Sim
Open-source AI workspace to build, deploy, and manage AI agents with 1,000+ integrations.
Sim is a flexible open-source choice for teams that want control over AI agents. The visual builder, broad LLM support, and 1,000+ integrations make it a cost-effective way to automate workflows. The learning curve and lack of mobile access might deter casual users, but for developers and ops teams it's a strong alternative to n8n or Zapier.
Verified 2d ago · liveness 78/100 · cite: rightaichoice.com/tools/sim
- Teams building internal automation workflows
- Developers wanting an open-source agent framework
- Operations teams automating cross-tool processes
- Enterprises needing SOC2-compliant agent orchestration
- Users needing a consumer-grade chatbot with no setup
- Teams requiring mobile app access (web only)
- Organizations wanting a fully managed, no-code-only platform
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Skip Sim if you need a zero-setup consumer chatbot, require mobile access, want a fully managed no-code platform, or need very low latency for real-time responses (sync timeout limited to 5 min on Free, 50 min on Pro/Max).
Free plan's 1,000 credits are one-time, so you'll hit a wall quickly and need to upgrade to Pro at $25/user/mo.
Sim's pricing fits teams that value open-source flexibility and deep integrations over turnkey simplicity. At $25/user/mo for Pro, it undercuts competitors like Zapier (which can exceed $60/mo for comparable usage) while offering more control. For self-hosted needs, Enterprise is custom-priced, but unlike n8n (free self-hosted), Sim's free tier is credit-limited, so heavy users will need a paid plan.
In short
Sim — Open-source AI workspace to build, deploy, and manage AI agents with 1,000+ integrations. Best for Teams building internal automation workflows, Developers wanting an open-source agent framework, Operations teams automating cross-tool processes. Free to start; paid plans from $25/user/mo.
What's new in Sim
Checked 2 days agoAcross the latest 4 updates: 3 feature updates and 1 changelog entry.
v0.8.17
Bug fixes for CI, browser tool lifecycle, and connector hydration, plus documentation updates removing i18n locales.
v0.8.16
Adds Dynamics 365 CRM and AWS Lambda integrations, 17 new OAuth providers, and period-labelled usage charts.
v0.8.14
Adds file find (Cmd/Ctrl+F), enterprise usage monitoring, and Codex client configuration, plus several bug fixes.
v0.8.13
Adds credential group access policies, TinyFish web agent integration, and live voice input waveform.
What people actually say about Sim — is it worth it?
We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.
106 mentions across 6 sources (Hacker News, YouTube, App Store, Stack Overflow, GitHub, Lemmy) · researched Sep 1, 2026.
- +Open-source and self-hostable, avoiding vendor lock-in.
- +1,000+ integrations and major LLM support (OpenAI, Anthropic, etc.).
- +Visual workflow builder plus code and plain-English agent creation.
- +SOC2 compliance signals enterprise-ready security posture.
- +Built-in observability with per-run traces, logs, and cost tracking.
- −Community feedback is scarce; limited proof of production reliability.
- −Credits system may feel limiting for heavy usage on free tier.
- −Intermediate skill level required—may overwhelm non-technical users.
- −Self-hosting adds operational complexity; needs maintenance.
- −Support quality unverified due to minimal public testimonials.
- • Self-hosting may incur infrastructure and maintenance costs not included in SaaS pricing
- • Credit consumption for complex workflows may scale faster than expected
Viability Score
How well maintained and how widely used is Sim? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: September 2026
How we score →Key Features
- Visual workflow builder
- Describe-to-build plain English agent creation
- Code-based agent development (DSL)
- Semantic knowledge base
- Tables for structured data
- Files for unstructured data
- Per-run tracing, logs, and cost monitoring
- Mothership orchestration for parallel agents
- Scheduled and webhook-triggered workflows
- MCP server and tool deployment
- REST API access
- Slack native trigger mode
- Self-hosting option
- SOC2 compliance
- Voice input waveform (v0.8.13)
About Sim
Sim is the open-source AI workspace where teams build, deploy, and manage AI agents. It connects 1,000+ integrations and every major LLM—OpenAI, Anthropic, Google, DeepSeek, xAI (grok-4.6), Cerebras, Groq, and Sakana AI—so you can automate real work. Trusted by over 100,000 builders and SOC2 compliant, Sim is production-ready for teams of every size. The platform offers three ways to build: a visual workflow builder, plain-English descriptions that Sim turns into working automations, and code. A semantic knowledge base gives agents memory of your data, while Tables and Files power agents with structured and unstructured context. Every run is traced block by block, with full logs and real cost visibility. Recent updates (v0.8.17) add bug fixes and documentation cleanups, while v0.8.16 introduced Dynamics 365 CRM, AWS Lambda integration, and seventeen new OAuth providers. v0.8.14 added file find (Cmd/Ctrl+F), enterprise usage monitoring, and Codex client configuration, while v0.8.13 introduced credential group access policies, TinyFish integration for web agents, and a live voice input waveform. The changelog shows a steady cadence of shipping—retry configurations and a page-aware command palette with ask-Sim mode arrived earlier in v0.8.0. Compared to closed-source alternatives like Zapier or Make, Sim's open-source model and deep integration catalog make it a flexible choice. For teams wanting a fully managed, no-code-only platform, Microsoft Copilot Studio is simpler, but Sim offers deeper customization, self-hosting, and enterprise control.
