GitHub Copilot CLI vs OpenAI Codex CLI vs Semantic Kernel vs devlo

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

Your tool
GitHub Copilot CLI
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
Semantic Kernel
Competitor 3
devlo
Compare
4 tools · best value per row highlighted
Your tool 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.
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Competitor OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Make main Remove
Competitor Semantic Kernel
learn.microsoft.com
Semantic Kernel is a lightweight, open-source development kit from Microsoft for building AI agents and adding AI models to existing C#, Python or Java codebases.
Make main Remove
Competitor devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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MoM change
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▼ 70.3%
6-month growth
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Global rank web
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#8,880,689
Avg. last 3 months
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537
Bounce rate lower is better
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0%
Pages / visit
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Visit duration
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Traffic sources
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GitHub Copilot CLIOpenAI Codex CLISemantic Kerneldevlo
02K3.9K5.9K7.9Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6K1K10Kdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KDec '25Jan '26Feb
Pricing
Model
Free
Paid
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Freemium
Starting price
Free
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$19per month · free tier available
Free tier
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Free trial
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API access
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Plans
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GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Capabilities input → output
Input
CodeText
CodeImagesText
CodeText
CodeText
Output
Code
Code
Apps
AppsCode
Skill level
Intermediate
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
2
4
11
Coding
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Agents
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Developer tools
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Agent creation
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Code reviews
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GitHub pull requests
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Teams performance analytics
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Development
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GitHub
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Jira tickets
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LLM development
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Code quality
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Frontend development
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GitHub management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
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Upvotes
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▲ 1
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.