Holo4: A Model That Clicks, Codes and Calls Tools

How one open-weight model click through a GUI, write and run code, and call MCP tools, and also work out which one to use at each step. Thats Holo4 Thanks to Dell for Sponsoring the Compute #DellProPrecision #DellTech #NVIDIA #DellProMax Holo4 Blog: hcompany.ai/newsroom/holo4 Holo4 27B: huggingface.co/Hcompany/Holo4-27B Holo4 35B-A3B: huggingface.co/Hcompany/Holo4-35B-A3B Holotron4 Nano: huggingface.co/Hcompany/Holotron4-30B-A3B Trajectory Viewer: trajectories.hcompany.ai 2nd Channel: youtube.com/channel/UCUF7WtR4JpVbQqcQGrLeADw Twitter: x.com/Sam_Witteveen 🕵️ Interested in building LLM Agents? Fill out the form below Building LLM Agents Form: drp.li/dIMes 👨‍💻Github: github.com/samwit/llm-tutorials ⏱️Time Stamps: 00:00 Intro 01:24 Holo4 from H Company 02:08 Recap: how an agent loop works 02:52 Three lanes: GUI, code and tools 04:44 One model that works across interfaces 06:01 H's harness: hai-agents, Claude Code and MCP 06:23 The Holo4 model family 07:07 Weights, quantizations and the 54GB model 07:41 Benchmarks vs frontier models 08:52 Dense vs MoE: the big gap 09:35 The Agentic Task Factory 10:56 Training recipe and harness rebuild 12:07 Demo: GUI, MCP and code in action 15:57 Trajectories and the license