Grok Build 0.1 is xAI's language model with a 256K context window and up to 230K output tokens, available from 4 providers, starting at $1.00 / 1M input and $2.00 / 1M output. A fast coding-focused LLM from xAI optimized for agentic software engineering workflows, supporting vision and tool-use with implicit caching.
Specifications
Canonical IDxai-grok-0-1-build
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Context Window256K tokens
Max Output230K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 5 months ago

Capabilities

Input3/5
Text✓
Image✓
Audio·
Video·
PDF✓
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities6/13
Reasoning✓
Adaptive Reasoning·
Function Calling✓
Parallel Function Calling·
Structured Outputs✓
Native JSON Schema✓
Web Search✓
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching✓
Assistant Prefill·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandardFastBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Aihubmix
aihubmix/grok-build-0.1
$1.00$2.00$0.2N/A——————
OpenRouter logo
OpenRouter
x-ai/grok-build-0.1
$1.00$2.00$0.2$0.0050——————
Vercel AI Gateway logo
Vercel AI Gateway
spacexai/grok-build-0.1
$1.00$2.00$0.2N/A$2.00$4.00$0.4———
xAI logo
xAI
grok-build-0.1
$1.00$2.00$0.2N/A———$0.5$1.00$0.1

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.7524K$2.00$6.00Available
Grok 4.6524K$2.00$6.00Available
Grok 4.5500K$2.00$6.00Available
Grok 4.31.0M$1.25$2.50Available
Grok 4.3 Batch1.0M$1.00$2.00Available
Grok 4.202.0M$1.25$2.50Available
Grok 4.20 Multi-Agent2.0M$1.25$2.50Available
Grok 4.20 Multi-Agent Beta2.0M$1.25$2.50Available
Grok 4.20 Non-Reasoning2.0M$1.25$2.50Deprecating
Grok 4.20 Multi-Agent2.0M$1.00$2.00Available
Grok Build 0.1256K$1.00$2.00Current

Model IDs

aihubmix/grok-build-0.1
grok-build-0.1
openrouter/x-ai/grok-build-0.1
spacexai/grok-build-0.1
x-ai/grok-build-0.1
xai-grok-0-1-build
xai/grok-build-0.1