OpenCode vs Theia IDE vs OpenAI Codex CLI

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

Your tool
OpenCode
vs
Competitor 1
TITheia IDE
Competitor 2
OpenAI Codex CLI
Competitor 3
Suggested competitors for OpenCode: Qwen Code97% Gemini CLI96% Aider93% Google Antigravity91% Gemini Code Assist90% Kimi Code90% OpenAI Codex90% TalkCody89%
Compare
3 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 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 OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
35.3Kvisits/mo
—
MoM change
—
▼ 8.1%
—
6-month growth
—
-40.2%
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Global rank web
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#929,571
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Avg. last 3 months
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41.1K
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Bounce rate lower is better
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41%
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Pages / visit
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1.7
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Visit duration
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27s
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Traffic sources
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—
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OpenCodeTheia IDEOpenAI Codex CLI
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
Free
Paid
Starting price
Free
Free
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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
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
Output
Code
Code
Code
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeAI Coding Assistant
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
3
5
2
Coding
Developer tools
Development
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Agent creation
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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.