LONG MEMORY · Tencent

Hy4 preview

Hy4 preview is a reasoning, tool-using model from Tencent in the Tencent family, living in Snow Country (long memory). It reads text and writes text, with a 1.05M-token context window and up to 64K tokens of output. On OpenRouter it costs $0.830 per million input tokens and $2.50 per million output tokens.

See Hy4 preview in 3D Open in the Worktable View on OpenRouter

Specifications

Provider: Tencent
Family: Tencent
Province: Snow Country
Context window: 1.05M tokens
Maximum output: 64K tokens
Input / 1M tokens: $0.830
Output / 1M tokens: $2.50
Accepts: text
Produces: text
Reasoning: Yes
Tool use: Yes
Added to OpenRouter: 2026-08-28
Model ID: tencent/hy4-preview
Price history: —All recorded prices

From the 2026-10-24 catalog snapshot. Prices are US dollars per million tokens.

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