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Hy4 preview — Free AI Chat on Rewind.ai
Chat with Hy4 preview for free — no signup, no credit card. Tencent's Hy4 preview runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.
What is Hy4 preview?
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.
How does Hy4 preview work?
Type your message in the box above and Hy4 preview replies instantly — no setup required. Your chat history is saved locally in your browser; sign up free to sync it across devices and get an extra 10,000 tokens. You can switch between Hy4 preview and other models at any time from the picker at the top.
Is Hy4 preview free?
Hy4 preview is pay-as-you-go at $0.83/M input tokens, but you can use it without paying: every visitor gets 2,500 free tokens a day with no sign up, and a free account raises that to 5,000.