OpenAI Codex CLI vs opcode vs Kilo Code vs Runcell

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
opcode
Competitor 2
Kilo Code
Competitor 3
Runcell
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 opcode
opcode.sh
opcode is a free, open-source desktop application that gives Anthropic's command-line coding agent a graphical interface.
Make main Remove
Competitor Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
Make main Remove
Competitor Runcell
runcell.dev
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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—
1.9Kvisits/mo
176.9Kvisits/mo
MoM change
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—
▼ 42.3%
▲ 4.1%
6-month growth
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-94.4%
+13.2%
Global rank web
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#4,668,091
#279,476
Avg. last 3 months
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10.5K
168.7K
Bounce rate lower is better
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34%
45%
Pages / visit
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2.4
1.8
Visit duration
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19s
45s
Traffic sources
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● Direct 73% · ● Referral 27%
OpenAI Codex CLIopcodeKilo CodeRuncell
0186.2K372.3K558.5K744.7KKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9K1K10K100K1MKilo Code · 744.7KKilo Code · 164KKilo Code · 48.6KKilo Code · 16KKilo Code · 33.5KKilo Code · 14.4KKilo Code · 10.5KKilo Code · 26.4KKilo Code · 3.2KKilo Code · 1.9KRuncell · 52KRuncell · 99.5KRuncell · 144.1KRuncell · 154KRuncell · 156.3KRuncell · 140.4KRuncell · 170.3KRuncell · 159.2KRuncell · 170KRuncell · 176.9KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
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Free
$20per month · free tier available
$20per 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
Open source Free
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Hobby FreePro $20/moPro+ $60/moUltra $200/mo+1 more
Capabilities input → output
Input
CodeImagesText
CodeText
CodeText
DataText
Output
Code
Code
Code
CodeData
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding AssistantAI Developer Tools
Development & CodeAI Coding Assistant
Development & CodeResearch & AnalyticsAI Coding AssistantAI For Data Analytics
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
6
5
6
Coding
Agents
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Developer tools
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Data analysis
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Jupyter notebooks
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Code explanations
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Coding in VS Code
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Python code debugging
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Agent creation
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Code analysis
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Data science
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Development
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MCP
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Self hosted
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Terminal
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Vs code
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
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Saves
0
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0
Reviews
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Prompts
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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.