Stack AI vs Haystack vs Agno vs Activepieces

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Stack AI
vs
Competitor 1
Haystack
Competitor 2
Agno
Competitor 3
Activepieces
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Make main Remove
Competitor Agno
agno.com
Agno is an agent platform that runs in your own cloud and covers the full lifecycle of building, serving and managing AI agents.
Make main Remove
Competitor Activepieces
activepieces.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
—
221.7Kvisits/mo
MoM change
▼ 57.9%
—
—
▲ 1.8%
6-month growth
-93.7%
—
—
-10.0%
Global rank web
#1,700,092
—
—
#174,361
Avg. last 3 months
13.9K
—
—
226.6K
Bounce rate lower is better
39%
—
—
39%
Pages / visit
1.8
—
—
3.8
Visit duration
14s
—
—
2m 39s
Traffic sources
—
—
—
● Direct 74% · ● Referral 24%
Stack AIHaystackAgnoActivepieces
061.6K123.1K184.7K246.2KStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7K1K10K100K1MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KActivepieces · 209.7KActivepieces · 239.2KActivepieces · 236KActivepieces · 187.9KActivepieces · 246.2KActivepieces · 223.6KActivepieces · 218.4KActivepieces · 240.1KActivepieces · 217.9KActivepieces · 221.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
—
Freemium
Freemium
Starting price
Free tier
—
$150per month · free tier available
$20per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
Plans
—
—
Free FreePro $150/moEnterprise Custom
Free FreePlus $20/moTeam $200/mo
Capabilities input → output
Input
DataDocumentsText
CodeDocuments
CodeText
Text
Output
Apps
Apps
Apps
Apps
Skill level
Intermediate
Advanced
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Productivity & OfficeAI AgentAI Workflow
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
7
7
10
4
Agents
Agent creation
Workflows
–
No-code
–
–
Developer tools
–
–
Self hosted
–
–
Agent memory
–
–
LLM development
–
–
–
RAG
–
–
–
Agent management
–
–
–
Business automation
–
–
–
Process automation
–
–
–
AI system monitoring
–
–
–
Agent collaboration
–
–
–
Agent testing
–
–
–
Finance workflow automation
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.