LLM Reference
OpenRouter

Using Hunyuan Hy3 Preview on OpenRouter

Implementation guide · Hunyuan · Tencent AI Lab

ServerlessOpen Weights

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call tencent/hy3-preview — see the documentation for request format.
  3. 3
    You'll be billed $0.07/1M input, $0.26/1M output tokens. See full pricing.

Code Examples

See OpenRouter documentation for integration details.

About OpenRouter

OpenRouter provides a unified interface for Large Language Models with better pricing, improved uptime, and no subscription requirements. Route across providers for cost optimization and reliability.

OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.07
Output tokens$0.26

Capabilities

ReasoningFunction CallingTool Use

About Hunyuan Hy3 Preview

Tencent HunYuan's Hy3 Preview is a high-efficiency Mixture-of-Experts language model for agentic and production workflows. OpenRouter lists tencent/hy3-preview as released Apr 22, 2026 with 262,144 context, preview pricing, reasoning controls, and tool-use support. Hugging Face Transformers documents Hy3-preview as a Tencent HunYuan MoE model with a dense-MoE hybrid architecture, 192 routed experts, and one always-active shared expert per MoE layer. SCMP's Apr 23 coverage reports Tencent described HY3-Preview as a new flagship model developed by the HunYuan and Yuanbao teams with 295B parameters. Treat release metadata as high confidence for existence/context and medium confidence for exact parameter count until Tencent publishes a primary technical card.

Model Specs

Released2026-04-22
Parameters295B
Context262k
Architecturedense_moe_hybrid

Provider

OpenRouter
OpenRouter

OpenRouter, Inc.

New York, NY, USA