OpenAI Codex CLI vs Defapi vs GitHub Copilot vs OpenCode

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
DDefapi
Competitor 2
GitHub Copilot
Competitor 3
OpenCode
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.
Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
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
Traffic estimated monthly website traffic
Monthly visits
—
2.4Kvisits/mo
637.9Mvisits/mo
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MoM change
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▼ 42.6%
▲ 3.7%
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6-month growth
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-86.2%
+19.3%
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Global rank web
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#4,650,820
#49
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Avg. last 3 months
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4.8K
629.7M
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Bounce rate lower is better
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36%
36%
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Pages / visit
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1.4
5.9
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Visit duration
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7s
6m 26s
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Traffic sources
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● Direct 83% · ● Referral 15%
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OpenAI Codex CLIDefapiGitHub CopilotOpenCode
0159.5M318.9M478.4M637.9MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M1K10K100K1M10M100M1BDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Paid
Freemium
Free
Starting price
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$4per month · free tier available
Free
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
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Free FreeTeam $4/moEnterprise $21/mo
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Capabilities input → output
Input
CodeImagesText
AudioImagesText
CodeText
CodeText
Output
Code
AudioImagesText
Code
Code
Skill level
Advanced
Advanced
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI API
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
4
9
6
Coding
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Agents
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Developer tools
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Terminal
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API integrations
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APIs
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Code autocompletion
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API management
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Code reviews
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Coding in VS Code
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Vs code
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API security
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Agent management
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Debugging
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Development
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Local AI
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Self hosted
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
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Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.