Gid Score |
|---|---|---|---|---|---|---|
| Sim | Free | ✓ | ✓ | ? | ? | 20 |
| n8n | Free | ✓ | ✕ | ? | ? | 75 |
| Dify | Free | ✓ | ✓ | ? | ? | 63 |
| Flowise | Free | ✓ | ✓ | ? | ? | 49 |
| AnythingLLM | Free + $50/mo | ✓ | ✓ | ? | ? | 43 |
| Langflow | Free (OSS) | ✓ | ✓ | ? | ? | 42 |
| Activepieces | Free | ✓ | ✓ | ? | ? | 41 |
| Coze Studio | Free (OSS) | ✓ | ✓ | ? | ? | 38 |
| MaxKB | Free | ✓ | ✓ | ? | ? | 36 |
| Lindy | $29.99/mo | ✕ | ✕ | ? | ? | 24 |
| Relevance AI | Custom | ✕ | ✕ | ? | ? | 19 |
Prices from the vendors' pricing pages; features from official docs (“?” means not documented). Full feature comparison · All prices
How teams use these tools
Triage support tickets with an n8n AI Agent and confidence-based routing
An n8n workflow cleans and validates incoming tickets with plain code nodes, uses an AI Agent only to classify urgency and type, and routes each ticket based on how confident the …
The suggested routing: above 0.85 processes autonomously, 0.6-0.85 is processed but flagged for review, and below 0.6 goes to a human.
How Qualified automated BDR work with 35+ Relevance AI agents
Qualified, a marketing software company, built more than 35 specialized agents on Relevance AI to handle business development work its ops manager once did by hand. Relevance AI r…
Relevance AI reports a 10x increase in output.
FAQ
What is the best alternative to Sim?
By usage, the closest alternative is n8n, followed by Dify, Flowise, AnythingLLM.
Is there a free alternative to Sim?
None of the closest alternatives has a free tier.
Is there an open-source alternative to Sim?
Yes. Dify is open source.
How do these Sim alternatives compare on price?
n8n: Free; Dify: Free; Flowise: Free; AnythingLLM: Free + $50/mo; Langflow: Free (OSS); Activepieces: Free.
Sim: pricing, features and stats · All agent builders and workflow automation · Find the right agent in 4 questions