Behind the Verdict
Sim stands out in a crowded agent-builder market by being truly open-source and deeply integratable. The visual workflow builder is intuitive, and the ability to describe automations in plain English lowers the barrier for non-coders. For developers, the code-based DSL and MCP support offer flexibility that closed platforms like Zapier or Make lack. The breadth of LLM support—including OpenAI, Anthropic, Google, and xAI's grok-4.6—means you're not locked into a single model provider. However, Sim is not a consumer chatbot. It requires setup and a willingness to learn its workspace model. The Free plan is limited to 1,000 one-time credits and a 5-minute sync timeout, which may be restrictive for heavy prototyping. Teams needing very low latency for real-time responses should note that async timeouts are capped at 90 minutes across plans. Where Sim shines is in internal automation: sales teams routing leads, engineers triaging issues, IT resolving tickets. The per-run tracing and cost visibility are genuinely useful for debugging and budgeting. The recent addition of AWS Lambda and Dynamics 365 integrations (v0.8.16) expands its enterprise appeal, and credential group access policies (v0.8.13) address security concerns. That said, if you need a fully managed, no-code-only platform with zero infrastructure worries, Microsoft Copilot Studio or Zapier might be simpler. And if you're a solo user looking for a quick chatbot, Sim's workspace model may feel heavy. For teams that want control, transparency, and a growing integration catalog, Sim is a strong choice.
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Real-world workflow fit
Concrete scenarios for the personas Sim actually fits — and what changes day-one when you adopt it.
Automate lead enrichment and routing
Outcome: In under an hour, set up a workflow that triggers on new signups, enriches with company data, scores fit, and posts to #sales, saving hours of manual work daily.
Build a voice-interactive code review agent
Outcome: Use the visual builder and MCP tools to create an agent that triages GitHub PRs, runs lint checks, and posts comments, with voice input for hands-free control.
Set up ticket resolution automation
Outcome: Deploy a workflow that monitors Slack for IT requests, queries a knowledge base, and either resolves or escalates to Jira, with full tracing for audit.
Use Cases
- Automate email triage and response using Gmail and Slack integrations.
- Enrich leads by combining Apollo, Clearbit, and Salesforce in a single agent.
- Orchestrate multi-step code review workflows triggered by GitHub PRs.
- Monitor infrastructure alerts from Datadog and create Jira tickets automatically.
- Synchronize data between Notion databases and a Postgres warehouse on a schedule.
- Build a customer support agent that queries a knowledge base and escalates via Slack.
- Automate Shopify order management with the pinned API version.
- Use Gemini 3.6 Flash for fast, high-volume classification tasks.
Models Under the Hood
as of 2026-09-01
Limitations
- The Free plan provides 1,000 one-time credits, limiting ongoing use.
- Sync timeout is 5 minutes on Free, 50 minutes on Pro/Max, and async timeout is 90 minutes across plans, which may not suit real-time use cases.
- Log retention is 30 days on Free, unlimited on paid plans.
- Self-hosting and SSO are Enterprise-only, so smaller teams may lack those controls.
- The platform is web-only with no mobile apps.
as of 2026-09-01
Verification history
We have re-verified Sim 8 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Showing the 6 most recent of 8 verification passes.
Free to cite with attribution — this page re-verifies continuously.
12-month cost
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
Plans compared
For each published Sim tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Solo builders exploring agent automation with 1,000 one-time credits to prototype workflows.
