# Grok 4.20 Multi-Agent

`grok-4.20-multi-agent-0309` — **xai** · CHAT

> Grok 4.20 Multi-Agent (grok-4.20-multi-agent-0309) is a chat model from xai with a 1M-token context window; proprietary (API-only); capabilities vision, reasoning; input image, pdf, text; output text.

| Field | Value |
| --- | --- |
| Vendor | xai |
| Kind | CHAT |
| Context window | 1,000,000 tokens |
| Max output tokens | 1,000,000 tokens |
| Indicative price (US list) | $1.25 in / $2.5 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | image, pdf, text |
| Output modalities | text |
| Capabilities | vision, reasoning |
| Weights | Proprietary (API-only) |
| Release date | 2026-03-09 |
| Sources | litellm, models-dev |
| Last verified | 2026-10-30 |

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