OpenAI Codex CLI vs OpenCode vs Martin

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
OpenCode
Competitor 2
Martin
Competitor 3
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.
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.
Competitor Martin
trymartin.com
Martin is a personal AI assistant that manages your calendar, inbox, text messages, phone calls, WhatsApp and Slack.
Traffic estimated monthly website traffic
Monthly visits
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MoM change
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6-month growth
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Global rank web
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Avg. last 3 months
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Bounce rate lower is better
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Pages / visit
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Visit duration
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Traffic sources
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Pricing
Model
Paid
Free
Free Trial
Starting price
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Free
$21per month
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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Basic $21/moPro $30/mo
Capabilities input → output
Input
CodeImagesText
CodeText
AudioText
Output
Code
Code
AudioText
Skill level
Advanced
Advanced
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
12
Agents
Coding
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Developer tools
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Calendar assistance
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Email management
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Email automation
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Meeting scheduling
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Reminders
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Schedule management
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Voice assistance
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Development
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Email
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Local AI
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Personalized scheduling
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Self hosted
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Slack
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Task management
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Terminal
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
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Reviews
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Prompts
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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.