Grok 4.20 Multi-Agent
xAI Grok 4.20 Multi-Agent — pricing, 2000k context window, API cost calculator and alternatives.
By xAI
Specs
- Provider
- xAI
- Slug
- x-ai/grok-4-20-multi-agent
- Capabilities
- vision, json_mode
Pricing freshness
- Tier
- standard
- Currency
- USD
- As of
- 2026-05-08 17:08 UTC
Pricing history
Tracking Grok 4.20 Multi-Agent pricing since 2026-05-08. We'll plot the chart here once it changes.
Quickstart — call Grok 4.20 Multi-Agent from your app
curl https://openrouter.ai/api/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-d '{
"model": "x-ai/grok-4-20-multi-agent",
"messages": [{"role": "user", "content": "Hello!"}]
}'Official docs: https://openrouter.ai/docs
# pip install openai
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key=os.environ["OPENROUTER_API_KEY"],
)
resp = client.chat.completions.create(
model="x-ai/grok-4-20-multi-agent",
messages=[{"role": "user", "content": "Hello!"}],
)
print(resp.choices[0].message.content)Official docs: https://openrouter.ai/docs
// npm install openai
import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://openrouter.ai/api/v1",
apiKey: process.env.OPENROUTER_API_KEY,
});
const resp = await client.chat.completions.create({
model: "x-ai/grok-4-20-multi-agent",
messages: [{ role: "user", content: "Hello!" }],
});
console.log(resp.choices[0].message.content);Official docs: https://openrouter.ai/docs
Related models
Similar capabilities, context window, and price tier — drawn from across the catalog so you can compare alternatives in one click.
Frequently asked questions
What is Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is a large language model API from xAI with a 2M-token context window. It costs $2 per 1M input tokens and $6 per 1M output tokens.
How much does Grok 4.20 Multi-Agent cost?
Grok 4.20 Multi-Agent is priced at $2 per 1M input tokens and $6 per 1M output tokens via the xAI API. A 50/50 input/output workload of 1M total tokens costs about $4.
What is the context window of Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent supports up to 2M tokens of context per request — roughly 4000 pages of English text or 250000 lines of code at a typical density.
Does Grok 4.20 Multi-Agent support vision, tool use, or JSON mode?
Grok 4.20 Multi-Agent supports image input (vision) and structured JSON mode. It does not support tool/function calling.
Who makes Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is built and operated by xAI. Pricing, context window, and capabilities on this page are refreshed nightly from xAI's public catalog.
Can I self-host Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is API-only — its weights are not publicly distributed by xAI, so it cannot be self-hosted today.