OpenAI Codex CLI vs GitHub Copilot vs ReadDocs

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
GitHub Copilot
Competitor 2
ReadDocs
Competitor 3
Suggested competitors for OpenAI Codex CLI: Gemini CLI100% Qwen Code98% OpenCode97% Visual Studio Code95% JetBrains AI Assistant95% Kimi Code94% GitHub Copilot CLI94% Amp93%
Compare
3 tools · best value per row highlighted
Your tool OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
744visits/mo
MoM change
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▲ 3.7%
▲ 141.6%
6-month growth
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+19.3%
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Global rank web
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#49
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Avg. last 3 months
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629.7M
384
Bounce rate lower is better
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36%
39%
Pages / visit
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5.9
1.1
Visit duration
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6m 26s
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Traffic sources
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● Direct 83% · ● Referral 15%
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OpenAI Codex CLIGitHub CopilotReadDocs
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 · 637.9MReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Freemium
Freemium
Starting price
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$4per month · free tier available
Free tier
Free tier
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Free trial
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–
API access
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–
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeTeam $4/moEnterprise $21/mo
Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
CodeImagesText
CodeText
DocumentsImagesText
Output
Code
Code
Text
Skill level
Advanced
Intermediate
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
4
10
Coding
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Document summaries
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Document summarization
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PDF summaries
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Summarizing
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Agents
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Code reviews
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Interactive PDF processing
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OCR
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Official documents q a
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PDF analysis
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Summaries
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Agent management
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Developer tools
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Meeting summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
2
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.