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[ARTICLE · art-81065] src=infoworld.com ↗ pub= topic=large-language-models verified=true sentiment=· neutral

JetBrains open sources KotlinLLM runtime code generator

JetBrains open-sourced KotlinLLM, an IntelliJ IDEA plugin prototype that delegates runtime logic to a large language model (LLM) from Kotlin code, enabling code generation, runtime updates, and hot-reloading. The project, released July 28 under Apache License 2.0, addresses limitations of existing options for using LLMs at application runtime.

read1 min views1 publishedJul 30, 2026

KotlinLLM, a research prototype for delegating runtime logic to a large language model (LLM) from Kotlin code, is now going open source and public, JetBrains announced.

Revealed July 28, KotlinLLM is an IntelliJ IDEA plugin prototype for experimenting with LLM-driven “Smart macros” in Kotlin, enabling code generation, runtime updates, and hot-re. In software engineering, LLMs are commonly used during development for code completion, code generation, and program comprehension, JetBrains noted, but using an LLM at run time of a compiled application is much less common. The existing options for doing this have the following trade-offs, according to JetBrains:

KotlinLLM addresses these limitations in three ways, JetBrains said:

KotlinLLM is open source under Apache License 2.0. The repository contains the KotlinLLM IntelliJ IDEA plugin, the Smart macro API, and example projects.

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