fx (by Vercel) vs Velo
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 Velo leads with 667 upvotes

Vercel's tiny, open-source coding agent
fx by Vercel is an ultra-lightweight, open-source coding agent designed to streamline developer workflows. Built in Zig and delivered as a compact (~6MB) native binary, fx starts almost instantly and operates with minimal memory and contextual overhead. Its design allows developers to extend its capabilities through plugins, skills, and MCPs, making it highly customizable for various coding tasks. Suitable for both local and cloud environments, fx aims to get out of the developer's way, providing a fast, efficient, and flexible tool that enhances productivity without sacrificing performance. Its small size ensures more resources are available for the model to perform complex tasks, making it ideal for developers seeking a nimble AI assistant integrated into their existing infrastructure.
Pros
- Extremely lightweight and fast startup time
- Open-source with high customizability via plugins and skills
- Low memory and context overhead for efficient performance
- Built in Zig for performance and portability
- Supports local and cloud models for flexibility
Cons
- Relatively new and may have a smaller user community
- Requires technical expertise to extend and integrate
- Limited out-of-the-box features compared to larger AI assistants
Best for
- • Assisting developers with code generation and review
- • Automating repetitive coding tasks
- • Embedding into custom developer infrastructure
- • Running lightweight AI models locally for privacy-sensitive projects
Pricing: fx is open-source and free to use, with no paid tiers mentioned. Its open-source nature allows developers to deploy and modify it without licensing costs, though running in cloud environments may incur infrastructure expenses.

Share anything as video messages
Velo is an innovative AI-powered platform that transforms raw screen recordings into polished, engaging video messages ready for sharing. Designed for professionals, educators, and content creators, Velo simplifies the often time-consuming process of editing and refining screen captures, making it easy to produce professional-looking videos in minutes. Its AI-driven features automatically enhance video quality, add annotations, and streamline the editing process, allowing users to focus on their message rather than technical details. The tool's intuitive interface and smart automation make it accessible for both beginners and experienced users, enabling quick creation of compelling video content suitable for tutorials, product demos, or internal communications. With a focus on productivity and ease of use, Velo stands out by combining powerful AI with seamless sharing capabilities, making video messaging more efficient and effective.
Pros
- AI-powered editing simplifies video creation and enhances quality
- User-friendly interface suitable for all skill levels
- Speeds up the process of turning screen recordings into shareable videos
- Supports quick sharing across multiple platforms
- Automated features reduce editing time
Cons
- Limited customization options compared to traditional video editors
- Features may be less suitable for highly complex or long-form videos
- Dependence on AI may sometimes lead to less control over final edits
Best for
- • Creating quick product demos for onboarding or support
- • Sharing educational tutorials and training videos
- • Internal communication videos for teams or stakeholders
- • Customer support recordings with annotations and highlights
Pricing: Likely operates on a freemium model, offering basic features for free with premium plans available that unlock additional editing tools, higher video quality, or increased sharing options. Exact pricing details are not specified but typically start around $10-$30/month for advanced features.