Grok 4.20 Multi-Agent

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Data updated on September 30, 2026· 217 models

xAI4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows.

Reasoning estimated
Speed estimated
Input
Output
Context
2 M tokens
Max output
1.8 M
Input, $ per 1M tokens
$1.25
Output, $ per 1M tokens
$2.50
Cache read, $ per 1M
$0.200
Batch (input / output)
—
Tool calling
No
Released
03/31/2026
Knowledge cutoff
—
API id
x-ai/grok-4.20-multi-agent

Summary from the data

Grok 4.20 Multi-Agent is a xAI model available by API since 03/31/2026. It costs $1.25 per million input tokens and $2.50 per million output tokens, accepts 2 M tokens of context and generates up to 1.8 M tokens per response. Input: text, image, PDF / file; output: text. It has a reasoning mode. It does not support tool calling. With 10,000 requests a month of 1,500 input and 400 output tokens it would cost about $28.75 a month.

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What would your product cost?

Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.

Grok 4.20 Multi-Agent
$28.75/mo

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Frequently asked questions

How much does Grok 4.20 Multi-Agent cost per million tokens?

Grok 4.20 Multi-Agent costs $1.25 per million input tokens and $2.50 per million output tokens (USD, list price). Cache read: $0.200. Batch tier: not published.

What context window does Grok 4.20 Multi-Agent have?

Grok 4.20 Multi-Agent accepts 2 M tokens of context per request and generates up to 1.8 M tokens per response.

Does Grok 4.20 Multi-Agent accept images, audio or files?

Input: text, image, PDF / file. Output: text.

Does Grok 4.20 Multi-Agent have a reasoning mode and tool calling?

It has a reasoning mode. It does not support tool calling.

When was Grok 4.20 Multi-Agent released and what is its knowledge cutoff?

Grok 4.20 Multi-Agent has been available by API since 03/31/2026. Knowledge cutoff: not published.

What would an app built on Grok 4.20 Multi-Agent cost?

With 10,000 requests a month of 1,500 input and 400 output tokens, Grok 4.20 Multi-Agent would cost about $28.75 a month at list price, without cache or batch discounts.

What is the API id of Grok 4.20 Multi-Agent?

The id is x-ai/grok-4.20-multi-agent. It is the name passed in the model parameter of the API (or on OpenRouter).

Where do the prices come from and how often are they updated?

From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.

What does price per million tokens mean?

It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.

Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.