xAI

Grok-4 Fast Reasoning

xAI grok-4-fast-reasoning
Model Information
Slug grok-4-fast-reasoning
LLM.txt View
Release Date August 28, 2025
Organization
Model Description
xAI
Available at 16 Providers
Provider Type Model Name Original Model Input ($/1M) Output ($/1M) Free Actions
Atlas Cloud
Atlas Cloud
Grok 4 Fast Reasoning
xai/grok-4-fast-reasoning $0.16 $0.40
Jiekou.AI
Jiekou.AI
grok-4-fast-reasoning
grok-4-fast-reasoning $0.18 $0.45
AIHubMix
AIHubMix
grok-4-fast-reasoning
grok-4-fast-reasoning $0.20 $0.50
Helicone
Helicone
xAI: Grok 4 Fast Reasoning
grok-4-fast-reasoning $0.20 $0.50
Azure OpenAI
Azure OpenAI
Grok 4 Fast (Reasoning)
grok-4-fast-reasoning $0.20 $0.50
Azure AI Services
Azure AI Services
Grok 4 Fast (Reasoning)
grok-4-fast-reasoning $0.20 $0.50
Poe
Poe
Grok-4-Fast-Reasoning
grok-4-fast-reasoning $0.20 $0.50
Vercel AI Gateway
Vercel AI Gateway
Grok 4 Fast Reasoning
grok-4-fast-reasoning $0.20 $0.50
Glama
Glama
grok-4-fast-reasoning
grok-4-fast-reasoning $0.20 $0.50
302.AI
302.AI
grok-4-fast-reasoning
grok-4-fast-reasoning $0.20 $0.50
AIMLAPI
AIMLAPI
Grok 4 Fast Reasoning
x-ai/grok-4-fast-reasoning $0.52 $1.30
Yupp
Yupp
Chat
Grok 4 Fast Reasoning Online (Azure AI)
grok-4-fast-reasoning - -
Arena AI
Arena AI
Chat
grok-4-fast-reasoning - -
Qiniu
Qiniu
X-Ai/Grok-4-Fast-Reasoning
x-ai/grok-4-fast-reasoning - -
ApiYI
ApiYI
Chat Code
grok-4-fast-reasoning
grok-4-fast-reasoning - -
LLM Stats
LLM Stats
Chat
Grok-4 Fast Reasoning
grok-4-fast-reasoning - -