Stacks vs OpenCode vs Kilo Code vs Constella

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

Your tool
Stacks
vs
Competitor 1
OpenCode
Competitor 2
Kilo Code
Competitor 3
Constella
Compare
4 tools · best value per row highlighted
Your tool Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
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Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Make main Remove
Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
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Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
1.9Kvisits/mo
7.4Kvisits/mo
MoM change
▼ 8.4%
—
▼ 42.3%
▼ 2.5%
6-month growth
-50.8%
—
-94.4%
+67.1%
Global rank web
#3,182,249
—
#4,668,091
#1,944,958
Avg. last 3 months
6.1K
—
10.5K
9.2K
Bounce rate lower is better
41%
—
34%
35%
Pages / visit
1.7
—
2.4
5.0
Visit duration
6s
—
19s
1m 48s
Traffic sources
—
—
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StacksOpenCodeKilo CodeConstella
0186.2K372.3K558.5K744.7KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100K1MStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
$9per month
Free
$20per month · free tier available
$5.99per month · free tier available
Free tier
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Free trial
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API access
–
–
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Plans
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Free FreeConstella Beta $5.99/yr
Capabilities input → output
Input
DocumentsTextWeb pages
CodeText
CodeText
DocumentsTextWeb pages
Output
Text
Code
Code
Text
Skill level
Beginner-friendly
Advanced
Advanced
Intermediate
Categories
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Education & LearningAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
6
5
5
Coding
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Knowledge bases
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Digital information management
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Knowledge exploration
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Development
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Note taking
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Bookmarking
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Agents
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Chrome extensions
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Coding in VS Code
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Research
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Code analysis
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Developer tools
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Local AI
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Self hosted
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Vs code
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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
0
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.