OpenAI Codex CLI vs OpenCode vs Haystack vs Kuberns

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

Your tool
OpenAI Codex CLI
vs
Competitor 1
OpenCode
Competitor 2
Haystack
Competitor 3
Kuberns
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.
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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 Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
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Competitor Kuberns
kuberns.com
Deploy your project in minutes with an AI-agentic platform.
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Traffic estimated monthly website traffic
Monthly visits
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51.7Kvisits/mo
MoM change
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▲ 11.6%
6-month growth
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-4.8%
Global rank web
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#389,451
Avg. last 3 months
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47.8K
Bounce rate lower is better
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27%
Pages / visit
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8.8
Visit duration
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14m 35s
Traffic sources
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● Direct 83% · ● Referral 16%
OpenAI Codex CLIOpenCodeHaystackKuberns
013.6K27.2K40.7K54.3KKuberns · 54.3KKuberns · 42.4KKuberns · 48.4KKuberns · 45.4KKuberns · 46.3KKuberns · 51.7K10K100KKuberns · 54.3KKuberns · 42.4KKuberns · 48.4KKuberns · 45.4KKuberns · 46.3KKuberns · 51.7KFeb '26MarAprMayJunJul
Pricing
Model
Paid
Free
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Freemium
Starting price
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Free
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$7per 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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Free Trial FreeStarter $7/moBasic $12/moStandard $20/mo+2 more
Capabilities input → output
Input
CodeImagesText
CodeText
CodeDocuments
Code
Output
Code
Code
Apps
Apps
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeAI Coding Assistant
Development & CodeAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Development & CodeProductivity & OfficeAI AgentAI Developer Tools
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
2
3
5
6
Developer tools
Coding
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Agents
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Development
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Agent creation
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LLM development
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DevOps
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Workflow deployment
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Agent memory
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Cloud DevOps advice
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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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.