GitHub Copilot vs Kimi Code vs GitBook vs OpenAI Codex

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

Your tool
GitHub Copilot
vs
Competitor 1
Kimi Code
Competitor 2
GitBook
Competitor 3
OpenAI Codex
Compare
4 tools · best value per row highlighted
Your tool GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Remove
Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Make main Remove
Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
Make main Remove
Competitor OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
637.9Mvisits/mo
60.1Mvisits/mo
—
204.3Mvisits/mo
MoM change
▲ 3.7%
▲ 52.2%
—
▲ 3.6%
6-month growth
+19.3%
+33.8%
—
+0.3%
Global rank web
#49
#852
—
#212
Avg. last 3 months
629.7M
48.3M
—
197.3M
Bounce rate lower is better
36%
37%
—
58%
Pages / visit
5.9
3.9
—
3.0
Visit duration
6m 26s
7m 13s
—
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
● Direct 89% · ● Referral 10%
—
● Direct 81% · ● Referral 17%
GitHub CopilotKimi CodeGitBookOpenAI Codex
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 · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MOpenAI 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 · 204.3M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MOpenAI 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
$4per month · free tier available
$15per month · free tier available
$65per month · free tier available
$20per month · free tier available
Free tier
Free trial
–
–
API access
–
–
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Plans
Free FreeTeam $4/moEnterprise $21/mo
Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
CodeText
CodeText
Output
Code
Code
DocumentsText
Code
Skill level
Intermediate
Intermediate
Beginner-friendly
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
8
9
Coding
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Debugging
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Agents
–
–
Code documentation
–
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Code reviews
–
–
Developer tools
–
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Terminal
–
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Code autocompletion
–
–
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Knowledge bases
–
–
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Coding in VS Code
–
–
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GitHub automation
–
–
–
GitHub pull requests
–
–
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Knowledge
–
–
–
Refactoring
–
–
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Vs code
–
–
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API docs
–
–
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Agent management
–
–
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Customer support chatbot
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–
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Developer assistance
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–
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Development
–
–
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Digital information management
–
–
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Document creation
–
–
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Shell commands
–
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 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.