OpenAI Codex CLI vs Aider vs OpenCode vs Kimi Code

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
Aider
Competitor 2
OpenCode
Competitor 3
Kimi Code
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 Aider
aider.chat
AI pair programming in your terminal
Make main Remove
Competitor OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
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
Traffic estimated monthly website traffic
Monthly visits
—
317.9Kvisits/mo
—
60.1Mvisits/mo
MoM change
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▼ 15.9%
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▲ 52.2%
6-month growth
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-12.7%
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+33.8%
Global rank web
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#140,509
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#852
Avg. last 3 months
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378.5K
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48.3M
Bounce rate lower is better
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48%
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37%
Pages / visit
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2.0
—
3.9
Visit duration
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55s
—
7m 13s
Traffic sources
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● Direct 83% · ● Referral 16%
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● Direct 89% · ● Referral 10%
OpenAI Codex CLIAiderOpenCodeKimi Code
015M30.1M45.1M60.1MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M100K1M10M100MAider · 293.8KAider · 277.7KAider · 314.6KAider · 289.1KAider · 364.1KAider · 402KAider · 478.7KAider · 439.5KAider · 378KAider · 317.9KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Free
Freemium
Starting price
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Free
Free
$15per month · free tier available
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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Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Capabilities input → output
Input
CodeImagesText
AudioCodeImagesTextWeb pages
CodeText
CodeText
Output
Code
Code
Code
Code
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
1
8
1
6
Coding
Debugging
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Refactoring
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Code testing
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Developer tools
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Git commands
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Terminal
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Developer assistance
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Development
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Shell commands
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Terminal commands management
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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.