Visual Studio Code vs Knowledge Plane 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
Visual Studio Code
vs
Competitor 1
Knowledge Plane
Competitor 2
OpenAI Codex CLI
Competitor 3
TITheia IDE
Compare
4 tools · best value per row highlighted
Your tool Visual Studio Code
code.visualstudio.com
Visual Studio Code is a free, open source code editor that runs on Windows, macOS and Linux and now includes built-in AI agents.
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Competitor Knowledge Plane
knowledgeplane.io
Engineering teams watch their AI tools hallucinate outdated project details
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 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
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35.3Kvisits/mo
MoM change
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▼ 8.1%
6-month growth
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-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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0%
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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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Visual Studio CodeKnowledge PlaneOpenAI 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
Freemium
Paid
Free
Starting price
Free
$19per month · free tier available
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Free
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
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Capabilities input → output
Input
CodeText
CodeDocumentsText
CodeImagesText
CodeText
Output
Code
Text
Code
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Education & LearningAI Knowledge Management
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
12
4
5
Developer tools
Coding
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Agents
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Vs code
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Coding in VS Code
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Knowledge bases
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Knowledge graphs
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Agent memory
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Knowledge
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Knowledge maps
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Knowledge sourcing
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Agent creation
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Code documentation
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Codebase q a
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Debugging
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Development
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Digital information management
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Knowledge exchange
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Slack
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Terminal
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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
0
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Reviews
0
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Prompts
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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.