AI BriefingVercel AI Gateway begins offering Tencent Hy4 Preview model
Key point
Vercel AI Gateway supports the open-source MoE model Hy4 Preview with 770B parameters.
Details
Vercel AI Gateway has officially started supporting Tencent's Hy4 Preview model. Hy4 Preview is an open-source Mixture-of-Experts (MoE) model with 770B total parameters and 49B active parameters per token.
This model provides a 1M token context window and is specialized for long-term coding, document analysis, game development, scientific reasoning, and more. Users can call it by setting the model value to tencent/hy4-preview in the AI SDK.
Usage and Features
- Coding Agent Integration: Can be connected with various coding agents such as Claude Code, Codex, and Cursor, configured via the
vercel ai-gateway coding-agents setupcommand. - Cost Structure: AI Gateway does not charge platform fees for inference, and this applies equally to BYOK (Bring Your Own Key) requests. It provides integrated API features such as usage tracking, retries, and routing rules.
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