← All models
SpaceXAI · Language model
Grok 4.20 Multi-Agent
x-ai/grok-4.20-multi-agent- Language
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...
Specifications
- Context window
- 2,000,000 tokens
- Max output
- 1,800,000 tokens
- Input
- text, image, file
- Output
- text
- Reasoning effort
- xhigh, high, medium, low (always on)
- Tokenizer
- Grok
- Knowledge cutoff
- 2025-09-01
Supported parameters
Accepted by the model and forwarded as-is by the gateway.
- logprobs
- max_tokens
- reasoning
- reasoning_effort
- response_format
- seed
- structured_outputs
- temperature
- top_logprobs
- top_p
Use it
POST /api/v1/chat/completions · MCP chat · full reference
curl https://omnirail.org/api/v1/chat/completions \
-H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
-d '{"model":"x-ai/grok-4.20-multi-agent","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'