OpenAI Codex vs OpenAI API vs Gemini vs Google Antigravity

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

Your tool
OpenAI Codex
vs
Competitor 1
OpenAI API
Competitor 2
Gemini
Competitor 3
Google Antigravity
Compare
4 tools · best value per row highlighted
Your tool OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
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Competitor OpenAI API
platform.openai.com
The API powering the AI ecosystem
Make main Remove
Competitor Gemini
gemini.google.com
Google's most capable AI model
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
204.3Mvisits/mo
15.2Mvisits/mo
2.6Bvisits/mo
14Mvisits/mo
MoM change
▲ 3.6%
▲ 4.6%
▼ 2.6%
▼ 3.1%
6-month growth
+0.3%
-2.4%
+0.8%
-31.9%
Global rank web
#212
—
#17
—
Avg. last 3 months
197.3M
15.2M
2.7B
15.4M
Bounce rate lower is better
58%
34%
28%
48%
Pages / visit
3.0
5.4
4.1
2.2
Visit duration
2m 31s
3m 56s
7m 01s
3m 35s
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 82% · ● Referral 15%
● Direct 94% · ● Referral 4%
● Direct 58% · ● Referral 42%
OpenAI CodexOpenAI APIGeminiGoogle Antigravity
0725.8M1.5B2.2B2.9BOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MGemini · 1.4BGemini · 1.7BGemini · 2.1BGemini · 2.1BGemini · 2.6BGemini · 2.8BGemini · 2.9BGemini · 2.9BGemini · 2.7BGemini · 2.6BGoogle 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 · 14M10M100M1B10BOpenAI Codex · 266.3MOpenAI Codex · 225MOpenAI Codex · 210.1MOpenAI Codex · 191.2MOpenAI Codex · 203.7MOpenAI Codex · 195.7MOpenAI Codex · 203.1MOpenAI Codex · 190.4MOpenAI Codex · 197.2MOpenAI Codex · 204.3MOpenAI API · 18.7MOpenAI API · 16.7MOpenAI API · 16.5MOpenAI API · 15.6MOpenAI API · 15.9MOpenAI API · 15.1MOpenAI API · 15.7MOpenAI API · 14.6MOpenAI API · 15.2MGemini · 1.4BGemini · 1.7BGemini · 2.1BGemini · 2.1BGemini · 2.6BGemini · 2.8BGemini · 2.9BGemini · 2.9BGemini · 2.7BGemini · 2.6BGoogle 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
Freemium
Paid
Freemium
Free
Starting price
$20per month · free tier available
—
$4.99per month · free tier available
Free
Free tier
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Free trial
–
–
API access
–
–
–
–
Plans
—
—
Free FreeGoogle AI Plus $4.99/moGoogle AI Pro $19.99/moGoogle AI Ultra 5x $99.99/mo+1 more
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Capabilities input → output
Input
CodeText
TextImagesDocumentsAudio
AudioTextImagesDocumentsCode
CodeText
Output
Code
VideoImagesCodeAudioText
VideoTextImagesCodeAudio
CodeApps
Skill level
Advanced
Advanced
Beginner-friendly
Advanced
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeAI APILarge Language Models (LLMs)
Chatbots & CompanionsDevelopment & CodeEducation & LearningImage Editing+27 more
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
9
6
15
9
Coding
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Agents
–
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Development
–
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Large language models
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Developer tools
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Terminal
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APIs
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–
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Chatbots
–
–
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Image generation
–
–
–
Agent creation
–
–
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Agent management
–
–
–
Code autocompletion
–
–
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Email writing
–
–
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GitHub automation
–
–
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GitHub pull requests
–
–
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Image to image
–
–
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LLM development
–
–
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PDF analysis
–
–
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Research
–
–
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Search engine
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–
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Summarizing
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–
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Translations
–
–
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Video generation
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Video summaries
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Writing
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API integrations
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Chatbot building
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Code documentation
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Code reviews
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Debugging
–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
★ 4.33 ratings
no ratings yet
Upvotes
▲ 1
▲ 1
▲ 11
▲ 1
Saves
0
0
1
0
Reviews
0
0
3
0
Prompts
0
0
4
0
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.