Grok 3 Mini Beta is xAI's language model with a 131K context window. The beta release of xAI's lightweight Grok 3 Mini thinking model, designed for reasoning-heavy tasks that don't require deep domain knowledge.
Specifications
Canonical IDxai-grok-3-mini-beta
TypeLanguage
StatusDeprecated
CreatorxAIxAI
Providers
Context Window131K tokens
Input ModalitiesText
Output ModalitiesText
Reasoning Effortsdefault
Release Date · 2 years ago
Knowledge Cutoff · 2 years ago
Deprecation Date

Capabilities

Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities5/13
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
xAI logo
xAI
xai/grok-3-mini-beta
$1.25$2.50$0.2

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 3 Mini131K$0.250$0.500Deprecated
Grok 3 Mini Beta131K——Current
Grok 3 Mini Fast131K$0.600$4.00Deprecated
Grok 3 Mini Reasoning————Available
Grok 3 Mini Fast High————Available
Grok 3 Mini Fast High Beta————Available
Grok 3 Mini High————Available
Grok 3 Mini High Beta————Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Grok 4.7—524K$2.00$6.00
Grok 4.6—524K$2.00$6.00
Grok 4.5—500K$2.00$6.00
Grok 4.3—1.0M$1.25$2.50
Grok 4.3 Batch—1.0M$1.00$2.00
Grok 4.20—2.0M$1.25$2.50
Grok 4.20 Multi-Agent—2.0M$1.25$2.50
Grok 4.20 Multi-Agent Beta—2.0M$1.25$2.50
Grok 4.20 Non-Reasoning—2.0M$1.25$2.50
Grok 4.20 Multi-Agent—2.0M$1.00$2.00

Model IDs

x-ai/grok-3-mini-beta
xai-grok-3-mini-beta
xai/grok-3-mini-beta