GitHub Copilot vs Pieces vs Knowledge Plane vs Stacks

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

Your tool
GitHub Copilot
vs
Competitor 1
Pieces
Competitor 2
Knowledge Plane
Competitor 3
Stacks
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 Pieces
pieces.app
Your personal AI coding assistant that remembers everything
Make main Remove
Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
169.6Kvisits/mo
—
6.3Kvisits/mo
MoM change
▲ 3.7%
▼ 5.9%
—
▼ 8.4%
6-month growth
+19.3%
-16.0%
—
-50.8%
Global rank web
#49
#248,413
—
#3,182,249
Avg. last 3 months
629.7M
176.5K
—
6.1K
Bounce rate lower is better
36%
44%
0%
41%
Pages / visit
5.9
2.2
—
1.7
Visit duration
6m 26s
45s
—
6s
Traffic sources
● Direct 83% · ● Referral 15%
● Direct 68% · ● Referral 30%
—
—
GitHub CopilotPiecesKnowledge PlaneStacks
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 · 637.9MPieces · 269.9KPieces · 295.6KPieces · 310.3KPieces · 237KPieces · 202KPieces · 195.3KPieces · 169.9KPieces · 179.9KPieces · 180.1KPieces · 169.6KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MPieces · 269.9KPieces · 295.6KPieces · 310.3KPieces · 237KPieces · 202KPieces · 195.3KPieces · 169.9KPieces · 179.9KPieces · 180.1KPieces · 169.6KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
$4per month · free tier available
$18.99per month
$19per month · free tier available
$9per month
Free tier
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Free trial
–
–
API access
–
–
–
Plans
Free FreeTeam $4/moEnterprise $21/mo
Pro $18.99/moEnterprise $22.99/mo
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Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Capabilities input → output
Input
CodeText
AudioCodeText
CodeDocumentsText
DocumentsTextWeb pages
Output
Code
Text
Text
Text
Skill level
Intermediate
Intermediate
Intermediate
Beginner-friendly
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeEducation & LearningProductivity & OfficeAI Assistant+2 more
Education & LearningAI Knowledge Management
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
5
7
4
Digital information management
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Knowledge bases
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Coding
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Knowledge exploration
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Code snippets
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–
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Knowledge graphs
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–
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Agents
–
–
–
Code reviews
–
–
–
Knowledge
–
–
–
Knowledge maps
–
–
–
Knowledge sourcing
–
–
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Agent management
–
–
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Code documentation
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–
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Knowledge exchange
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–
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Note taking
–
–
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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.