Tencent LLM Big Open weights

Hy4

8 days since Tencent announced it · 4 Nov 2026

Hy4 is an open-weights LLM from Tencent, announced 4 Nov 2026. It costs $0.90 per 1M input tokens and $2.70 per 1M output tokens. Its context window is 1M tokens.

Input: $0.90; per 1M tokens
Cache write: —; per 1M tokens
Cache read: $0.04; per 1M tokens
Output: $2.70; per 1M tokens
Context window: 1M; tokens
Parameters: —; not found

Announcement: tencent.com/tencent-launches-hy4-joining-the-ranks-of-the-worlds-leading-open-source-ai-models
Our story: Our story

Our coverage

2 stories

Tencent launches Hy4 open-weights model
04 Nov 2026
Tencent previews Hy4 as overseas cloud customers double
29 Oct 2026

Tencent · Big · Hy

open weights

Hy4 4 Nov 2026

Tencent launches Hy4 open-weights model

Tencent previews Hy4 as overseas cloud customers double