OpenAI Codex CLI vs OpenAI API vs OpenCode 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
OpenAI API
Competitor 2
OpenCode
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.
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Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
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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.
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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
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15.2Mvisits/mo
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MoM change
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▲ 4.6%
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6-month growth
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-2.4%
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Global rank web
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Avg. last 3 months
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15.2M
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Bounce rate lower is better
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34%
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Pages / visit
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5.4
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Visit duration
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3m 56s
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Traffic sources
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● Direct 82% · ● Referral 15%
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OpenAI Codex CLIOpenAI APIOpenCodeAmp
04.7M9.4M14.1M18.7MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2M10M100MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Paid
Free
Freemium
Starting price
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Free
$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
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Hobby FreeIndividual (Megawatt) $20/moGigawatt CustomTeams Custom+1 more
Capabilities input → output
Input
TextImagesCode
DocumentsImagesTextAudio
TextCode
VideoTextCode
Output
Code
AudioCodeImagesTextVideo
Code
Code
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
6
4
Developer tools
Coding
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Agents
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Terminal
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APIs
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LLM development
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Large language models
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API integrations
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Chatbot building
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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
▲ 1
▲ 0
▲ 0
Saves
0
0
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0
Reviews
0
0
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Prompts
0
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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.