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 Antigravity CLI is Mellum, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Antigravity CLI and five 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 Antigravity CLI are OpenHands, Rivet AI, Dify - LLMOps Platform and Osaurus.
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.

Streamlines AI application development by combining plugin and dataset integration, a unified API, visual orchestration, analytics, annotation tools, prompt engineering support, backend-as-a-service capabilities, and compatibility with multiple modern LLMs.




AI edge infrastructure for macOS. Run local or cloud models, share tools across apps via MCP, and power AI workflows with a native, always-on runtime.
