Grok 4.6SpaceXAI
Grok 4.6 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM. It is succeeded by [Grok 4.7](/x-ai/grok-4.7).
Context 500KIn $2.00 · Out $6.00 /1M
Specs
Model ID
x-ai/grok-4.20-multi-agentContext window2M tokens
Max output1.8M tokens
Input price$1.25 / 1M tokens
Output price$2.50 / 1M tokens
Inputs → outputsText, Image, File → Text
Open weightsNo
How to use Grok 4.20 Multi-Agent in your app
The quickest way is through an API gateway such as OpenRouter, which uses the same format as the OpenAI API. Create a key, then send a request with the model ID x-ai/grok-4.20-multi-agent:
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "x-ai/grok-4.20-multi-agent",
"messages": [{"role": "user", "content": "Explain this in simple words..."}]
}'
Prefer no code? Many tools in our AI tools directory run on models like this one.
More models from SpaceXAI
Grok 4.5SpaceXAI
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Context 500KIn $2.00 · Out $6.00 /1M
Grok Build 0.1SpaceXAI
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...
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Grok 4.3SpaceXAI
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
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Grok 4.20SpaceXAI
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
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Questions about Grok 4.20 Multi-Agent
What is 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...
How big is the context window of Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent can read up to 2,000,000 tokens in one request, roughly 1,500,000 words.
How much does Grok 4.20 Multi-Agent cost?
Through OpenRouter, Grok 4.20 Multi-Agent costs about $1.25 / 1M tokens for input and $2.50 / 1M tokens for output. Prices change, so check before large jobs.
Is Grok 4.20 Multi-Agent open source?
Grok 4.20 Multi-Agent does not have downloadable weights. You use it through SpaceXAI or an API provider.
What can Grok 4.20 Multi-Agent take as input?
Grok 4.20 Multi-Agent accepts text, image, file and produces text.
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NewSpecs and prices come from OpenRouter and the provider, and are refreshed daily. Last checked 31 Mar 2026.