Grok 4.20 Multi-Agent

grok-4.20-multi-agent-0309

CHAT High tier ReasoningMultimodal Proprietary (API-only)

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.

1MContext

1MMax output

$1.25$ / 1M in

Pricing

Input: $1.25 / 1M tokens
Output: $2.5 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-10-30.

Specifications

Context window: 1,000,000 tokens (1M)
Max output: 1,000,000 tokens
Weights: Proprietary (API-only)
Input modalities: image pdf text
Output modalities: text
Release date: 2026-03-09

Capabilities

vision reasoning

Provenance

litellmmodels-dev

Last verified: 2026-10-30

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Grok 4.20 (Non-Reasoning)

grok-4.20-0309-non-reasoning

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Grok 4.20 (Reasoning)

grok-4.20-0309-reasoning

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