xAI: Grok 4.20 Multi-Agent

x-ai/grok-4.20-multi-agent

CHAT High tier ReasoningMultimodal Proprietary (API-only)

xAI: Grok 4.20 Multi-Agent (x-ai/grok-4.20-multi-agent) is a chat model from openrouter with a 2M-token context window; proprietary (API-only); capabilities reasoning, vision; input image, pdf, text; output text.

2MContext

1.8MMax 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: openrouter. Last verified 2026-07-24.

Specifications

Context window: 2,000,000 tokens (2M)
Max output: 1,800,000 tokens
Weights: Proprietary (API-only)
Input modalities: image pdf text
Output modalities: text
Knowledge cutoff: 2025-09-01
Release date: 2026-03-31

Capabilities

reasoning vision

Provenance

committedmodels-devopenrouter-api

Last verified: 2026-10-30

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