Atlas / Models / X Ai / SpaceXAI: Grok 4.20 Multi-Agent

SpaceXAI: Grok 4.20 Multi-Agent✓ Catalog verified

x-ai/grok-4.20-multi-agent

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

Input price
$1.25 /1M
Output price
$2.50 /1M
Context
2M
Modalities
textimagefile
Released
Mar 31, 2026
Tool calling
Atlas signal
91/100
01

Overview

Grok 4.20 Multi-Agent is a variant of SpaceXAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

Access: available through the official X Ai API. Context window: 2M.

Pricing and metadata from the ModelsAtlas catalog.Last refreshed Aug 6, 2026
02

Specifications

API identifierx-ai/grok-4.20-multi-agent
ProviderX Ai
Model typeMultimodal LLM
Context window2M catalog
Input modalitiestext · image · file
Output modalitiestext
ReleasedMar 31, 2026
TokenizerGrok
ModeratedNo
Architecture modalitytext+image+file->text
Supported parameters
include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstemperaturetop_logprobstop_p
Source: provider documentation + catalog feedMethodology →

API defaults

Default parameters
{
  "top_k": null,
  "top_p": null,
  "temperature": null,
  "presence_penalty": null,
  "frequency_penalty": null,
  "repetition_penalty": null
}
03

Pricing

Live pricing components for x-ai/grok-4.20-multi-agent as published in the catalog.

$1.25
Input /1M
$2.50
Output /1M
Per request
Per image
Pricing componentRaw unit priceNormalizedUnit
Prompt tokens$0.00000125$1.25 / 1MPer input token
Completion tokens$0.0000025$2.50 / 1MPer output token
Request feeN/AN/APer request
Image feeN/AN/APer image unit
Web search fee$0.005$0.005000Per search request
Source: catalog pricing feedCompare all pricing →Cheapest models →
04

Cost calculator

Estimate monthly spend from your own token volumes.

Scale / Volume

Estimated Total Cost

$1.13Calculated from current list pricing in the ModelsAtlas catalog.
05

Capabilities

CapabilityStatusWhat it means
Visual Understanding✓ SupportedImage and document analysis support
Audio ProcessingNot advertisedSpeech and voice aligned flows
Tool CallingNot advertisedSupports tools / function calling
Self-HostingNot advertisedDeploy outside managed APIs
Derived from catalog capability tags and supported parameters
06

Capability signals

Directional signals derived from model metadata and capability tags — not official benchmark submissions.

SpaceXAI: Grok 4.20 Multi-Agent
MMLU Signal (Reasoning)
95signal
Coding Signal (HumanEval proxy)
86signal
Math Signal (GSM8K proxy)
87signal
Science Signal (GPQA proxy)
95signal
Estimated from metadata — not an official benchmark runAll benchmarks →Methodology →
07

Quick start

Call SpaceXAI: Grok 4.20 Multi-Agent through an OpenAI-compatible client.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="x-ai/grok-4.20-multi-agent",
    messages=[{"role": "user", "content": "Explain quantum physics."}]
)

print(response.choices[0].message.content)
08

Alternatives

Closest models by context window from a different provider.

09

Sources & attribution

Pricing and metadata are maintained in the ModelsAtlas catalog.

Capability bars use metadata tags — directional estimates onlyHow we source and verify data →
10

Frequently asked questions

How much does SpaceXAI: Grok 4.20 Multi-Agent cost?

$1.25 per 1M input tokens and $2.50 per 1M output tokens on the official X Ai API.

What is the context window of SpaceXAI: Grok 4.20 Multi-Agent?

SpaceXAI: Grok 4.20 Multi-Agent supports up to 2M tokens of context.

Does SpaceXAI: Grok 4.20 Multi-Agent support tool / function calling?

SpaceXAI: Grok 4.20 Multi-Agent does not advertise first-class tool/function calling. Check vendor docs for the latest capabilities.

How do I access SpaceXAI: Grok 4.20 Multi-Agent?

Use the official X Ai API with the model id `x-ai/grok-4.20-multi-agent`. See the Quick start section above for code examples.