# Grok 4.20 Multi-Agent

> Grok 4.20 run as a multi-agent ensemble, at the same list price. 2M context, vision, file input, reasoning.

Human version: https://kymaapi.com/models/grok-4.20-multi-agent
Live JSON: `GET https://kymaapi.com/v1/models` (no auth required)

## Facts

- **Model ID**: `grok-4.20-multi-agent` — pass this as `model` in the request body
- **Creator**: xAI
- **Released**: 2026-03-31
- **Context window**: 2M tokens
- **Max output**: 8K tokens per response — a hard ceiling, not a default
- **Price**: $1.688 in / $3.375 out per 1M
- **Capabilities**: vision, reasoning

## Call it

```bash
curl https://kymaapi.com/v1/chat/completions \
  -H "Authorization: Bearer $KYMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "grok-4.20-multi-agent", "messages": [{"role": "user", "content": "Hello"}]}'
```

## See also

- All models: https://kymaapi.com/models.md
- Pricing: https://kymaapi.com/pricing.md
- Other models by xAI: https://kymaapi.com/models?q=xAI