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Text & reasoningLive
SpaceXAIGrok 4.20 Multi-Agent Beta
A specialist Grok model that sends several AI agents to investigate a difficult question in parallel, then combines their work into one researched answer.
Plain-English overview
What Grok 4.20 Multi-Agent Beta actually is
Grok 4.20 Multi-Agent is built for deep research rather than quick chat. A lead agent breaks the question into parts while other agents search, analyze, and cross-check information before the lead produces the final response.
It can work with text and images, and developers can add SpaceXAI's web, X, code, and collection-search tools. The one-million-token context is generous, but multi-agent work can take longer and use more tools than a normal model call.
Good fit for
- Deep research with several lines of inquiry
- Source gathering and cross-checking
- Complex questions that benefit from parallel analysis
Category comparison
The facts that matter for text models
These are provider-published specifications, not Cody benchmark scores. Follow the linked sources for current limits and endpoint-specific exceptions.
- Context window
- 1,000,000 tokensMaximum combined prompt and working context documented by the provider.
- Maximum output
- Not publishedProvider-published response limit, where available.
- Knowledge cutoff
- Not publishedLatest reliable knowledge date explicitly published by the model provider. Search and connected tools can retrieve newer information but do not change the model's built-in cutoff.
- Input price
- $1.25 / 1MCurrent standard list price per million input tokens unless noted.
- Output price
- $2.50 / 1MCurrent standard list price per million output tokens unless noted.
- Inputs
- Text, imageMedia types accepted by the listed model endpoint.
- Tools & agents
- 4–16 agents; functions, web/X, code, collectionsSelected native tools and agent-building capabilities, not an exhaustive list.
Pricing & comparisons
Estimate your cost
Set your usage. Your estimate updates as you type.
Example: 6,000 input tokens for 10 pages, plus a 500-token summary. Page lengths vary; adjust the numbers below.
One run sends your input to the model once and receives an answer. Tokens are pieces of text: input is what you send, output is the answer you receive.
Advanced options
Grok 4.20 Multi-Agent Beta
SpaceXAI
Estimated total (USD)
For the usage above · USD · API pricing, not a subscription
How this estimate works
Estimates exclude taxes, tools, cache storage/writes, free allowances and custom discounts. Image estimates cover output only, not prompt or reference-image charges. Quality modes differ by model. Unlisted settings are not treated as free.
API and provider access
Where to get Grok 4.20 Multi-Agent Beta
Availability
Regions and access stage
Available in beta through the SpaceXAI API for multi-agent research and reasoning.
The current model page lists us-east-1 and us-west-2. Beta interfaces and aliases can change.
Check live availabilityData and training
The route matters.
SpaceXAI says API inputs and outputs are not used for training without explicit permission. Requests are encrypted and retained for 30 days by default; team-level zero data retention is available with feature tradeoffs.
This is a concise reading of the cited provider material, not legal advice. A third-party gateway can have different storage, routing, training, and residency terms from the model maker's direct API.
Read the provider policyFrequently asked questions
Grok 4.20 Multi-Agent Beta FAQ
What is Grok 4.20 Multi-Agent Beta?
A specialist Grok model that sends several AI agents to investigate a difficult question in parallel, then combines their work into one researched answer. Grok 4.20 Multi-Agent is built for deep research rather than quick chat. A lead agent breaks the question into parts while other agents search, analyze, and cross-check information before the lead produces the final response.
When was Grok 4.20 Multi-Agent Beta released?
Grok 4.20 Multi-Agent Beta was released on March 10, 2026 according to the cited provider materials.
Where can I access Grok 4.20 Multi-Agent Beta?
Available in beta through the SpaceXAI API for multi-agent research and reasoning. The access routes listed in this guide are SpaceXAI.
How much does Grok 4.20 Multi-Agent Beta cost?
$1.25 input · $2.50 output / 1M tokens. Cached input is $0.20 per million tokens. Requests at or above 200K prompt tokens use higher rates, and built-in tools add separate usage charges.
Where is Grok 4.20 Multi-Agent Beta available?
Available in beta through the SpaceXAI API for multi-agent research and reasoning. The current model page lists us-east-1 and us-west-2. Beta interfaces and aliases can change.
Is my Grok 4.20 Multi-Agent Beta API data used for training?
SpaceXAI says API inputs and outputs are not used for training without explicit permission. Requests are encrypted and retained for 30 days by default; team-level zero data retention is available with feature tradeoffs. The policy belongs to the provider route and account terms, so verify it again before production use.
Price comparison
One price per model, using the same input/output mix. We weight each API rate by its share of one million total tokens and use the lowest matching reviewed route. This is a comparison rate, not a cost per task or a quality score. Tokenizers, caching, reasoning and long context can change your actual bill.
75% input + 25% output · no cache discounts
- GPT-6 Luna$0.20
OpenAI
- Mistral Small 4$0.2625
Mistral AI
- GPT-5.6 Luna$0.45
OpenAI
- Gemini 3.8 Flash$1.50
Google
- Claude Haiku 4.5$2.00
Anthropic
- GPT-6 Sol$4.00
OpenAI
- Claude Sonnet 5$4.00
Anthropic
- GPT-5.6 Terra$4.50
OpenAI
- Daybreak Blue$8.00
OpenAI
- Claude Opus 5.5$8.00
Anthropic
- GPT-5.6 Sol$8.00
OpenAI
- Claude Opus 5$10.00
Anthropic
- Claude Fable 5$20.00
Anthropic
- GPT-6 Astra$20.00
OpenAI
- Claude Fable 5.1$20.00
Anthropic
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