Kilo Code vs a0.dev vs Visual Studio Code vs OpenAI Codex

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

Your tool
Kilo Code
vs
Competitor 1
a0.dev
Competitor 2
Visual Studio Code
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool 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 a0.dev
a0.dev
a0.dev is an AI mobile app builder that turns a chat conversation into a working iOS and Android app.
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Competitor 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 OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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Traffic estimated monthly website traffic
Monthly visits
1.9Kvisits/mo
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204.3Mvisits/mo
MoM change
▼ 42.3%
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▲ 3.6%
6-month growth
-94.4%
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+0.3%
Global rank web
#4,668,091
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#212
Avg. last 3 months
10.5K
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197.3M
Bounce rate lower is better
34%
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58%
Pages / visit
2.4
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3.0
Visit duration
19s
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2m 31s
Traffic sources
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● Direct 81% · ● Referral 17%
Kilo Codea0.devVisual Studio CodeOpenAI Codex
066.6M133.2M199.7M266.3MKilo 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 · 1.9KOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3M1K10K100K1M10M100M1BKilo 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 · 1.9KOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Free
Freemium
Starting price
$20per month · free tier available
$20per month
Free
$20per 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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Pro $20/moMax $200/mo
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Capabilities input → output
Input
CodeText
Text
CodeText
CodeText
Output
Code
AppsCode
Code
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI App BuilderAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
5
6
9
Coding
Agents
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Coding in VS Code
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Vs code
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Debugging
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Development
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Mobile app
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Mobile development
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No-code
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Developer tools
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GitHub automation
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GitHub pull requests
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Android development assistance
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Code analysis
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Code documentation
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Code reviews
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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
▲ 0
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.