Hy4

language modelTencent

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

Key facts

Made byTencent
Typelanguage model
ReleasedAugust 28, 2026
Reads at once1,048,576 tokens
Price (API, per million tokens)$0.75 in · $2.25 out
Input → outputtext → text

Questions about Hy4

Who makes Hy4?

Hy4 is made by Tencent.

When was Hy4 released?

We first saw Hy4 listed on August 28, 2026.

How much does Hy4 cost?

Through OpenRouter it costs $0.75 per million input tokens and $2.25 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Hy4 read at once?

Up to 1,048,576 tokens, roughly 786.4K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with Tencent.