OpenCode vs OpenAI API vs Kilo Code vs Theia IDE

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

Your tool
OpenCode
vs
Competitor 1
OpenAI API
Competitor 2
Kilo Code
Competitor 3
TITheia IDE
Compare
4 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 OpenAI API
platform.openai.com
The API powering the AI ecosystem
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Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
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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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Traffic estimated monthly website traffic
Monthly visits
—
15.2Mvisits/mo
1.9Kvisits/mo
35.3Kvisits/mo
MoM change
—
▲ 4.6%
▼ 42.3%
▼ 8.1%
6-month growth
—
-2.4%
-94.4%
-40.2%
Global rank web
—
—
#4,668,091
#929,571
Avg. last 3 months
—
15.2M
10.5K
41.1K
Bounce rate lower is better
—
34%
34%
41%
Pages / visit
—
5.4
2.4
1.7
Visit duration
—
3m 56s
19s
27s
Traffic sources
—
● Direct 82% · ● Referral 15%
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—
OpenCodeOpenAI APIKilo CodeTheia IDE
04.7M9.4M14.1M18.7MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3K1K10K100K1M10M100MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KTheia IDE · 54.7KTheia IDE · 58.4KTheia IDE · 59.1KTheia IDE · 49.4KTheia IDE · 47.5KTheia IDE · 49.5KTheia IDE · 38.4KTheia IDE · 35.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Paid
Freemium
Free
Starting price
Free
—
$20per month · free tier available
Free
Free tier
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Free trial
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–
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API access
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–
–
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Plans
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Capabilities input → output
Input
TextCode
DocumentsImagesTextAudio
TextCode
TextCode
Output
Code
AudioCodeImagesTextVideo
Code
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
6
5
5
Coding
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Developer tools
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Development
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Vs code
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APIs
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Agents
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Coding in VS Code
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–
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LLM development
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–
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Large language models
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API integrations
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Agent creation
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–
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Chatbot building
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–
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Code analysis
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–
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Local AI
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–
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Self hosted
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.