Tencent

Tencent: Hy4 preview

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...

hy4-preview

Pricing

~90%

Input: $0.0834 / 1,000,000 tokens
Output: $0.2501 / 1,000,000 tokens
Cache read: $0.0042 / 1,000,000 tokens
Cache write: $0.0834 / 1,000,000 tokens

How pricing works

Discount history

90%Nov 8, 03:56 AM UTC

Nov 7, 11:57 PMNov 8, 03:56 AM UTC

Model details

Input: text
Output: text
Context window: 1,048,576 tokens
Maximum output: 64,000 tokens
Availability: Available
Updated: 11/8/2026, 3:58:06 AM UTC

Capacity is reserved when your request is accepted.

Capabilities

ChatStreamingTool callingReasoningJSON mode

Supported parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetools