OpenAI Codex CLI vs Stack AI vs Kimi Code 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
Stack AI
Competitor 2
Kimi Code
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.
Remove
Competitor Stack AI
stack-ai.com
Connect AI models visually
Make main Remove
Competitor Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
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
—
6.3Kvisits/mo
60.1Mvisits/mo
14Mvisits/mo
MoM change
—
▼ 57.9%
▲ 52.2%
▼ 3.1%
6-month growth
—
-93.7%
+33.8%
-31.9%
Global rank web
—
#1,700,092
#852
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Avg. last 3 months
—
13.9K
48.3M
15.4M
Bounce rate lower is better
—
39%
37%
48%
Pages / visit
—
1.8
3.9
2.2
Visit duration
—
14s
7m 13s
3m 35s
Traffic sources
—
—
● Direct 89% · ● Referral 10%
● Direct 58% · ● Referral 42%
OpenAI Codex CLIStack AIKimi CodeGoogle Antigravity
015M30.1M45.1M60.1MStack 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 · 6.3KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MGoogle 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 · 6.3KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MGoogle 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
Freemium
Freemium
Free
Starting price
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Free tier
$15per month · free tier available
Free
Free tier
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Free trial
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–
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API access
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–
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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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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
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Capabilities input → output
Input
CodeImagesText
DataDocumentsText
CodeText
CodeText
Output
Code
Apps
Code
AppsCode
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Workflow+1 more
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
4
7
6
9
Coding
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Agents
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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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–
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No-code
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Workflows
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Agent management
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–
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Business automation
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–
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Code autocompletion
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–
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Debugging
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–
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Process automation
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Refactoring
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Developer assistance
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Finance workflow automation
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Frontend development
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Shell commands
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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–
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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.