Stack AI vs Dify: AI Agent Builder Comparison
Stack AI and Dify are platforms for building enterprise AI agents and workflows.
- Verified 13 Nov 2026Sources are dated on this page
- 8 sourcesLinked, typed and dated
- No winner declaredFit depends on your criteria
- Not tested by Stack18Editorial summary of documented facts
Stack AI vs Dify: the short answer
Stack AI and Dify are platforms for building enterprise AI agents and workflows. Stack AI has a free plan and custom Enterprise pricing after withdrawing its mid tiers in 2026, while Dify is free to self-host with cloud plans at $59 and $159 a month.
Stack AI, now owned by Asana, targets regulated enterprises; Dify is open source. We compare what documentation supports and mark everything else Unknown. We declare no overall winner, because the better choice depends on channels, integrations, oversight needs, pricing model and budget.
Choose Stack AI if you- Regulated enterprises automating back-office work
- IT-led multi-department rollouts
- Asana customers
Choose Dify if you- Developers building RAG chatbots and agents
- Teams that want to self-host
- Enterprises standardising on one AI app platform
Stack AI and Dify at a glance.
One card per product, drawn from each full profile. Open a profile for features, pricing plans, limits and sources.
Stack AI
Stack AI, part of Asana · AI Chatbot Builders
Stack AI is a no-code platform for building AI agents and workflows that run inside enterprise back-office processes, combining a drag-and-drop builder, knowledge bases over private documents, interfaces and analytics, with private model deployment and compliance features. Asana acquired the company in May 2026.
Agentic tool- Pricing
- Free plan; Enterprise custom (Builder $99 and Team $499 plans withdrawn in 2026).
- Best for
- Regulated enterprises automating back-office work
Dify
LangGenius · AI Chatbot Builders
Dify is an open-source platform from LangGenius for building and running LLM applications: agents, agentic workflows, chatbots and RAG pipelines, designed on a visual canvas and published as web apps, APIs, embeds or MCP-compatible tools. It is available as free self-hosted software and as Dify Cloud.
Agentic tool- Pricing
- Free self-hosted; Cloud Professional $59 and Team $159 a month; Enterprise custom.
- Best for
- Developers building RAG chatbots and agents
Stack AI vs Dify: feature-by-feature comparison.
Every row is drawn from the sources listed below. Rows that differ are marked, and you can filter the table to show only those.
- YesDocumented
- PartialAvailable with limits or on some plans
- NoDocumented as unavailable
- UnknownNot documented in the sources reviewed
| Dimension |  Stack AI |  Dify |
|---|---|---|
| Product | ||
| Channels and interface | YesChat interfaces, forms and API. | YesWeb apps, embeds, API and MCP. |
| AI models | YesAll major providers; private deployment. | Yes100+ providers, including local. |
| Open-source or self-hostingDiffers | NoProprietary. | YesOpen source under the Dify Open Source License (Apache 2.0 with conditions). |
| Pricing | ||
| Free tier | YesYes (500 runs a month). | YesYes (self-host; 200 Cloud credits). |
| Pricing model | YesFree; Enterprise custom. | YesFree self-host; Cloud from $59 a month. |
| Published plan prices reviewedDiffers | PartialFree plan published; Enterprise custom. | YesSandbox free; $59 and $159 Cloud plans. |
| Agent actions | ||
| Actions in business systems | YesAgents run workflow steps. | YesAgents call tools and code. |
| Extensibility | ||
| Integrations, API and MCPDiffers | PartialIntegrations and API; MCP not reviewed. | YesPublishes and consumes MCP tools. |
| Control | ||
| Human handoff and approval controlsDiffers | PartialApproval steps configurable. | YesHuman review nodes. |
| Administration | ||
| Security, compliance and adminDiffers | YesSSO, audit log, SOC 2 Type II, private deployment. | PartialSSO and RBAC on paid or Enterprise plans. |
Stack AI vs Dify pricing.
Stack AI pricing
Free plan and custom Enterprise; LLM tokens at provider rates or BYOK.
- FreeFree
- EnterpriseCustom
Prices from a vendor-published source. Checked 13 Nov 2026.
All Stack AI plans and sources
Dify pricing
Free self-hosted Community Edition; Cloud workspace subscriptions with message credits; Enterprise custom.
- Community (self-hosted)Free
- Sandbox (Cloud)Free
- Professional (Cloud)$59 per month
- Team (Cloud)$159 per month
- EnterpriseCustom
Prices from a vendor-published source. Checked 13 Nov 2026.
All Dify plans and sourcesStack AI: Free plan; Enterprise custom (Builder $99 and Team $499 plans withdrawn in 2026).
