Mintlify vs GitBook vs OpenAI Codex CLI vs ReadMe

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

Your tool
Mintlify
vs
Competitor 1
GitBook
Competitor 2
OpenAI Codex CLI
Competitor 3
ReadMe
Compare
4 tools · best value per row highlighted
Your tool Mintlify
mintlify.com
Documentation that writes itself from your code
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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.
Make main Remove
Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor ReadMe
readme.com
ReadMe builds interactive API documentation that developers can read, test and search.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
387.9Kvisits/mo
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MoM change
▲ 4.0%
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6-month growth
-37.3%
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Global rank web
#114,864
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Avg. last 3 months
367.8K
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Bounce rate lower is better
47%
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Pages / visit
3.5
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Visit duration
1m 51s
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Traffic sources
● Direct 74% · ● Referral 25%
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MintlifyGitBookOpenAI Codex CLIReadMe
0348.9K697.7K1M1.4MMintlify · 373.1KMintlify · 331.3KMintlify · 338.6KMintlify · 353.9KMintlify · 618.3KMintlify · 1.4MMintlify · 718.1KMintlify · 342.3KMintlify · 373.1KMintlify · 387.9K100K1M10MMintlify · 373.1KMintlify · 331.3KMintlify · 338.6KMintlify · 353.9KMintlify · 618.3KMintlify · 1.4MMintlify · 718.1KMintlify · 342.3KMintlify · 373.1KMintlify · 387.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
$450per month · free tier available
$65per month · free tier available
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$250per month · free tier available
Free tier
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Free trial
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API access
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Plans
Starter FreePro $450/moEnterprise Custom
Free FreeEssential $65/moUltimate $249/moEnterprise Custom
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Starter FreePro $250/moEnterprise Custom
Capabilities input → output
Input
CodeText
CodeText
CodeImagesText
DocumentsTextWeb pages
Output
Documents
DocumentsText
Code
DocumentsText
Skill level
Advanced
Beginner-friendly
Advanced
Intermediate
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Documents Generator
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Development & CodeAI Coding Assistant
Development & CodeEducation & LearningAI Developer ToolsAI Knowledge Management
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
5
8
4
6
Developer tools
Code documentation
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API docs
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Knowledge bases
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Coding
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Writing documentation
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Agents
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Knowledge
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AI search
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Customer support chatbot
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Development
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Digital information management
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Document creation
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Documents
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MCP
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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
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Saves
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Reviews
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Prompts
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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.