Jules vs Kilo Code vs Functionize vs OpenAI Codex

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

Your tool
Jules
vs
Competitor 1
Kilo Code
Competitor 2
Functionize
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool Jules
jules.google
An AI coding assistant that works while you sleep sounds like science fiction, but Jules runs continuously in the cloud doing exactly that
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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 Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
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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
280.8Kvisits/mo
1.9Kvisits/mo
—
204.3Mvisits/mo
MoM change
▼ 27.6%
▼ 42.3%
—
▲ 3.6%
6-month growth
-46.5%
-94.4%
—
+0.3%
Global rank web
#198,101
#4,668,091
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#212
Avg. last 3 months
435.9K
10.5K
—
197.3M
Bounce rate lower is better
49%
34%
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58%
Pages / visit
1.6
2.4
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3.0
Visit duration
42s
19s
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2m 31s
Traffic sources
● Direct 71% · ● Referral 28%
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● Direct 81% · ● Referral 17%
JulesKilo CodeFunctionizeOpenAI Codex
066.6M133.2M199.7M266.3MJules · 804.2KJules · 742.5KJules · 525.1KJules · 315.3KJules · 476.6KJules · 638.7KJules · 388.1KJules · 280.8KKilo 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 · 204.3M1K10K100K1M10M100M1BJules · 804.2KJules · 742.5KJules · 525.1KJules · 315.3KJules · 476.6KJules · 638.7KJules · 388.1KJules · 280.8KKilo 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
Freemium
Freemium
Freemium
Starting price
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$20per month · free tier available
$20per month · free tier available
$20per month · free tier available
Free tier
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Free trial
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–
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API access
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Plans
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Free FreeGrowth $20/moScale $100/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
TextWeb pages
CodeText
Output
Code
Code
Data
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Testing
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
6
5
7
9
Coding
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Agents
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Development
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Testing
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Code reviews
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Test automation
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Coding in VS Code
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GitHub automation
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GitHub pull requests
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Test creation
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Test generation
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Code analysis
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Code documentation
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Debugging
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Terminal
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Test cases
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UI testing
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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
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.