Chidori

Reactive runtime for durable AI agents

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Stable

License

Open Source

Data freshness

Verified · Jul 12, 2026

Overview

What is Chidori?

Chidori is a reactive runtime designed to build and deploy durable AI agents. It offers a robust framework for developers looking to create resilient, stateful applications with AI capabilities.

Key differentiator

Chidori stands out as a specialized reactive runtime for building durable AI agents, offering unique features for managing complex, stateful applications.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Reactive runtime for building durable AI agentsmedium

Stateful application supportmedium

Highly customizable and extensible architecturemedium

↓ 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 language support beyond JavaScript and Pythonhigh

Primary focus on JavaScript with secondary support for Python, no official support for other languages

Performance issues under heavy loadmedium

Reports of increased latency and resource consumption when handling large numbers of concurrent AI agents

Fit analysis

Who is it for?

✓ Best for

Teams building long-running AI applications requiring durable state management

Projects needing a robust runtime for complex, stateful workflows

✕ Not a fit for

Applications that do not require persistent state or recovery capabilities

Scenarios where real-time performance is critical and cannot tolerate the overhead of state management

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 Chidori

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

View Setup Guide →