Grok 3 Mini Reasoning is an AI model from xAI. A reasoning-focused variant of xAI's lightweight Grok 3 Mini model, with explicit chain-of-thought capabilities for logic and analytical tasks.
Specifications
Canonical IDxai-grok-3-mini-reasoning
StatusActive
CreatorxAIxAI
Benchmarks
Intelligence Index
32.1
#122
Coding Index
25.2
#140
Math Index
84.7
#49
MMLU-Pro
0.8
#60
GPQA
0.8
#101
HLE
0.1
#121
LiveCodeBench
0.7
#64
AIME
0.9
#4
IFBench
0.5
#164
Time to First Token
0.51s
#246
SciCode
0.4
#77
MATH-500
1.0
#3
AIME 2025
0.8
#49
LCR
0.5
#136
TerminalBench Hard
0.2
#152
TAU2
0.9
#51
Output TPS
40.7
#230

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
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·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Grok 3 Mini131K$0.250$0.500Deprecated
Grok 3 Mini Beta131K$1.25$2.50Deprecated
Grok 3 Mini Fast131K$0.600$2.50Available
Grok 3 Mini ReasoningCurrent
Grok 3 Mini Fast High$1.25$2.50Available
Grok 3 Mini Fast High Beta$1.25$2.50Available
Grok 3 Mini High$1.25$2.50Available
Grok 3 Mini High Beta$1.25$2.50Available

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 Fast2.0M$1.25$2.50
Grok 4 Fast131K$0.200$0.500
Grok 4 Fast Non-Reasoning2.0M$0.200$0.500
Grok 4256K$1.25$2.50

Model IDs