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grok-code-fast-1

On docs.x.ai the slug grok-code-fast-1 now resolves as an alias to grok-build-0.1, "SpaceXAI's intelligent coding model for agentic software, engineering, and workflow tasks"; the retirement notice retired grok-code-fast-1 on 2026-05-15 with grok-build-0.1 as replacement.

text + image → text · made by xAI

$0.2$1.5per Mtok in / out
Microsoft Azure AI · 3 sellers

Sold by 3 ways

SellerLaneRate
Microsoft Azure AI cloudstandard$0.2per Mtok in$1.5per Mtok outraw.githubusercontent.com · read 2026-09-16
Oracle Cloud Infrastructure cloudstandard$5per Mtok in$25per Mtok outraw.githubusercontent.com · read 2026-09-16
Requesty aggregatorxai$0.2per Mtok in$1.5per Mtok out$0.02per Mtok cachedrouter.requesty.ai · read 2026-08-28

Measured 5 standings

PlaceBoardMetricScore
85thof 112Ale bench — Epoch AIPerformance587.73
120thof 121Webdev arena — Epoch AIArena Score1164.51
126thof 128LMArena · WebDevScore (Elo)1165
140thof 170Weirdml — Epoch AIAccuracy35.06
152ndof 202Terminalbench — Epoch AIAccuracy mean0.258

About

grok-code-fast-1 — a text model from xAI, sold by 3 companies from $0.2 in and $1.5 out per million tokens, placed 152nd of 202 on Terminalbench — Epoch AI.

It takes text and images and returns text, with a context window of 256,000 tokens. It was published in August 2024. Its sellers say it can reason step by step and call a tool. The catalogue files it under code. Three companies sell it. The cheapest is $0.2 in and $1.5 out per million tokens at Microsoft Azure AI. Beside the standard rate there is a separately routed lane. It has been measured on 5 boards, and stands best at 152nd of 202 on Terminalbench — Epoch AI.

Every current figure

Maker
xAI
Register
model
Takes
text + image
Returns
text
Context
256,000 tokens
Published
August 2024
Licence
not read
Sellers
3
Maker's own price
not read
Price
$0.2 in and $1.5 out per million tokens — Microsoft Azure AI
Boards
5
Best place
152nd of 202 — Terminalbench — Epoch AI

Known as 1 name

xai/grok-code-fast-1