OpenAI Codex CLI vs Greptile vs GitHub Copilot

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Greptile
Competitor 2
GitHub Copilot
Competitor 3
Suggested competitors for OpenAI Codex CLI: Gemini CLI96% OpenCode94% Qwen Code94% Amp93% Google Antigravity93% opcode92% Cline92% JetBrains AI Assistant91%
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.
Remove
Competitor Greptile
greptile.com
Greptile is an AI code reviewer that builds a graph of your repository, covering files, functions and dependencies, and then sends a swarm of agents to review each pull request.
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
—
637.9Mvisits/mo
MoM change
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▲ 3.7%
6-month growth
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+19.3%
Global rank web
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#49
Avg. last 3 months
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629.7M
Bounce rate lower is better
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36%
Pages / visit
—
—
5.9
Visit duration
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6m 26s
Traffic sources
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● Direct 83% · ● Referral 15%
OpenAI Codex CLIGreptileGitHub Copilot
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 · 637.9M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Freemium
Freemium
Starting price
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$30per month · free tier available
$4per 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
Starter FreePro $30/moEnterprise Custom
Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
CodeImagesText
Code
CodeText
Output
Code
Text
Code
Skill level
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Code Review
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
9
9
Agents
Coding
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Code reviews
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Developer tools
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Terminal
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Code autocompletion
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Code analysis
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Code quality
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Coding in VS Code
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GitHub pull requests
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Vs code
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Agent management
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Code security analysis
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Code testing
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–
Code validation
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–
Debugging
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
2
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.