AION
Model releaseAgents & Tool Use · Large Language Models1 source · Sep 28, 2026

Holo4: powering generalist computer-use agents

Holo4 is our new series of agentic models.

Key points

  • Both are available on the H Models API.
  • Holo4 builds on our previous model and interacts with software through any available interface: GUIs, code, MCP and APIs.
  • 🤖 Models: Holo4-27B | Holo4-35B-A3B | Holotron4 Nano
  • Holo4 runs on desktops, on the web, on Android, in a code sandbox and against business APIs.

Sources (1)

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