xAI · 2M context

Grok 4.20 Multi-Agent API

Chat with Grok 4.20 Multi-Agent

Use Grok 4.20 Multi-Agent in the Synaps chat or through one OpenAI-compatible API key. Pay per message from a balance you top up with ETH or USDC. No subscription, no card.

Provider can readReads imagesReads PDFs natively
Input / 1M tokens$1.50list $1.25
Output / 1M tokens$3.00list $2.50
Typical message≈ $0.00381.5K in · 500 out
Context window2Mtokens

Prices include the 20% Synaps fee and update automatically. “List” is what the provider charges.

Call Grok 4.20 Multi-Agent from code

Synaps speaks the OpenAI Chat Completions format. Point any OpenAI SDK at Synaps and set model to x-ai/grok-4.20-multi-agent.

cURL
curl https://www.synaps.chat/api/v1/chat/completions \
  -H "Authorization: Bearer $SYNAPS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "x-ai/grok-4.20-multi-agent",
    "messages": [{ "role": "user", "content": "Hello!" }]
  }'
Python
from openai import OpenAI

client = OpenAI(base_url="https://www.synaps.chat/api/v1", api_key="syn_...")

reply = client.chat.completions.create(
    model="x-ai/grok-4.20-multi-agent",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(reply.choices[0].message.content)

Quickstart · API reference · Create an API key

Privacy

This model's maker runs it and can read requests under its own policy. Synaps doesn't store your prompts.

Questions

How much does Grok 4.20 Multi-Agent cost on Synaps?

$1.50 per million input tokens and $3.00 per million output tokens, including the 20% Synaps fee. A typical chat message costs about $0.0038. You only pay for what you use.

Can I pay for Grok 4.20 Multi-Agent with crypto?

Yes. Top up your Synaps balance with ETH on Robinhood Chain or Base, or USDC on Base, from $1. Each message is deducted from that balance. There is no subscription or card.

Is there a Grok 4.20 Multi-Agent API?

Yes. Create an API key on Synaps and call x-ai/grok-4.20-multi-agent through the OpenAI-compatible endpoint https://www.synaps.chat/api/v1/chat/completions. Any OpenAI SDK works by changing the base URL.

What can Grok 4.20 Multi-Agent do?

It accepts text, image, file and produces text, with a context window of 2M tokens. You can attach photos in the chat.

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Grok 4.20 Multi-Agent API — pay per message with crypto · Synaps