Teams wanting a capable open model to self-host for agents get one under Apache 2.0, so UK use is not blocked by licence.

Kenning's take

What it does

Hy3 is Tencent's large language model for reasoning, coding and agent tasks, a mixture-of-experts with 295 billion parameters, 21 billion active and a 256K context. It follows Hy3 Preview from April 2026 and is aimed at cheap, dependable agent use. Weights are free under Apache 2.0 on Hugging Face, ModelScope and GitHub.

  • 295B parameters, 21B active
  • 256K token context
  • Built for agents and coding
  • Apache 2.0 open weights
  • Runs on vLLM and SGLang

Who it suits. Developers and companies that want a capable open model to self-host for agents.

Key facts

Category
AI models
Made by
Tencent
Based in
China
Released
6 July 2026
How to get it
open weights on Hugging Face, ModelScope, GitCode and CNB; Tencent API
Works on
open-weights, API
In the UK
Yes
Free plan
yes, open weights

Reviews and write-ups

FAQ

When was Hy3 released?

Tencent unveiled it on 6 July 2026, after a preview in April.

Is Hy3 open source?

Yes, under the Apache 2.0 licence.

Facts from the maker's own pages and the sources listed. Checked 2026-10-11.