Stack AI vs GitHub Copilot vs Kimi Code 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
GitHub Copilot
Competitor 2
Kimi Code
Competitor 3
Haystack
Compare
4 tools · best value per row highlighted
Your tool Stack AI
stack-ai.com
Connect AI models visually
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
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
637.9Mvisits/mo
60.1Mvisits/mo
—
MoM change
▼ 57.9%
▲ 3.7%
▲ 52.2%
—
6-month growth
-93.7%
+19.3%
+33.8%
—
Global rank web
#1,700,092
#49
#852
—
Avg. last 3 months
13.9K
629.7M
48.3M
—
Bounce rate lower is better
39%
36%
37%
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Pages / visit
1.8
5.9
3.9
—
Visit duration
14s
6m 26s
7m 13s
—
Traffic sources
—
● Direct 83% · ● Referral 15%
● Direct 89% · ● Referral 10%
—
Stack AIGitHub CopilotKimi CodeHaystack
0159.5M318.9M478.4M637.9MStack 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 · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M1K10K100K1M10M100M1BStack 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 · 6.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
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Starting price
Free tier
$4per month · free tier available
$15per month · free tier available
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Free tier
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Free trial
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–
API access
–
–
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Plans
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Free FreeTeam $4/moEnterprise $21/mo
Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
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Capabilities input → output
Input
DataDocumentsText
CodeText
CodeText
CodeDocuments
Output
Apps
Code
Code
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
9
6
7
Agents
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Coding
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Agent creation
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Developer tools
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Debugging
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Code autocompletion
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–
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LLM development
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–
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No-code
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–
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RAG
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–
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Workflows
–
–
–
Business automation
–
–
–
Code reviews
–
–
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Coding in VS Code
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–
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Process automation
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–
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Refactoring
–
–
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Vs code
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–
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Agent management
–
–
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Agent memory
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–
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Developer assistance
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–
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Finance workflow automation
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–
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Self hosted
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–
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Shell commands
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–
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Terminal
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
Verified listing
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–
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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.