Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.

The best Large Language Model (LLM) alternative to Kiro is Mellum, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Kiro and six of them are Large Language Model (LLM) Tools so hopefully you can find a suitable replacement. Other interesting Large Language Model (LLM) Tool alternatives to Kiro are OpenHands, Rivet AI, Xiaomi MiMo Code and Ollie IDE.
Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.

OpenHands is an open-source project aiming to replicate Devin, an autonomous AI software engineer who is capable of executing complex engineering tasks and collaborating actively with users on software development projects.




Visual AI programming platform with a graphical interface for creating, editing, and debugging LLM agent workflows, supporting real-time collaboration, YAML-based version control, open-source TypeScript library integration, and scalable deployment in production environments.

Terminal-native open-source AI coding assistant for Mac, Windows, Linux, and BSD, featuring cross-session memory, reading and writing code, Git management, command execution, built-in MiMo Auto for zero configuration start, and integration with mainstream LLM provider APIs.




Ollie is a sovereign creative suite designed for developers, writers, and creators who want the power of AI without sacrificing privacy or paying monthly subscriptions. It is a unified engine that runs local AI models entirely offline on your own hardware, ensuring complete data...



A coding-focused perk of the Kimi membership, engineered to drop into any dev workflow, answer faster and more reliably, and get programming tasks done in record time.

