OpenAI Codex CLI vs Rivet vs Haystack vs Qwen 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
Rivet
Competitor 2
Haystack
Competitor 3
Qwen 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.
Competitor Rivet
rivet.ironcladapp.com
Rivet is an open-source visual programming environment for building AI agents with large language models.
Competitor Haystack
haystack.deepset.ai
Haystack is an open-source AI orchestration framework from deepset for building production-grade LLM applications and agents.
Competitor Qwen Code
github.com
Qwen Code is an open-source AI coding agent that lives in the terminal and also runs in editors, a desktop app, a Web UI and chat apps.
Traffic estimated monthly website traffic
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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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Capabilities input → output
Input
CodeImagesText
Text
CodeDocuments
CodeText
Output
Code
Apps
Apps
Code
Skill level
Advanced
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Advanced
Categories
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
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Agents
Developer tools
Agent creation
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Coding
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LLM development
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No-code
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Development
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Local AI
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Self hosted
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Terminal
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Community on aitoolstime
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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.