OpenAI Codex CLI vs GitHub Copilot CLI vs OpenCode vs Stacks

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 CLI
Competitor 2
OpenCode
Competitor 3
Stacks
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 CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
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 Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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6.3Kvisits/mo
MoM change
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▼ 8.4%
6-month growth
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-50.8%
Global rank web
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#3,182,249
Avg. last 3 months
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6.1K
Bounce rate lower is better
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41%
Pages / visit
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1.7
Visit duration
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6s
Traffic sources
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OpenAI Codex CLIGitHub Copilot CLIOpenCodeStacks
03.2K6.4K9.6K12.8KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3K1K10K100KStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KDec '25Jan '26FebMarAprMayJunJul
Pricing
Model
Paid
Free
Free
Paid
Starting price
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Free
Free
$9per 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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Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Capabilities input → output
Input
CodeImagesText
CodeText
CodeText
DocumentsTextWeb pages
Output
Code
Code
Code
Text
Skill level
Advanced
Intermediate
Advanced
Beginner-friendly
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
5
6
6
Coding
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Agents
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Developer tools
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Bookmarking
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Digital information management
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Knowledge bases
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Chrome extensions
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GitHub pull requests
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Development
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GitHub management
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Knowledge exploration
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Local AI
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Note taking
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Self hosted
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Terminal
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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
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0
Reviews
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0
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0
Prompts
0
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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.