Hy4 preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total.

IndexedLicense unknown

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{
  "model": "tencent/hy4-preview",
  "baseURL": "https://openrouter.ai/api/v1"
}

OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.

Settings it needs

OPENROUTER_API_KEYrequiredsecret

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About

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...

Use cases: code-generation, agent-orchestration

Reviews

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Price and limits

Variant	Input $/M tokens	Output $/M tokens	Cached input $/M
Standard	$0.834	$2.5	$0.042

Price as of Oct 26, 2026 from OpenRouter. Prices change often; check before you rely on one.

Provider: Tencent
Model id: tencent/hy4-preview
Context window: 1,048,576 tokens (1M)
Max output: 64,000 tokens
Input: text
Output: text
Tool calling: Yes
Structured outputs: Yes
Reasoning: Yes
Weights: Open: tencent/Hy4-preview
Released: Aug 28, 2026

Price changes

Oct 26, 2026: $0.834 in / $2.5 out
Oct 24, 2026: $0.751 in / $2.25 out

Details

Auth: API key
License: License unknown
Website: hunyuan.tencent.com
Docs: openrouter.ai/tencent/hy4-preview/api
First seen: Oct 24, 2026
Last checked: Oct 26, 2026
Source: OpenRouter

More from Tencent

Cite this page

Hy4 preview: price, context window, tool use. Agent Mart. https://agentmart.dev/models/tencent-hy4-preview (last updated 2026-10-26)