GitHub Copilot vs Stack AI vs Kimi Code 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
Kimi Code
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
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
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
637.9Mvisits/mo
6.3Kvisits/mo
60.1Mvisits/mo
—
MoM change
▲ 3.7%
▼ 57.9%
▲ 52.2%
—
6-month growth
+19.3%
-93.7%
+33.8%
—
Global rank web
#49
#1,700,092
#852
—
Avg. last 3 months
629.7M
13.9K
48.3M
—
Bounce rate lower is better
36%
39%
37%
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Pages / visit
5.9
1.8
3.9
—
Visit duration
6m 26s
14s
7m 13s
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Traffic sources
● Direct 83% · ● Referral 15%
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● Direct 89% · ● Referral 10%
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GitHub CopilotStack AIKimi CodeHaystack
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 · 6.3KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M1K10K100K1M10M100M1BGitHub 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 · 6.3KKimi 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
—
Starting price
$4per month · free tier available
Free tier
$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
Free FreeTeam $4/moEnterprise $21/mo
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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
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Capabilities input → output
Input
CodeText
DataDocumentsText
CodeText
CodeDocuments
Output
Code
Apps
Code
Apps
Skill level
Intermediate
Intermediate
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
7
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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Workflows
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–
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Business automation
–
–
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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
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.