OpenCode vs Stacks vs GitHub Copilot CLI vs Constella

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

Your tool
OpenCode
vs
Competitor 1
Stacks
Competitor 2
GitHub Copilot CLI
Competitor 3
Constella
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
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Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
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Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
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Traffic estimated monthly website traffic
Monthly visits
—
6.3Kvisits/mo
—
7.4Kvisits/mo
MoM change
—
▼ 8.4%
—
▼ 2.5%
6-month growth
—
-50.8%
—
+67.1%
Global rank web
—
#3,182,249
—
#1,944,958
Avg. last 3 months
—
6.1K
—
9.2K
Bounce rate lower is better
—
41%
—
35%
Pages / visit
—
1.7
—
5.0
Visit duration
—
6s
—
1m 48s
Traffic sources
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—
—
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OpenCodeStacksGitHub Copilot CLIConstella
05.4K10.8K16.3K21.7KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Free
Paid
Free
Freemium
Starting price
Free
$9per month
Free
$5.99per month · free tier available
Free tier
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Free trial
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–
–
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API access
–
–
–
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Plans
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Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
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Free FreeConstella Beta $5.99/yr
Capabilities input → output
Input
CodeText
DocumentsTextWeb pages
CodeText
DocumentsTextWeb pages
Output
Code
Text
Code
Text
Skill level
Advanced
Beginner-friendly
Intermediate
Intermediate
Categories
Development & CodeAI Coding Assistant
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI 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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Agents
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Digital information management
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Knowledge exploration
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Developer tools
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Note taking
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Bookmarking
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Chrome extensions
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GitHub pull requests
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Research
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Development
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GitHub management
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–
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Local AI
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–
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Self hosted
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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
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Saves
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Reviews
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0
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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.