Dify: Free self-hosted; Cloud Professional $59 and Team $159 a month; Enterprise custom. Prices and allowances change often, so confirm on each vendor's live page.
Prices and plans change. Confirm current terms with each vendor before you decide.
Stack AI vs Dify: implementation, ecosystem, AI and security.
Ease of implementation and usability
We did not test setup or onboarding effort. Pilot both on a real, bounded process from your business, with your own data, policies and escalation rules.
Integrations and ecosystem
Stack AI: SharePoint, Google Drive, Salesforce, Slack, AWS Bedrock, Azure OpenAI. Dify: OpenAI, Anthropic, Google Gemini, Ollama and local models, 100+ model providers, MCP.
AI capabilities
AI models: Stack AI - All major providers; private deployment. Dify - 100+ providers, including local.
Security, deployment and administration
Security and admin controls: Stack AI - SSO, audit log, SOC 2 Type II, private deployment. Dify - SSO and RBAC on paid or Enterprise plans. Check each vendor's security documentation for certifications and data-retention terms.
Stack AI and Dify: each option, in balance.
Stack AI
Strengths and limitations from the profile
- Strong enterprise deployment and compliance.
- No-code for non-engineers.
- Free plan to evaluate.
- Jumps from Free straight to custom Enterprise.
- Ownership changed to Asana in May 2026.
- Small teams lose self-serve paid options.
Dify
Strengths and limitations from the profile
- Free self-hosting with the full visual builder.
- Broad model and plugin support.
- Large open-source community.
- Licence is not OSI-approved open source.
- SSO, RBAC and audit logs gated to paid plans.
- Cloud Sandbox has a 200-credit cap.
Stack AI or Dify: which fits which situation?
No overall winner is declared. The better choice depends on the criteria that matter most to you, so test both against your own requirements.
Choose Stack AI if you…
- Regulated enterprises automating back-office work
- IT-led multi-department rollouts
- Asana customers
Choose Dify if you…
- Developers building RAG chatbots and agents
- Teams that want to self-host
- Enterprises standardising on one AI app platform
Switching between Stack AI and Dify.
Moving between Stack AI and Dify means rebuilding agent flows and prompts, re-uploading knowledge sources, reconnecting channels and tools, and re-testing conversations end to end. Rebuild one representative agent in the other platform first.
- Export a sample of your data and test an import into the other product.
- List the automations, integrations and permissions you would need to rebuild.
- Pilot with one team before a full cut-over.
- Check contract terms and notice periods with both vendors.
General guidance, not specific to either vendor. Confirm migration options with the vendors.
Stack AI vs Dify: questions and answers
Is Stack AI or Dify better?
The sources reviewed do not support a single ranking. Stack AI has a free plan and custom Enterprise pricing after withdrawing its mid tiers in 2026, while Dify is free to self-host with cloud plans at $59 and $159 a month. Pilot both on a sample of your own conversations, leads or workflows before choosing.
Does Stack AI have a free plan?
Yes. The Free plan includes 500 runs a month, 2 projects and 1 seat.
Does Dify have a free plan?
Yes. Self-hosting is free, and Dify Cloud Sandbox includes 200 message credits.
Which is cheaper, Stack AI or Dify?
Stack AI: Free plan; Enterprise custom (Builder $99 and Team $499 plans withdrawn in 2026). Dify: Free self-hosted; Cloud Professional $59 and Team $159 a month; Enterprise custom. The cheaper option depends on seats, usage and which plan features you need.
How do Stack AI and Dify differ on integrations?
Stack AI: Integrations and API; MCP not reviewed. Dify: Publishes and consumes MCP tools.
Where this comparison comes from.
- How much does Stack AI cost in 2026? Automation Atlas Third-party Accessed 13 Nov 2026
- Stack AI Automation Atlas Third-party Accessed 13 Nov 2026
- Stack AI: the complete guide (2026) Macha Third-party Accessed 13 Nov 2026
- Stack AI pricing 2026: free, then call sales DailyAIFixs Third-party Accessed 13 Nov 2026
- Dify pricing teardown 2026 DEV Community (Beton) Third-party Accessed 13 Nov 2026
- Dify pricing blueprint UsagePricing Third-party Accessed 13 Nov 2026
- Dify listing Beri Third-party Accessed 13 Nov 2026
- Dify facts and plans MacMyths Third-party Accessed 13 Nov 2026
Comparison rows summarise the sources listed and the two profiles. Confirm current details with each vendor. Stack18 has not tested either product.
Ready to test Stack AI and Dify?
Check each vendor's current pricing and terms, run both against a real scenario from your business, or talk to Stack18 if off-the-shelf software is not the answer.
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