Yao
Event-driven autonomous agents engine with proactive and self-scheduling capabilities.
Pricing
Free tier
Flat rate
Adoption
↗RisingLicense
Open Source
Data freshness
Verified · Jul 16, 2026Overview
What is Yao?
Yao is an open-source engine for building autonomous agents that are event-driven, proactive, and capable of self-scheduling. It empowers developers to create intelligent systems that can operate autonomously in response to various events or conditions.
Key differentiator
“Yao stands out as an open-source solution for building autonomous agents that can act proactively and schedule tasks independently, offering developers a unique way to create intelligent systems.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Primary development is in Go, with limited official support for other languages.
Documentation lacks detailed step-by-step guides for setting up the environment from scratch.
Version history shows significant changes in APIs between minor releases, requiring substantial code adjustments.
Fit analysis
Who is it for?
✓ Best for
Teams building event-driven systems where autonomy and proactivity are key requirements
Projects requiring intelligent automation without continuous human intervention
IoT developers looking to implement smart, self-managing devices or services
✕ Not a fit for
Applications needing real-time data processing with strict latency requirements
Scenarios where the system must operate in a fully deterministic manner without autonomous decision-making
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 Yao
Step-by-step setup guide with code examples and common gotchas.