For agent builders who want clicking, coding and tool calls in one model, with an Apache-licensed 35B option and cheap API rates.
Kenning's take
What it does
Holo4 is H Company's latest agent model series, able to click and type on screens, write and run code, and call MCP or API tools within one task. It comes as a 27B dense model and a cheaper 35B-A3B mixture-of-experts model, both with a 256K context. Both are on the H Models API, and weights are on Hugging Face, with the 35B-A3B under Apache 2.0.
- Uses GUIs, code, MCP and APIs
- 27B dense and 35B-A3B sizes
- 256K token context
- Runs on desktop, web, Android and code sandboxes
- Benchmark run trajectories published
Who it suits. Developers and enterprises building agents for business workflows.
Key facts
- Category
- AI models
- Made by
- H Company
- Based in
- France
- Released
- 28 September 2026
- How to get it
- H Models API; open weights on Hugging Face
- Works on
- API, open-weights
- In the UK
- Yes
- Free plan
- yes, open weights
- API price
- 27B: $0.40 per million input tokens ($0.04 cached), $3 per million output; 35B-A3B: $0.30 input ($0.03 cached), $2 output
Pricing
| Plan | Price | Billed |
|---|---|---|
| Agents API Free | $0 | month |
| Agents API Builder | $20 | month |
FAQ
When was Holo4 released?
H Company released it on 28 September 2026.
How much does Holo4 cost?
On the H Models API, the 27B costs $0.40 per million input tokens and $3 per million output; the 35B-A3B costs $0.30 and $2.
Is Holo4 open?
Weights for both sizes are on Hugging Face; the 35B-A3B is under Apache 2.0.
Facts from the maker's own pages and the sources listed. Checked 2026-10-11.
Similar tools
ACE-Step 1.5
Open-source music generation model that writes full songs with lyrics and runs on ordinary consumer GPUs.
AlphaGenome Atlas
Google DeepMind database of AI-predicted effects for every possible single-letter change in human DNA.
Amazon Nova 2
Amazon's second family of Nova AI models, covering reasoning, speech conversation and combined text-and-image generation.
Cisco Antares
Cisco's small open-weight models that find where known security vulnerabilities sit in a codebase, running locally.