Haystack vs Kimi Code vs Stack AI vs GitHub Copilot

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

Your tool
Haystack
vs
Competitor 1
Kimi Code
Competitor 2
Stack AI
Competitor 3
GitHub Copilot
Compare
4 tools · best value per row highlighted
Your tool Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Make main Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
60.1Mvisits/mo
6.3Kvisits/mo
637.9Mvisits/mo
MoM change
—
▲ 52.2%
▼ 57.9%
▲ 3.7%
6-month growth
—
+33.8%
-93.7%
+19.3%
Global rank web
—
#852
#1,700,092
#49
Avg. last 3 months
—
48.3M
13.9K
629.7M
Bounce rate lower is better
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37%
39%
36%
Pages / visit
—
3.9
1.8
5.9
Visit duration
—
7m 13s
14s
6m 26s
Traffic sources
—
● Direct 89% · ● Referral 10%
—
● Direct 83% · ● Referral 15%
HaystackKimi CodeStack AIGitHub Copilot
0159.5M318.9M478.4M637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MStack 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 · 637.9M1K10K100K1M10M100M1BKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MStack 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 · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Freemium
Starting price
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$15per month · free tier available
Free tier
$4per month · free tier available
Free tier
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Free trial
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API access
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–
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Plans
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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
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Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeDocuments
CodeText
DataDocumentsText
CodeText
Output
Apps
Code
Apps
Code
Skill level
Advanced
Intermediate
Intermediate
Intermediate
Categories
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
6
7
9
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
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–
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Business automation
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–
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Code reviews
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–
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Coding in VS Code
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–
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Process automation
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Refactoring
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Vs code
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Agent management
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–
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Agent memory
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Developer assistance
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Finance workflow automation
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Self hosted
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Shell commands
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
2
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.