GitHub Copilot vs GitBook vs Augment Code 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
GitBook
Competitor 2
Augment Code
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
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Competitor GitBook
gitbook.com
GitBook is a documentation and knowledge platform for publishing product docs that work for both people and AI.
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Competitor Augment Code
augmentcode.com
Augment Code is an agentic software development company whose Cosmos platform runs software agents across the development lifecycle.
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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
637.9Mvisits/mo
—
—
204.3Mvisits/mo
MoM change
▲ 3.7%
—
—
▲ 3.6%
6-month growth
+19.3%
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—
+0.3%
Global rank web
#49
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#212
Avg. last 3 months
629.7M
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—
197.3M
Bounce rate lower is better
36%
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58%
Pages / visit
5.9
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3.0
Visit duration
6m 26s
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—
2m 31s
Traffic sources
● Direct 83% · ● Referral 15%
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● Direct 81% · ● Referral 17%
GitHub CopilotGitBookAugment CodeOpenAI 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 · 637.9MOpenAI 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 · 204.3M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MOpenAI 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
Paid
Freemium
Starting price
$4per month · free tier available
$65per month · free tier available
$20per month
$20per month · free tier available
Free tier
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Free trial
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API access
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Plans
Free FreeTeam $4/moEnterprise $21/mo
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
Standard $20/moBusiness $100/moEnterprise Custom
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Capabilities input → output
Input
CodeText
CodeText
CodeText
CodeText
Output
Code
DocumentsText
Code
Code
Skill level
Intermediate
Beginner-friendly
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeProductivity & OfficeAI AgentAI Code Review+2 more
Development & CodeAI Code ReviewAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
4
6
4
Coding
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Code reviews
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Agents
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Knowledge bases
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Knowledge
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Testing
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Agent management
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Code documentation
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Code testing
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Cve monitoring
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Developer tools
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Development
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Digital information management
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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
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.