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Record · koogFrameworkCosts not checkedRecord checked Sep 23, 2026

Koog

JetBrains' Kotlin and Java framework for predictable, fault-tolerant AI agents across JVM, Android, iOS and the browser.

Visit Koog →View repository

Sources and review

Checked against public documentation on . Suitability guidance is our editorial judgment; this is not a performance benchmark or an endorsement.

Best for

JVM and Android teams that want agents in their own stack rather than in Python.

Avoid if

Your team works mainly in Python or TypeScript, where larger agent ecosystems exist.

About Koog

Koog, from JetBrains, builds and runs AI agents in idiomatic Kotlin and Java. It deploys across JVM, JS, WasmJS, Android and iOS through Kotlin Multiplatform, recovers from failures with retries and agent-state persistence, compresses conversation history to save tokens, and integrates with JVM frameworks such as Spring Boot and Ktor.

Koog is listed in this index written primarily in Kotlin, with 4.6k stars on GitHub. Its latest recorded repository push was in November 2026; that is not an ASE editorial review date.

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