Grok 3 Mini Fast High is xAI's language model. A compact, fast-inference variant of Grok 3 Mini tuned for high-quality reasoning at reduced latency.
Specifications
Canonical IDxai-grok-3-mini-fast-high
TypeLanguage
StatusActive
CreatorxAIxAI
Providers
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
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
ProviderStandardBatch
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
Input
$ / 1M
Output
$ / 1M
Cache Read
$ / 1M
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grok-3-mini-fast-high
$1.25$2.50$0.2$0.625$1.25$0.1

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 3 Mini131K$0.250$0.500Deprecated
Grok 3 Mini Beta131K$0.300$0.500Deprecated
Grok 3 Mini Fast131K$0.600$4.00Available
Grok 3 Mini Fast HighCurrent
Grok 3 Mini ReasoningAvailable
Grok 3 Mini Fast High BetaAvailable
Grok 3 Mini HighAvailable
Grok 3 Mini High BetaAvailable

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Grok 4.31.0M$1.25$2.50
Grok 4.202.0M$1.25$2.50
Grok 4.20 Multi-Agent2.0M$1.25$2.50
Grok 4.20 Multi-Agent Beta2.0M$1.25$2.50
Grok 4.20 Non-Reasoning2.0M$1.25$2.50
Grok 4.20 Reasoning2.0M$1.25$2.50
Grok 4.1 Reasoning2.0M$0.200$0.500
Grok 4.1 Fast2.0M$0.200$0.500
Grok 4.1 Fast Non-Reasoning2.0M$0.200$0.500
Grok 4 Fast131K$0.200$0.500

Model IDs

xai-grok-3-mini-fast-high