35% offprompt cache

GLM 5.3

glm-5.3

GLM 5.3 — 1M token context, up to 128,000 output tokens, prompt caching.

Try in playground Get an API key

Input / output per 1M

$0.91/$2.86

official $1.40 / $4.40

Network fee$0.0010

ProviderZ.ai

ModalityText

Context

Max output

128K

Input / 1M

$0.91

Output / 1M

$2.86

Pricing

Input / 1M$0.91$1.40

Output / 1M$2.86$4.40

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": "glm-5.3",
    "messages": [{ "role": "user", "content": "Hello" }]
  }'