35% offprompt cache

Hy4 Preview

hy4-preview

Hy4 Preview — 1M token context, up to 65,536 output tokens, text / image input, prompt caching.

Try in playground Get an API key

Input / output per 1M

$0.542/$1.63

official $0.834 / $2.50

Network fee$0.0010

ProviderTencent

ModalityText, Image

Context

Max output

65.5K

Input / 1M

$0.542

Output / 1M

$1.63

Pricing

Input / 1M$0.542$0.834

Output / 1M$1.63$2.50

Network fee$0.0010per request

35% below the official upstream price.

Request

POST /v1/chat/completions

curl https://api.relayrouter.org/v1/chat/completions \
  -H "Authorization: Bearer $RELAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "hy4-preview",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'