OpenAI Codex CLI vs GitHub Copilot CLI vs Stack AI vs Google Antigravity

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
Stack AI
Competitor 3
Google Antigravity
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.
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.
Competitor Stack AI
stack-ai.com
Connect AI models visually
Competitor Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Traffic estimated monthly website traffic
Monthly visits
—
—
6.3Kvisits/mo
14Mvisits/mo
MoM change
—
—
▼ 57.9%
▼ 3.1%
6-month growth
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-93.7%
-31.9%
Global rank web
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#1,700,092
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Avg. last 3 months
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13.9K
15.4M
Bounce rate lower is better
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39%
48%
Pages / visit
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1.8
2.2
Visit duration
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14s
3m 35s
Traffic sources
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● Direct 58% · ● Referral 42%
OpenAI Codex CLIGitHub Copilot CLIStack AIGoogle Antigravity
05.4M10.8M16.2M21.6MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14M1K10K100K1M10M100MStack AI · 143.4KStack AI · 153.7KStack AI · 167.9KStack AI · 160KStack AI · 99.4KStack AI · 35.9KStack AI · 17.4KStack AI · 20.6KStack AI · 14.9KStack AI · 6.3KGoogle Antigravity · 12.1MGoogle Antigravity · 15.1MGoogle Antigravity · 15.9MGoogle Antigravity · 21.6MGoogle Antigravity · 20.5MGoogle Antigravity · 16.4MGoogle Antigravity · 21.5MGoogle Antigravity · 17.9MGoogle Antigravity · 14.4MGoogle Antigravity · 14MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Free
Starting price
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Free
Free tier
Free
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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Capabilities input → output
Input
CodeImagesText
CodeText
DataDocumentsText
CodeText
Output
Code
Code
Apps
AppsCode
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
5
7
9
Agents
Coding
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Developer tools
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Agent creation
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Terminal
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Development
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No-code
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Workflows
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Agent management
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Business automation
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Code autocompletion
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GitHub pull requests
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Process automation
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Finance workflow automation
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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
no ratings yet
Upvotes
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▲ 0
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▲ 1
Saves
0
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Reviews
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Prompts
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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.