StackAI alternatives: 6 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank All AI chatbot and AI agent builders

Top picks

Best overall
MindStudio
Individual plan: $20/month + usage
Best free option
n8n
Cloud starting price: €20/month (annual), 2.5K executions
Best open source
Langflow
Open source

Common reasons people leave StackAI: free plan is capped at 500 runs, 2 projects and 1 seat, and paid use is a custom enterprise quote with no self-serve tier. We ranked 6 alternatives by how directly each one replaces StackAI, then by reviews, real visits and how recently each app's facts were checked against its own website. MindStudio currently ranks first.

StackAI has been acquired. Being acquired by Asana, according to an announcement on the StackAI website.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	MindStudio	Free plan + paid	$20/month + usage	No	Web, Browser extension	4 of 4	68.8
2	n8n	Free plan + paid	€20/month (annual), 2.5K executions	No	Web, Self-hosted	9 of 9	67.6
3	Langflow	Open source	—	Yes	Web, Windows, macOS +2	5 of 5	64.8
4	Botpress	Free plan + paid	$150/month billed annually (Plus)	No	Web	7 of 7	59.4
5	Lindy	Free plan + paid	$29.99 per user/month for 3,000 credits	No	Web, Browser extension, iOS	6 of 6	50.0
6	Gumloop	Paid	$37 per month (Pro)	No	Web	4 of 4	49.0

