GitHub Copilot CLI vs OpenAI Codex CLI vs Theia IDE

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

Your tool
GitHub Copilot CLI
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
TITheia IDE
Competitor 3
Suggested competitors for GitHub Copilot CLI: Cline87% Google Antigravity87% devlo87% Jules86% Windsurf85% Claude Code85% TalkCody85% Qoder85%
Compare
3 tools · best value per row highlighted
Your tool 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.
Remove
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
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
—
—
35.3Kvisits/mo
MoM change
—
—
▼ 8.1%
6-month growth
—
—
-40.2%
Global rank web
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#929,571
Avg. last 3 months
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41.1K
Bounce rate lower is better
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41%
Pages / visit
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—
1.7
Visit duration
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—
27s
Traffic sources
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GitHub Copilot CLIOpenAI Codex CLITheia IDE
014.8K29.5K44.3K59.1KTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3K10K100KTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Free
Paid
Free
Starting price
Free
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Free
Free tier
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Free trial
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–
–
API access
–
–
–
Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
CodeText
CodeImagesText
CodeText
Output
Code
Code
Code
Skill level
Intermediate
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
4
2
5
Coding
Developer tools
Agents
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Agent creation
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Development
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–
GitHub management
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Vs code
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.