Model specification · xAI

Grok Build 0.1

x-ai/grok-build-0.1

Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

SpecificationsReported values

Context window: 256K
Maximum output: —
Architecture: text+image+file->text
Tokenizer: Grok
Knowledge cutoff: —
Moderated: No
Input modalities: text image file
Output modalities: text

Full pricingUSD where reported

Price	Standard
Input	$1.00 / M
Output	$2.00 / M

Benchmark indexesReported indexes

Intelligence: 39.8
Coding: 51.5
Agentic: 28
Design Arena Elo: —

Example workload costsStandard pricing only

Workload	Input / output	Cache share	Estimated cost
Quick check	10K / 1K × 1	0%	$0.012
Long analysis	100K / 4K × 1	50%	$0.068
Workday	20K / 2K × 1,000	30%	$19.20

Model	Context	Input / M	Output / M	Intel.
Grok 4.5	500K	$2.00	$6.00	53.8
Grok 4.3	1M	$1.25	$2.50	37.6