OpenAI Codex CLI vs GitHub Copilot vs Defapi vs Amp

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
DDefapi
Competitor 3
Amp
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 GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main 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 Amp
ampcode.com
Amp is a coding agent and development environment for engineers who want agents running independently.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
2.4Kvisits/mo
—
MoM change
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▲ 3.7%
▼ 42.6%
—
6-month growth
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+19.3%
-86.2%
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Global rank web
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#49
#4,650,820
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Avg. last 3 months
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629.7M
4.8K
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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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5.9
1.4
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Visit duration
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6m 26s
7s
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Traffic sources
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● Direct 83% · ● Referral 15%
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—
OpenAI Codex CLIGitHub CopilotDefapiAmp
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 · 637.9MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Paid
Freemium
Starting price
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$4per month · free tier available
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$20per month · free tier available
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 FreeTeam $4/moEnterprise $21/mo
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
Hobby FreeIndividual (Megawatt) $20/moGigawatt CustomTeams Custom+1 more
Capabilities input → output
Input
TextImagesCode
CodeText
TextImagesAudio
VideoTextCode
Output
Code
Code
TextImagesAudio
Code
Skill level
Advanced
Intermediate
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI API
Development & CodeAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
9
4
4
Coding
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Agents
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Terminal
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Developer tools
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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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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
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.