GitHub Copilot vs Stack AI vs Langflow vs Haystack

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

Your tool
GitHub Copilot
vs
Competitor 1
Stack AI
Competitor 2
Langflow
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Langflow
langflow.org
Drag and drop AI
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
637.9Mvisits/mo
6.3Kvisits/mo
215.3Kvisits/mo
—
MoM change
▲ 3.7%
▼ 57.9%
▼ 0.7%
—
6-month growth
+19.3%
-93.7%
-4.9%
—
Global rank web
#49
#1,700,092
#217,191
—
Avg. last 3 months
629.7M
13.9K
225.2K
—
Bounce rate lower is better
36%
39%
44%
—
Pages / visit
5.9
1.8
2.2
—
Visit duration
6m 26s
14s
1m 04s
—
Traffic sources
● Direct 83% · ● Referral 15%
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● Direct 76% · ● Referral 24%
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GitHub CopilotStack AILangflowHaystack
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MStack 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 · 215.3K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MStack 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
Freemium
Free
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Starting price
$4per month · free tier available
Free tier
Free
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Free tier
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Free trial
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API access
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeText
DataDocumentsText
Text
CodeDocuments
Output
Code
Apps
Apps
Apps
Skill level
Intermediate
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Chatbots & CompanionsDevelopment & CodeProductivity & OfficeAI Agent+3 more
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
5
9
5
Agents
Agent creation
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No-code
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LLM development
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Workflows
–
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Developer tools
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Coding
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–
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Chatbots
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–
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Code reviews
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–
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Development
–
–
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APIs
–
–
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Agent management
–
–
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Agent memory
–
–
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Finance workflow automation
–
–
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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
2
0
0
0
Verified listing
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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.