cto.new
Completely free AI code agent
Sparrow
The lightest and fastest API testing platform
Updated February 2026
| cto.new | Sparrow | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 1 | 16 |
| Pros | 1 | 21 |
| FactScore™ | 15.1 | 61.5 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in cto.new — Pros
Free top ai agents, helping directly in your codebaseBoth tools — Pros
—Only in Sparrow — Pros
Effective API testing User-friendly interface Lightweight tool Boosts productivity Fast performance Reliable tool Open source Team collaboration Improves development workflow Self-hosting support TestFlow feature Comprehensive documentation generation Collection and environment management Discoverable features No login required Robust security tools Customizable requests Minimal inputs required Real-time testing Supports multiple authentication methods Supports various content typesOnly in cto.new — Cons
—Both tools — Cons
—Only in Sparrow — Cons
Error handling improvements needed Real-time collaboration improvements neededDetails
| cto.new | Sparrow | |
|---|---|---|
| Categories | AI Coding Agents, AI Code Editors | Automation tools, AI Coding Agents |
| Platforms | Web | Web |
| Became Popular | November 12, 2025 | July 22, 2024 |
| Website | cto.new | sparrowapp.dev |
Who Should Pick Which?
Choose cto.new if...
- Free top ai agents, helping directly in your codebase
Choose Sparrow if...
- Effective API testing
- User-friendly interface
- Lightweight tool
With a FactScore™ of 15.1 vs 61.5, Sparrow leads in community reception. cto.new uniquely offers Free top ai agents, helping directly in your codebase, while Sparrow stands out for Effective API testing and User-friendly interface.
What Users Say
cto.new
It is free, runs from my browser, pushes directly to github, zero costs from ideation to a working product.
Sparrow
I’ve been using Sparrow for API testing, and it has truly impressed me with its versatility and ease of use. The tool offers a rich set of features, including API testing, seamless collaboration am...
Sparrow provides an intuitive interface that makes API management straightforward, even for those who might not be deeply technical. It is a robust API management tool that offers a good blend of f...
Amazing UI and discoverable features. It can be used without login as well. This is for all those tired of Postman putting basic features behind a registration or paywall.
Related Comparisons
Frequently Asked Questions
Which is better, cto.new or Sparrow ?
Based on FactScore™, Sparrow leads with a score of 61.5 vs 15.1. Sparrow has a higher rating of 5.0★ compared to 5.0★.
What are the pros of cto.new compared to Sparrow ?
cto.new uniquely offers: Free top ai agents, helping directly in your codebase.
What are the pros of Sparrow compared to cto.new?
Sparrow uniquely offers: Effective API testing, User-friendly interface, Lightweight tool, Boosts productivity, Fast performance.
Is cto.new better rated than Sparrow ?
cto.new is rated 5.0★ from 1 reviews. Sparrow is rated 5.0★ from 16 reviews.
What is the FactScore™ of cto.new and Sparrow ?
FactScore™ weighs rating and review volume together. cto.new scores 15.1 and Sparrow scores 61.5.
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