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

Mellum is the most popular Self-Hosted alternative to Kiro.
- Mellum is Free and Open Source
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 25 alternatives to Kiro and three 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 and Rivet AI.
Mellum-4b-base is JetBrains' first open-source large language model (LLM) optimized for code-related tasks.

Mellum is the most popular Self-Hosted alternative to Kiro.
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.
