Tencent

Hy4 preview

70% under Tencent's list price

Hy4 preview by Tencent through the RelaySwitch API: $0.2502 per million input tokens, $0.75 per million output tokens. Pay by card or crypto (Card, Apple Pay, PayPal, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$0.2502Tencent list: $0.834
Cached input / M$0.2463Tencent list: $0.042
Output / M$0.75Tencent list: $2.50

Specs

Model id
hy4-preview
Developer
Tencent
Context window
1M tokens
Max output
66K tokens
Input
text
Released
2026-08-28

Call it

bash
1curl https://api.relayswitch.io/v1/chat/completions \
2 -H "Authorization: Bearer $RELAYSWITCH_KEY" \
3 -H "Content-Type: application/json" \
4 -d '{
5 "model": "hy4-preview",
6 "messages": [{"role": "user", "content": "Hello"}]
7 }'

Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to hy4-preview. Get a key or read the docs.

FAQs

Hy4 preview: questions

Payment, keys and billing in short.

Open the console

A key in under a minute

Get a key

Or email hello@relayswitch.io

Run Hy4 preview today

Top up by card or crypto and send "hy4-preview".