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Prices

grok-4.3 (standard)

as of

xAI lists grok-4.3 (standard) at $1.25 per million input tokens and $2.50 per million output tokens. That price has held since at least May 10, 2026. xAI · model:xai:grok-4.3:standard · 1M context

$ per million tokens

3 observations on record. A price holds until the next observation, so the line steps.

input output cached input
$0.00$0.625$1.25$1.875$2.50May 10 01:55ZAug 10 23:00ZSep 8 06:00Zinputoutputcached input

Point by point

One observation per row: what the page said, when it was read, and the source URL.

Every observation of this SKU with prices and provenance
Observed Event In $/Mtok Cached in Out $/Mtok What changed Source
Internet Archive$1.25—$2.50—web.archive.org
Internet Archive$1.25$0.20$2.50cached_input ∅ → 0.2; context_window ∅ → 1M; notes one price printed per model (the base, short-prompt price) → ∅web.archive.org
current$1.25$0.20$2.50—docs.x.ai
The 2 “Internet Archive” points come from the Internet Archive’s copy of the lab’s own pricing page, from before we started checking it. Each is the first copy we read that showed that price. We read about one copy a week, so a change can be up to a week earlier than shown. The source link opens that copy. A “first seen” point is the price before our first recorded change. It held from our first check of the page, and any move in between would show up as its own row. A “current” point is the price as of the latest check that changed it.

Data from the last 90 days is CC BY 4.0. Older data is CC BY-NC 4.0, except what we published before 2026-11-04, which stays CC BY 4.0. How you can reuse it.