OpenCode vs GitHub Copilot CLI vs CodiumAI vs Theia IDE

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

Your tool
OpenCode
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
CodiumAI
Competitor 3
TITheia IDE
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 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 CodiumAI
codium.ai
AI that writes tests so you don't have to avoid them
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Competitor TITheia IDE
theia-ide.org
An open-source IDE that puts AI at the center while giving you complete control over how it works
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
338visits/mo
35.3Kvisits/mo
MoM change
—
—
▼ 98.5%
▼ 8.1%
6-month growth
—
—
-99.7%
-40.2%
Global rank web
—
—
#1,301,288
#929,571
Avg. last 3 months
—
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35.3K
41.1K
Bounce rate lower is better
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38%
41%
Pages / visit
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—
1.6
1.7
Visit duration
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—
12s
27s
Traffic sources
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—
● Direct 73% · ● Referral 27%
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OpenCodeGitHub Copilot CLICodiumAITheia IDE
040K80.1K120.1K160.1KCodiumAI · 54.2KCodiumAI · 96.4KCodiumAI · 113.7KCodiumAI · 89.8KCodiumAI · 107.1KCodiumAI · 97.4KCodiumAI · 160.1KCodiumAI · 83KCodiumAI · 22.7KCodiumAI · 338Theia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3K1001K10K100K1MCodiumAI · 54.2KCodiumAI · 96.4KCodiumAI · 113.7KCodiumAI · 89.8KCodiumAI · 107.1KCodiumAI · 97.4KCodiumAI · 160.1KCodiumAI · 83KCodiumAI · 22.7KCodiumAI · 338Theia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Free
Freemium
Free
Starting price
Free
Free
$19per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
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Capabilities input → output
Input
CodeText
CodeText
Code
CodeText
Output
Code
Code
CodeText
Code
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Code ReviewAI Coding AssistantAI Testing
Development & CodeAI Coding AssistantAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
5
13
5
Coding
Developer tools
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Agents
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GitHub pull requests
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Development
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Code reviews
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Code analysis
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Code quality
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Repo analysis
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Test creation
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Agent creation
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Code security
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Code validation
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Codebase q a
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GitHub management
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Local AI
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Self hosted
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Test cases
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Testing
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Unit tests
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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
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Saves
0
0
0
0
Reviews
0
0
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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.