Dify
Depends
Confidence: Medium
Buy if you have technical staff to run and patch infrastructure and you need production agents or RAG with self-host/VPC control.
New check
Comparison
Dify vs StackAI
Dify and StackAI both land on Depends.
StackAI
Depends
Confidence: Medium
Buy if you're an enterprise needing governed, compliant AI agents at scale and can handle sales-led pricing.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Technical teams building production agents and RAG | Enterprises deploying agents at scale |
| Who it's not for | Non-technical teams wanting plug-and-play automation | Small teams that just need simple automations . this is enterprise weight |
| Privacy | Checkered: multiple public CVEs, one actively exploited, and cross-tenant research flaws; a Trust Center exists but self-hosters carry the patching burden.⁵ | SOC 2 Type II; no known public vulnerabilities found in the sources reviewed.15 |
| Support quality | No usable support evidence in sources | Too few reviews to judge |
| Public sentiment | Users praise the value and drag-and-drop build experience, but the independent review base is small and reliability concerns surface in evaluations.⁴ | Reviews are sparse . roughly 39 G2 reviews averaging 4.6/5, with no detailed user quotes captured in the sources reviewed.13 |
| Biggest gotcha | Self-hosters must patch fast: repeated CVEs, including active exploitation⁶ | No public pricing for the paid/Enterprise tier; expect negotiation and usage-based surprises14 |
Pick Dify when
- Technical teams building production agents and RAG
- Enterprises needing VPC or self-hosted AI
- Docs-heavy knowledge-base assistants
- Startups prototyping LLM apps cheaply
When Dify is not a fit
- Non-technical teams wanting plug-and-play automation
- Anyone unwilling to patch self-hosted installs quickly
- Simple single-chatbot needs . this is serious overkill
Pick StackAI when
- Enterprises deploying agents at scale
- Regulated industries (healthcare, finance)
- Non-technical teams building agents no-code
- Docs-heavy workflows
When StackAI is not a fit
- Small teams that just need simple automations . this is enterprise weight
- Solo founders who can't sit through sales-led custom pricing
- Teams with nobody to own agent governance and ops
- Startups needing transparent, self-serve pricing today
Sources
- Dify . official sitedify.aiofficial
review
- Dify Pricing 2026: Plans, Costs & Hidden Feescheckthat.aireview
review
security
- CVE-2025-56520 exploitation trackingcrowdsec.netsecurity
- CVE-2025-3466 RCE detailsentinelone.comsecurity
- Dify $30M Series Pre-A announcementbusinesswire.comnews
- langgenius/dify on GitHubgithub.comofficial
- Dify Customers . CB Insightscbinsights.comnews
review
- Dify reliability scoringrfp.wikireview
- Stack AI Pricing 2026: Plans & Hidden Costscostbench.comreview
- Stack AI 2026: No-Code Enterprise AI Agents | Automation Atlasautomationatlas.ioreview
- Stack AI: What It Is and Best Alternatives [2026]voiceflow.comreview