Theia IDE vs OpenCode vs OpenAI Codex CLI vs GitHub Copilot

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

Your tool
TITheia IDE
vs
Competitor 1
OpenCode
Competitor 2
OpenAI Codex CLI
Competitor 3
GitHub Copilot
Compare
4 tools · best value per row highlighted
Your tool TITheia IDE
theia-ide.org
An open-source IDE that puts AI at the center while giving you complete control over how it works
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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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
35.3Kvisits/mo
—
—
637.9Mvisits/mo
MoM change
▼ 8.1%
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—
▲ 3.7%
6-month growth
-40.2%
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+19.3%
Global rank web
#929,571
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#49
Avg. last 3 months
41.1K
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—
629.7M
Bounce rate lower is better
41%
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36%
Pages / visit
1.7
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—
5.9
Visit duration
27s
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6m 26s
Traffic sources
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● Direct 83% · ● Referral 15%
Theia IDEOpenCodeOpenAI Codex CLIGitHub Copilot
0159.5M318.9M478.4M637.9MTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M10K100K1M10M100M1BTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Free
Free
Paid
Freemium
Starting price
Free
Free
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$4per month · free tier available
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
CodeText
Output
Code
Code
Code
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
3
2
4
Coding
Developer tools
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Development
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Agents
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Code reviews
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Agent creation
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Agent management
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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
2
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.