Hy4 preview

Tencent · 2 posts · 4 outlets writing

listed on OpenRouter 28 August 2026 · tencent/hy4-preview

Announced: 27 August 2026; from Introducing Hy4 preview
Context window: 1M-token context window; from Introducing Hy4 preview
Price: $0.042 per 1M tokens for cached input, $0.834 per 1M tokens for input, $2.501 per 1M tokens for output; from Introducing Hy4 preview

Launched with Introducing Hy4 preview.

Launch and releases

TencentOpen-weight release· 9 days ago

Tencent Releases and Open-Sources Tencent Hy4 preview

Tencent released and open-sourced Hy4 preview, a 770B-parameter large language model with 49B active parameters and a context window exceeding 1M tokens.

TencentNew model· 9 days ago

Hy4 preview · Tencent — forck.live

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Hy4 preview

Tencent · 2 posts · 4 outlets writing

listed on OpenRouter 28 August 2026 · tencent/hy4-preview

Announced: 27 August 2026; from Introducing Hy4 preview
Context window: 1M-token context window; from Introducing Hy4 preview
Price: $0.042 per 1M tokens for cached input, $0.834 per 1M tokens for input, $2.501 per 1M tokens for output; from Introducing Hy4 preview

Launched with Introducing Hy4 preview.

Launch and releases

TencentOpen-weight release· 9 days ago

Tencent Releases and Open-Sources Tencent Hy4 preview

Tencent released and open-sourced Hy4 preview, a 770B-parameter large language model with 49B active parameters and a context window exceeding 1M tokens.

TencentNew model· 9 days ago

Introducing Hy4 preview

Tencent releases Hy4 preview, a 770B-parameter model with 49B active parameters and a 1M-token context window, open-sourced and available on Tencent Cloud and OpenRouter.

Coverage

Economic Timesreported

China's Tencent releases new open-source AI model for coding, research tasks

on Introducing Hy4 preview

Reutersreported

Reuters

on Introducing Hy4 preview

TechNodereported

Tencent open-sources Hy4 preview with 770B parameters and a 1M-token context

on Introducing Hy4 preview

WOWTALEreported

Tencent Opens the Weights of a 770B Model — US Labs Close, Chinese Labs Open

on Introducing Hy4 preview