Cradle

General Computer Control framework for strong reasoning and self-improvement.

DecliningOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is Cradle?

The Cradle framework supports agents in performing any computer task by enabling robust reasoning abilities, self-improvement, and skill curation within a standardized environment with minimal requirements. It is designed to empower developers and researchers working on advanced AI agent systems.

Key differentiator

Cradle stands out by providing a standardized environment for developing AI agents with strong reasoning and self-improvement capabilities, making it ideal for research and development in autonomous systems.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Supports strong reasoning abilities for agentsmedium

Enables self-improvement and skill curationmedium

Standardized general environment with minimal requirementsmedium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited third-party integration optionshigh

Lacks native support for popular AI frameworks and tools, requiring custom integrations

Small community and slow issue resolutionmedium

GitHub issues have low engagement and long response times from maintainers

Fit analysis

Who is it for?

✓ Best for

Researchers looking to develop and test new reasoning algorithms for AI agents

Development teams working on self-improving software agents

Projects requiring a standardized environment for agent development with minimal setup requirements

✕ Not a fit for

Teams needing real-time interaction capabilities (Cradle focuses more on task-oriented environments)

Applications that require heavy integration with specific frameworks or platforms, as Cradle is designed to be general-purpose

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Works well with

Next step

Get Started with Cradle

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →