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Grok 4.20 Multi-Agent

Multiple agents collaborate in parallel to perform deep research tasks.

text + image + file → text · made by xAI

$1.25$2.5per Mtok in / out
xAI · 6 sellers

Sold by 10 ways

SellerLaneRate
xAI apibatch$1per Mtok in$2per Mtok outdocs.x.ai · read 2026-08-25
xAI apistandard$1.25per Mtok in$2.5per Mtok out$0.2per Mtok cacheddocs.x.ai · read 2026-08-25
xAI apilong-context$2.5per Mtok in$5per Mtok out$0.4per Mtok cacheddocs.x.ai · read 2026-08-25
Oracle Cloud Infrastructure cloudstandard$3per Mtok in$15per Mtok outraw.githubusercontent.com · read 2026-09-16
OpenRouter 3 ways$1.25per Mtok in$2.5per Mtok out$0.2per Mtok cached
OpenRouter aggregatorstandard$1.25per Mtok in$2.5per Mtok out$0.2per Mtok cachedopenrouter.ai · read 2026-08-24
OpenRouter aggregatorxai/priority$2.5per Mtok in$5per Mtok out$0.4per Mtok cachedopenrouter.ai · read 2026-08-25
OpenRouter aggregatorxai/zdr/priority$2.5per Mtok in$5per Mtok out$0.4per Mtok cachedopenrouter.ai · read 2026-08-25
Vercel AI Gateway aggregatorstandard$1.25per Mtok in$2.5per Mtok out$0.2per Mtok cachedai-gateway.vercel.sh · read 2026-08-25
Venice AI aggregatorstandard$1.42per Mtok in$2.83per Mtok out$0.23per Mtok cachedmodels.dev · read 2026-09-16
ElectronHub aggregatorstandard$4per Mtok in$8per Mtok outapi.electronhub.ai · read 2026-09-16

Measured 3 standings

PlaceBoardMetricScore
13thof 34LMArena · SearchScore (Elo)1204
40thof 402LMArena · TextScore (Elo)1470
44thof 152LMArena · VisionScore (Elo)1251

About

Grok 4.20 Multi-Agent — a text model from xAI, sold by 6 companies from $1.25 in and $2.5 out per million tokens, placed 40th of 402 on LMArena · Text.

It takes text, images and files and returns text, with a context window of 2,000,000 tokens. It was published in March 2026, trained on material up to September 2025. Its sellers say it can reason step by step. The catalogue files it under search. Six companies sell it. The cheapest is $1.25 in and $2.5 out per million tokens at OpenRouter. Beside the standard rate there are faster, batch and separately routed lanes. It has been measured on 3 boards, and stands best at 40th of 402 on LMArena · Text.

Every current figure

Maker
xAI
Register
model
Takes
text + image + file
Returns
text
Context
2,000,000 tokens
Published
March 2026
Knowledge to
September 2025
Licence
not read
Sellers
6
Price
$1.25 in and $2.5 out per million tokens — OpenRouter
Boards
3
Best place
40th of 402 — LMArena · Text

Known as 6 names

grok-4.20-multi-agent-beta-0309x-ai/grok-4.20-multi-agentspacexai/grok-4.20-multi-agentgrok-4.20-multi-agentgrok-4.20-multi-agent-0309grok-4.20-multi-agent-latest