OpenAI Codex CLI vs Claude Code vs OpenCode 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
Claude Code
Competitor 2
OpenCode
Competitor 3
ReadDocs
Compare
4 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.
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Competitor Claude Code
claude.com
Every plan tier hits usage limits
Make main Remove
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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
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123.5Mvisits/mo
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744visits/mo
MoM change
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▼ 6.8%
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▲ 141.6%
6-month growth
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+106.6%
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Global rank web
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#434
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Avg. last 3 months
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125.2M
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384
Bounce rate lower is better
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64%
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39%
Pages / visit
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2.2
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1.1
Visit duration
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2m 36s
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Traffic sources
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● Direct 82% · ● Referral 15%
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OpenAI Codex CLIClaude CodeOpenCodeReadDocs
035M69.9M104.9M139.9MClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MReadDocs · 101ReadDocs · 308ReadDocs · 7441001K10K100K1M10M100M1BClaude Code · 19.2MClaude Code · 19.5MClaude Code · 35.8MClaude Code · 59.8MClaude Code · 139.9MClaude Code · 133.1MClaude Code · 119.5MClaude Code · 132.6MClaude Code · 123.5MReadDocs · 101ReadDocs · 308ReadDocs · 744Nov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Freemium
Free
Freemium
Starting price
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$17per month · free tier available
Free
Free tier
Free tier
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Free trial
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API access
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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 FreePro $17/moMax 5x $100/moMax 20x Custom/mo+2 more
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Free FreePro £9.99/moBusiness £29/mo
Capabilities input → output
Input
CodeImagesText
CodeText
CodeText
DocumentsImagesText
Output
Code
Code
Code
Text
Skill level
Advanced
Intermediate
Advanced
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Productivity & OfficeWriting & ContentAI PDFAI Summarizer
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
2
6
3
10
Coding
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Developer tools
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Development
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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 analysis
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Code reviews
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Debugging
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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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Meeting summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
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Prompts
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2
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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.