OpenAI Codex vs Runcell vs Kimi Code

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

Your tool
OpenAI Codex
vs
Competitor 1
Runcell
Competitor 2
Kimi Code
Competitor 3
Suggested competitors for OpenAI Codex: Claude Code92% Cursor86% GitHub Copilot86% Jules85% CodeRabbit84% Gemini CLI82% Qodo (Formerly Codium)82% Google Antigravity80%
Compare
3 tools · best value per row highlighted
Your tool OpenAI Codex
openai.com
A dedicated coding agent that writes and runs code for you
Remove
Competitor Runcell
runcell.dev
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
204.3Mvisits/mo
176.9Kvisits/mo
60.1Mvisits/mo
MoM change
▲ 3.6%
▲ 4.1%
▲ 52.2%
6-month growth
+0.3%
+13.2%
+33.8%
Global rank web
#212
#279,476
#852
Avg. last 3 months
197.3M
168.7K
48.3M
Bounce rate lower is better
58%
45%
37%
Pages / visit
3.0
1.8
3.9
Visit duration
2m 31s
45s
7m 13s
Traffic sources
● Direct 81% · ● Referral 17%
● Direct 73% · ● Referral 27%
● Direct 89% · ● Referral 10%
OpenAI CodexRuncellKimi Code
066.6M133.2M199.7M266.3MOpenAI 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 · 204.3MRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9KKimi Code · 43.3MKimi Code · 38.2MKimi Code · 33.5MKimi Code · 44.9MKimi Code · 48.1MKimi Code · 43MKimi Code · 45.3MKimi Code · 39.5MKimi Code · 60.1M10K100K1M10M100M1BOpenAI 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 · 204.3MRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9KKimi 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
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$20per month · free tier available
$15per month · free tier available
Free tier
Free trial
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–
–
API access
–
–
–
Plans
—
Hobby FreePro $20/moPro+ $60/moUltra $200/mo+1 more
Adagio FreePlus $15/moPro $31/moMax $79/mo+1 more
Capabilities input → output
Input
CodeText
DataText
CodeText
Output
Code
CodeData
Code
Skill level
Advanced
Advanced
Intermediate
Categories
Development & CodeAI Code ReviewAI Coding Assistant
Development & CodeResearch & AnalyticsAI Coding AssistantAI For Data Analytics
Development & CodeAI Coding Assistant
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
6
Coding
Data analysis
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Jupyter notebooks
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Code explanations
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Debugging
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Developer tools
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Python code debugging
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Refactoring
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Code documentation
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Code reviews
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Data science
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Developer assistance
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Development
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Shell commands
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
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.