xAI

Grok 4.20 Multi Agent 0309

25% under xAI's list price

Grok 4.20 Multi Agent 0309 by xAI through the RelaySwitch API: $0.9375 per million input tokens, $1.875 per million output tokens. Pay by card or crypto (Card, Apple Pay, PayPal, USDT, USDC, BTC, ETH, SOL). No KYC.

Input / M$0.9375xAI list: $1.25
Cached input / M$0.15xAI list: $0.20
Output / M$1.875xAI list: $2.50

Specs

Model id
grok-4.20-multi-agent-0309
Developer
xAI
Context window
1M tokens
Max output
not published
Input
text, image
Released
2026-03-10

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": "grok-4.20-multi-agent-0309",
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 grok-4.20-multi-agent-0309. Get a key or read the docs.

FAQs

Grok 4.20 Multi Agent 0309: 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 Grok 4.20 Multi Agent 0309 today

Top up by card or crypto and send "grok-4.20-multi-agent-0309".