Stack AI vs OpenAI Codex CLI vs GitHub Copilot CLI vs Kimi Code
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Stack AI
vs
Stack AI
Competitor 1
OpenAI Codex CLI
OpenAI Codex CLI
Competitor 2
GitHub Copilot CLI
GitHub Copilot CLI
Competitor 3
Kimi Code
Kimi CodeCompare
4 tools · best value per row highlighted
Competitor
OpenAI Codex CLI
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 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
Kimi Code
Kimi Code
kimi.com
Writing code means constantly jumping between your editor and browser tabs stuffed with documentation
Traffic estimated monthly website traffic
Monthly visits
6.3Kvisits/mo
—
—
60.1Mvisits/mo
MoM change
▼ 57.9%
—
—
▲ 52.2%
6-month growth
-93.7%
—
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+33.8%
Global rank web
#1,700,092
—
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#852
Avg. last 3 months
13.9K
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—
48.3M
Bounce rate lower is better
39%
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—
37%
Pages / visit
1.8
—
—
3.9
Visit duration
14s
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—
7m 13s
Traffic sources
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● Direct 89% · ● Referral 10%
Stack AIOpenAI Codex CLIGitHub Copilot CLIKimi Code
Pricing
Model
Freemium
Paid
Free
Freemium
Starting price
Free tier
—
Free
$15per month · free tier available
Free tier
–
Free trial
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–
API access
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Plans
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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
Capabilities input → output
Input
DataDocumentsText
CodeImagesText
CodeText
CodeText
Output
Apps
Code
Code
Code
Skill level
Intermediate
Advanced
Intermediate
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
5
2
4
6
Coding
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Developer tools
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Agents
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No-code
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Workflows
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Agent creation
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Debugging
–
–
–
Refactoring
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Developer assistance
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Finance workflow automation
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GitHub management
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Shell commands
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 1
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
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.