Grok is xAI's language model with a 500K context window and up to 450K output tokens, starting at $1.60 / 1M input and $4.80 / 1M output. xAI's flagship conversational LLM designed for real-time knowledge access and witty, direct responses with a focus on truthfulness.
Specifications
Canonical IDxai-grok
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Context Window500K tokens
Max Output450K tokens
Input ModalitiesImagePDFText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 3 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
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Web Search
$ / request
OpenRouter logo
OpenRouter
~x-ai/grok-latest
$1.60$4.80$0.4$0.0050

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 4.7500K$1.20$3.60Available
Grok 4.6524K$2.00$6.00Available
Grok 4.5500K$2.00$6.00Available
Grok 4.31.0M$1.25$2.50Available
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$2.50Available
Grok 4.20 Reasoning2.0M$1.25$2.50Available
Grok 4.1 Reasoning2.0M$0.200$0.500Deprecated
Grok500K$1.60$4.80Current

Model IDs

~x-ai/grok-latest
grok-imagine-image-quality
openrouter/~x-ai/grok-latest
xai-grok