Gemini CLI vs OpenAI Codex CLI vs Functionize vs Google Antigravity

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

Your tool
Gemini CLI
vs
Competitor 1
OpenAI Codex CLI
Competitor 2
Functionize
Competitor 3
Google Antigravity
Compare
4 tools · best value per row highlighted
Your tool Gemini CLI
github.com
It can query and edit large codebases, generate new apps from PDFs, images, or sketches using multimodal input, and debug problems when you describe them in plain language.
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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 Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Make main Remove
Competitor Google Antigravity
antigravity.google
Google Antigravity assumes you already think in agent-driven workflows
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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14Mvisits/mo
MoM change
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▼ 3.1%
6-month growth
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-31.9%
Global rank web
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Avg. last 3 months
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15.4M
Bounce rate lower is better
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48%
Pages / visit
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2.2
Visit duration
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3m 35s
Traffic sources
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● Direct 58% · ● Referral 42%
Gemini CLIOpenAI Codex CLIFunctionizeGoogle Antigravity
05.4M10.8M16.2M21.6MGoogle 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 · 14M10M100MGoogle 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
Free
Paid
Freemium
Free
Starting price
Free
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$20per month · free tier available
Free
Free tier
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Free trial
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API access
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Plans
Free (personal Google account) Free
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
Free FreeGrowth $20/moScale $100/moEnterprise Custom
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Capabilities input → output
Input
CodeDocumentsImagesText
CodeImagesText
TextWeb pages
CodeText
Output
Code
Code
Data
AppsCode
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
4
7
9
Agents
Coding
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Developer tools
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Development
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Terminal
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Test automation
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Testing
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Agent creation
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Agent management
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Code autocompletion
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Test creation
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Test generation
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Code analysis
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Debugging
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Frontend development
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Test cases
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Website testing
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
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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.