Shelly vs Blink Agent Builder
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Blink Agent Builder leads with 553 upvotes
Run OpenAI Codex CLI natively on Android
Shelly is an innovative open-source tool that enables users to run the OpenAI Codex CLI natively on Android devices without the need for a PC, Termux, or proot environments. Its seamless integration pairs a real native terminal with an Agent Chat interface that reads Codex output in real-time, allowing users to execute fixes with a single tap. Additionally, Shelly features a home-screen Scouter widget that displays quota, cost, and rate limits, and provides quick access to prompt firing directly from the home screen. Supporting local Large Language Models like Qwen3.5 and llama.cpp, it offers flexibility for offline and on-device AI processing. Built entirely through AI agents, Shelly emphasizes automation and ease of use, making AI-powered coding and prompt management accessible on Android devices. Its open-source GPLv3 license fosters transparency and community-driven improvements, making it a compelling choice for developers and AI enthusiasts seeking a portable, powerful, and customizable solution.
Pros
- Runs OpenAI Codex CLI natively on Android without external dependencies
- Supports local LLMs like Qwen3.5 and llama.cpp for offline use
- Intuitive Agent Chat interface with live Codex output reading and fix execution
- Home screen widget for quick prompt access, quota, and cost monitoring
- Open source GPLv3 license encourages community collaboration and customization
Cons
- Limited to users comfortable with command-line and AI agent configurations
- Potential learning curve for those unfamiliar with terminal or LLMs
- Features and stability may vary as an open-source project still evolving
Best for
- • Running and testing OpenAI Codex CLI commands directly on Android devices
- • Automating code fixes and prompt execution via the Agent Chat interface
- • Monitoring API quotas, costs, and rate limits from the home screen widget
- • Using local LLMs for offline or privacy-sensitive AI coding tasks
Pricing: Open source and free to use under GPLv3 license; no paid plans are specified, though community contributions may enhance features.
You can now vibe code agentic AI apps
Blink Agent Builder is an innovative vibe coding platform designed for developers and AI enthusiasts who want to rapidly build and deploy intelligent AI agents. It simplifies the process of creating autonomous agents that can think, utilize tools, and complete complex tasks from start to finish. With features like built-in web search, code execution, a vector database, sandbox environment, and access to over 180 AI models, Blink empowers users to craft sophisticated AI applications quickly and efficiently. Its ability to recreate popular AI tools such as Cursor, Perplexity, and Shortcut in minutes highlights its versatility and power. The platform is ideal for those looking to experiment with AI-driven automation or develop custom AI solutions without extensive coding expertise, making AI development more accessible and streamlined.
Pros
- User-friendly vibe coding platform enabling rapid AI agent creation
- Rich set of features including web search, code execution, and vector database
- Supports over 180 AI models for versatile applications
- Ability to recreate complex AI tools in minutes
- Suitable for both developers and AI enthusiasts
Cons
- May have a learning curve for complete beginners
- Limited details on pricing structure and plans
- Potential performance variability depending on AI model usage
Best for
- • Rapid prototyping of intelligent AI agents for automation
- • Recreating existing AI tools for customization and improvement
- • Building AI-powered customer support bots
- • Developing autonomous research assistants
Pricing: Likely operates on a freemium model with free access to core features and paid plans offering additional models, tools, or usage limits. Exact pricing details are not specified, but such platforms typically start around $20-$50 per month for advanced features.