GitHub Copilot vs Kilo Code vs OpenAI Codex vs OpenAI API

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

Your tool
GitHub Copilot
vs
Competitor 1
Kilo Code
Competitor 2
OpenAI Codex
Competitor 3
OpenAI API
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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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 OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
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Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
1.9Kvisits/mo
204.3Mvisits/mo
15.2Mvisits/mo
MoM change
▲ 3.7%
▼ 42.3%
▲ 3.6%
▲ 4.6%
6-month growth
+19.3%
-94.4%
+0.3%
-2.4%
Global rank web
#49
#4,668,091
#212
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Avg. last 3 months
629.7M
10.5K
197.3M
15.2M
Bounce rate lower is better
36%
34%
58%
34%
Pages / visit
5.9
2.4
3.0
5.4
Visit duration
6m 26s
19s
2m 31s
3m 56s
Traffic sources
● Direct 83% · ● Referral 15%
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● Direct 81% · ● Referral 17%
● Direct 82% · ● Referral 15%
GitHub CopilotKilo CodeOpenAI CodexOpenAI API
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo 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 · 204.3MOpenAI 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 · 15.2M1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo 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 · 204.3MOpenAI 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 · 15.2MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Paid
Starting price
$4per month · free tier available
$20per month · free tier available
$20per month · free tier available
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Free tier
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Free trial
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API access
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–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeText
TextCode
TextCode
AudioDocumentsImagesText
Output
Code
Code
Code
AudioCodeImagesTextVideo
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
4
4
4
Coding
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Code reviews
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APIs
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Agents
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Coding in VS Code
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LLM development
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Large language models
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API integrations
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Agent management
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Code analysis
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Code documentation
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Development
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Vs code
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
2
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.