---
title: "Hunyuan Hy4 (preview)"
description: "Tencent's next open model, in preview"
canonical: "https://vetted.tools/models/hunyuan-hy4-preview"
source: "https://vetted.tools/models/hunyuan-hy4-preview.md"
---

# Hunyuan Hy4 (preview)

Tencent's next open model, in preview

Source: https://vetted.tools/models/hunyuan-hy4-preview

- Slug: `hunyuan-hy4-preview`
- By [Tencent](https://vetted.tools/companies/tencent) ([hunyuan.tencent.com](https://hunyuan.tencent.com), checked 2026-09-26)
- Official page: [https://hunyuan.tencent.com](https://hunyuan.tencent.com)

## Facts

- Capabilities: Reasoning, Tool use, Implicit caching ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Context window: 1.02M tokens (1,024,000) ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Gateway ID: tencent/hy4-preview ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Input: $0.834 per 1M tokens ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Max output: 64K tokens (64,000) ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Takes: Text ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Returns: Text ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- No training on prompts: Not offered by any provider on the Vercel AI Gateway ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Output: $2.501 per 1M tokens ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Released: Aug 28, 2026 ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Type: Language ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)
- Zero data retention: Not offered by any provider on the Vercel AI Gateway ([Vercel AI Gateway](https://ai-gateway.vercel.sh/v1/models), checked 2026-09-26)

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