Theia IDE vs OpenCode vs Functionize

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
Functionize
Competitor 3
Suggested competitors for Theia IDE: Visual Studio Code83% Google Antigravity83% Qwen Code82% Warp82% Vana81% Cline81% devlo80% Gemini CLI80%
Compare
3 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 Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
35.3Kvisits/mo
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MoM change
▼ 8.1%
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6-month growth
-40.2%
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Global rank web
#929,571
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Avg. last 3 months
41.1K
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Bounce rate lower is better
41%
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Pages / visit
1.7
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Visit duration
27s
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Traffic sources
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Theia IDEOpenCodeFunctionize
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
Freemium
Starting price
Free
Free
$20per month · free tier available
Free tier
Free trial
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API access
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Plans
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Free FreeGrowth $20/moScale $100/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeText
TextWeb pages
Output
Code
Code
Data
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeAI Testing
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
5
6
7
Coding
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Developer tools
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Agents
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Development
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Test automation
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Testing
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Test creation
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Test generation
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Agent creation
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Local AI
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Self hosted
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Test cases
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Vs code
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Website testing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
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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.