GLM 5.3 Prime API
GLM 5.3 Prime by Z.ai through the RelaySwitch API: $0.2824 per million input tokens, $0.8874 per million output tokens. Pay by card or crypto (Card, USDT, USDC, BTC, ETH, SOL). No KYC.
Specs
- Model id
glm-5.3-prime- Developer
- Z.ai
- Context window
- 1M tokens
- Max output
- not published
- Input
- text
Call it
curl https://api.relayswitch.io/v1/chat/completions \ -H "Authorization: Bearer $RELAYSWITCH_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "glm-5.3-prime", "messages": [{"role": "user", "content": "Hello"}] }'Any OpenAI SDK works: set the base URL to https://api.relayswitch.io/v1 and the model to glm-5.3-prime. Get a key or read the docs.
GLM 5.3 Prime API key and pricing
One key covers GLM 5.3 Prime and every other model in the catalog. Open the console with an email address, top up from $10 by card or in USDT, USDC, BTC, ETH, SOL, create a key, and send glm-5.3-prime as the model. No identity check, no subscription; the balance moves only when you call.
Costs at the live rates above; input and output billed separately, per token, from the prepaid balance.
GLM 5.3 Prime in JanitorAI, SillyTavern, Chub and Risu
One 2K-in / 300-out turn on GLM 5.3 Prime costs $0.00083 at today's rate; a long chat resends its history, so the price grows with the context setting. The model field takes glm-5.3-prime in every app; only the URL field differs.
JanitorAI
JanitorAI guideProxy URL https://api.relayswitch.io/v1/chat/completionsAPI key sk-relay-...Model glm-5.3-primeSillyTavern
SillyTavern guideCustom Endpoint (Base URL) https://api.relayswitch.io/v1API key sk-relay-...Model glm-5.3-primeChub
Chub guideOpenAI Reverse Proxy URL https://api.relayswitch.io/v1API key sk-relay-...Model glm-5.3-primeRisu
Risu guideURL https://api.relayswitch.io/v1API key sk-relay-...Model glm-5.3-primeThe same price on every model, ranked by use: best models for JanitorAI, SillyTavern and Chub.
No app? Chat with GLM 5.3 Prime in the browser at Unrestrictable, with characters, images and video and no key to paste.
GLM 5.3 Prime: questions
Payment, keys and billing in short.
Run GLM 5.3 Prime today
Top up by card or crypto and send "glm-5.3-prime".