Other

Tencent: Hy4 preview

tencent/hy4-preview

canonical: tencent/hy4-preview-20260827

Descriptionfrom OpenRouter

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...

Context length

1,048,576 tok

Max completion

64,000 tok

Knowledge cutoff

—

Expires

—

Added to OpenRouter

8/28/2026

Cache last refreshed

11/12/2026

Primary modality

text->text

Source

OpenRouter

Input modalities

text

Output modalities

text

Pricing

Field	Per token (USD)	Per million
prompt	0.0000007506	$0.751
completion	0.0000022509	$2.25
input_cache_read	0.0000000378	$0.038
overrides	[object Object],[object Object]	—

Supported parameters(21)

frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_completion_tokensmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p

OpenRouter page Hugging Face

Videos

17:37

Tencent Hy4 Preview Tested: Is It Really Better Than Kimi K3 and GLM 5.3?

Aug 28, 2026 · YouTube

Rounds

5 answersin this database. A round opens every model's answer to the same prompt.

Aug 28, 2026CodingThe Cybertruck rallyin a video round answer
Aug 28, 2026Psychology & Business AcumenThe email you don't want to sendin a video round answer
Aug 28, 2026CodingTwo kilobytesin a video round answer
Aug 28, 2026CodingThe same soldierin a video round answer
Aug 28, 2026CodingLast one standing70goodin a video round answer