Stack AI vs Langflow vs GitHub Copilot CLI vs Haystack

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

Your tool
Stack AI
vs
Competitor 1
Langflow
Competitor 2
GitHub Copilot CLI
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
Remove
Competitor Langflow
langflow.org
Drag and drop AI
Make main Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main 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
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
215.3Kvisits/mo
—
—
MoM change
▼ 57.9%
▼ 0.7%
—
—
6-month growth
-93.7%
-4.9%
—
—
Global rank web
#1,700,092
#217,191
—
—
Avg. last 3 months
13.9K
225.2K
—
—
Bounce rate lower is better
39%
44%
—
—
Pages / visit
1.8
2.2
—
—
Visit duration
14s
1m 04s
—
—
Traffic sources
—
● Direct 76% · ● Referral 24%
—
—
Stack AILangflowGitHub Copilot CLIHaystack
073.8K147.7K221.5K295.3KStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3K1K10K100K1MStack 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 · 6.3KLangflow · 295.3KLangflow · 247KLangflow · 269.8KLangflow · 226.5KLangflow · 239.5KLangflow · 229.4KLangflow · 243.6KLangflow · 216.8KLangflow · 215.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
Free
—
Starting price
Free tier
Free
Free
—
Free tier
–
Free trial
–
–
–
API access
–
–
Plans
—
—
—
—
Capabilities input → output
Input
DataDocumentsText
Text
CodeText
CodeDocuments
Output
Apps
Apps
Code
Apps
Skill level
Intermediate
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
9
4
5
Agents
Agent creation
–
Developer tools
–
No-code
–
–
LLM development
–
–
Workflows
–
–
Coding
–
–
–
Business automation
–
–
–
Chatbots
–
–
–
Development
–
–
–
Process automation
–
–
–
APIs
–
–
–
Agent memory
–
–
–
Finance workflow automation
–
–
–
GitHub management
–
–
–
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.