What this tier adds
Starting tier with 1,000 one-time credits, 1 workspace, 5 GB storage, and 30-day log retention.
Pro
$25/user/mo
Ideal for
Growing teams needing steady monthly credits (6,000) with 3 workspaces and unlimited log retention.
What this tier adds
Adds monthly credit refresh, 3 workspaces, 50 GB storage, and unlimited log retention.
Max
$100/user/mo
Ideal for
Scaling businesses that need higher concurrency (200), unlimited workspaces, and advanced collaboration features like Access Control and Slack Connect.
What this tier adds
Unlimited workspaces, 25,000 credits/month, 200 concurrent executions, and includes features like Sandboxes and Slack Connect.
Enterprise
Custom
Ideal for
Large organizations requiring SOC2 compliance, SSO, self-hosting, and custom limits.
What this tier adds
Custom credits and limits, up to 1,000 concurrent executions, self-hosting, and dedicated support.
Where the pricing makes sense
The company stage and team size where Sim's pricing actually pencils out — and where peers do it cheaper.
Sim's pricing fits teams that value open-source flexibility and deep integrations over turnkey simplicity. At $25/user/mo for Pro, it undercuts competitors like Zapier (which can exceed $60/mo for comparable usage) while offering more control. For self-hosted needs, Enterprise is custom-priced, but unlike n8n (free self-hosted), Sim's free tier is credit-limited, so heavy users will need a paid plan.
Setup time & first value
How long it actually takes to get something useful out of Sim — broken out by persona, not the marketing-page minute.
Most users can build their first workflow in under 30 minutes, thanks to the visual builder and describe-to-build feature. Developers familiar with APIs can integrate MCP tools and custom code within an hour. Complex multi-agent orchestrations may take a few hours to fine-tune.
Switching to or from Sim
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From n8n: Export existing workflows as JSON and re-create them in Sim's visual builder, or use the code DSL for a more direct port.
- →From Zapier: Replicate zaps as workflows, using Sim's integrations to reconnect apps like Gmail, Slack, and Salesforce.
- →From Make: Use Sim's integration catalog to map scenarios, then adapt filters and transformations in the visual builder.
- ↗To n8n: Export Sim workflows as JSON and adapt using n8n's code nodes for custom logic.
- ↗To Zapier: Recreate workflows using Zapier's app triggers and actions, though you'll lose some custom code flexibility.
Integrations
Resources & Guides
Tutorials & Learning
Tools that pair well with Sim
Common stack mates teams adopt alongside Sim, with the specific reason each pairing earns its keep.
Lyzr
Enterprise agent control plane to govern, simulate, and deploy AI agents from PoC to production.
AutoGen Studio
Open-source, low-code GUI for prototyping multi-agent AI systems on Microsoft's AutoGen.
Relevance AI
Build and deploy autonomous enterprise agents with built-in orchestration, evals, and governance.
Featured Head-to-Head Comparisons
Sim vs Spider Cloud
Choose Sim if your priority is building and orchestrating custom AI agents across many internal tools and LLMs, especially if you need visual workflow design and self-hosting. Choose Spider Cloud if your primary need is fast, reliable, and cost-effective web crawling and scraping to feed external data into AI agents or RAG pipelines. They solve different problems: internal process automation vs. external data acquisition.
Sim vs Presto Voice
If you're building internal automation across many tools, Sim's open-source agent platform with 1000+ integrations and freemium pricing is the clear choice. If you run a QSR drive-thru chain, Presto Voice is purpose-built for that single use case with proven ROI metrics. For most buyers, Sim offers far more flexibility and value.
Sim vs Temporal Ai
Choose Sim if you want a turnkey AI agent builder with 1,000+ integrations and a visual workflow editor — ideal for rapid automation without heavy coding. Choose Temporal AI if you need rock-solid durability, automatic retries, and SDK-driven orchestration for mission-critical, long-running workflows — even though it demands more upfront investment in workflow-as-code thinking.
Alternatives to Sim
View allLyzr
Enterprise agent control plane to govern, simulate, and deploy AI agents from PoC to production.
AutoGen Studio
Open-source, low-code GUI for prototyping multi-agent AI systems on Microsoft's AutoGen.
Relevance AI
Build and deploy autonomous enterprise agents with built-in orchestration, evals, and governance.
Frequently Asked Questions
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