1. MindStudioTop pick
Best for: Non-developers building AI agents and internal tools that mix many model types
Free plan + paidWeb, Browser extension
68.8
score / 100
Why switch from StackAI
Self-serve no-code agent builder with a low-cost individual plan and 200+ models included.
Pros
200+ AI models available without managing API keys
Built-in debugger and model comparison for testing
Cheap individual plan with unlimited agents and runs
Says customer data is not used for training
Cons
Model usage is billed on top of the plan fee
Free plan allows only one agent
SSO, audit logs and self-hosting are limited to higher tiers
Visit MindStudio Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is MindStudio a good StackAI alternative?
Verified facts
4 of 4 verified
Free plan
1 agent, 1,000 runs/month + usage
Checked Nov 8, 2026mindstudio.ai(opens source in a new tab)
Individual plan
$20/month + usage
Checked Nov 8, 2026mindstudio.ai(opens source in a new tab)
AI models
200+
Checked Nov 8, 2026mindstudio.ai(opens source in a new tab)
Self-hosting
Enterprise option
Checked Nov 8, 2026mindstudio.ai(opens source in a new tab)
2. n8n
Best for: Technical teams that want self-hosted automations and AI agents without per-task fees
Free plan + paidSelf-hostableWeb, Self-hosted
67.6
score / 100
Why switch from StackAI
Self-hostable automation platform with AI agent nodes and a large integration library.
Pros
Free self-hosted Community edition
Priced per execution, not per step
Code nodes and strong AI agent tooling
Cons
Fair-code licence restricts commercial resale
Less friendly for non-technical users
SSO and version control need paid editions
Visit n8n Details and reviews
How this score is calculated
Editorial fit ×0.346
Reviews ×0.363
Clicks (90 days) ×0.15100
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is n8n a good StackAI alternative?
Verified facts
9 of 9 verified
Cloud starting price
€20/month (annual), 2.5K executions
Checked Nov 8, 2026n8n.io(opens source in a new tab)
Pro price
€50/month (annual), 10K executions
Checked Nov 8, 2026n8n.io(opens source in a new tab)
Self-hosting
Yes, free Community edition
Checked Nov 8, 2026docs.n8n.io(opens source in a new tab)
Integrations
2,000+
Checked Nov 8, 2026n8n.io(opens source in a new tab)
License
Sustainable Use License (fair-code)
Checked Nov 8, 2026docs.n8n.io(opens source in a new tab)
Starting price
€20/month billed annually (Starter, 2.5K executions)
Checked Nov 8, 2026n8n.io(opens source in a new tab)
Pro plan
€50/month billed annually, 10K executions
Checked Nov 8, 2026n8n.io(opens source in a new tab)
Business plan
€667/month billed annually, 40K executions, self-hosted
Checked Nov 8, 2026n8n.io(opens source in a new tab)
Free trial
14 days, no credit card
Checked Nov 8, 2026n8n.io(opens source in a new tab)
3. Langflow
Best for: Developers prototyping AI agents and RAG flows visually who want Python-level control
Open sourceSelf-hostableWeb, Windows, macOS, Linux, Self-hosted
64.8
score / 100
Why switch from StackAI
Open-source visual agent builder you can self-host for free, with full Python control.
Pros
MIT licensed and free to self-host
Every component is editable Python code
Can expose flows as MCP servers and connect to external MCP tools
Works with many LLM providers and vector stores
Cons
Assumes some understanding of LLM concepts like embeddings and vector stores
Self-hosted production setups need your own scaling and monitoring
No built-in channel integrations like WhatsApp or live-agent handoff
Visit Langflow Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Langflow a good StackAI alternative?
Verified facts
5 of 5 verified
License
MIT
Checked Nov 8, 2026github.com(opens source in a new tab)
Open source
Yes, Python-based
Checked Nov 8, 2026docs.langflow.org(opens source in a new tab)
MCP server
Yes
Checked Nov 8, 2026docs.langflow.org(opens source in a new tab)
Desktop app
Langflow Desktop
Checked Nov 8, 2026docs.langflow.org(opens source in a new tab)
Cloud
Free cloud account
Checked Nov 8, 2026langflow.org(opens source in a new tab)
4. Botpress
Best for: Support teams and agencies building AI agents that need custom logic and integrations
Free plan + paidWeb
59.4
score / 100
Why switch from StackAI
Better fit when the main goal is a customer-facing chatbot on web and messaging channels.
Pros
Free plan for testing with real conversations
No per-seat fees on the Team plan and above
Visual studio plus a developer kit for custom logic
Large community on Discord and an open-source SDK
Cons
Paid plans start well above simple chat widgets
Conversation packs are added automatically once the quota is reached
Voice channel is only on the Enterprise plan
Visit Botpress Details and reviews
How this score is calculated
Editorial fit ×0.369
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Botpress a good StackAI alternative?
Verified facts
7 of 7 verified
Free plan
Yes, $0 with 100 conversations
Checked Nov 8, 2026botpress.com(opens source in a new tab)
Plus plan
$150/month billed annually
Checked Nov 8, 2026botpress.com(opens source in a new tab)
Pricing basis
Per conversation, not per seat
Checked Nov 8, 2026botpress.com(opens source in a new tab)
Security
SOC 2, GDPR compliant
Checked Nov 8, 2026botpress.com(opens source in a new tab)
GitHub repo licence
MIT
Checked Nov 2, 2026github.com(opens source in a new tab)
Starting price
$150/month billed annually (Plus)
Checked Nov 8, 2026botpress.com(opens source in a new tab)
Team plan
$750/month billed annually
Checked Nov 8, 2026botpress.com(opens source in a new tab)
5. Lindy
Best for: Small teams that want an AI assistant in Slack to handle reports, inbox and CRM chores
Free plan + paidWeb, Browser extension, iOS
50.0
score / 100
Why switch from StackAI
Hosted AI agents for business tasks like email and scheduling, with self-serve plans.
Pros
Works from Slack, email and iMessage instead of a separate app
1,500+ integrations plus MCP support
SOC 2 Type II, GDPR and HIPAA compliance
Cons
Credit-based billing makes monthly costs hard to predict
Free credits are a short trial rather than a lasting free plan
Less deterministic than step-by-step workflow tools
Visit Lindy Details and reviews
How this score is calculated
Editorial fit ×0.338
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Lindy a good StackAI alternative?
Verified facts
6 of 6 verified
Free credits
$50, no card required
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
Integrations
1,500+ and MCP
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
Compliance
SOC 2 Type II, GDPR, HIPAA
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
Credit top-ups
$10 per 1,000 credits
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
Starting price
$29.99 per user/month for 3,000 credits
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
Free trial
$50 in credits for 7 days, no card required
Checked Nov 8, 2026lindy.ai(opens source in a new tab)
6. Gumloop
Best for: Teams automating research, enrichment and content tasks with AI models
PaidWeb
49.0
score / 100
Why switch from StackAI
No-code AI workflow builder with transparent self-serve pricing for smaller teams.
Pros
Built around AI steps and agents
Choice of AI models with admin controls
Bring your own API keys
Cons
Credit costs vary with AI usage
Smaller classic integration catalogue
No free plan; paid plans start with a trial
Visit Gumloop Details and reviews
How this score is calculated
Editorial fit ×0.334
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Gumloop a good StackAI alternative?
Verified facts
4 of 4 verified
Starting price
$37 per month (Pro)
Checked Nov 8, 2026gumloop.com(opens source in a new tab)
AI model controls
Admins can restrict which models teams use
Checked Nov 8, 2026gumloop.com(opens source in a new tab)
Compliance
SOC 2 Type II, GDPR
Checked Nov 8, 2026gumloop.com(opens source in a new tab)
Free trial
14 days
Checked Nov 8, 2026gumloop.com(opens source in a new tab)

The best StackAI alternative for…

The highest-ranked app in this list for each need.

Best StackAI alternative for most people

MindStudio

Self-serve no-code agent builder with a low-cost individual plan and 200+ models included.