xAI Grok 4 Fast Non-Reasoning API
About
Integrate multimodal vision capabilities using xAI Grok 4 Fast Non-Reasoning, designed to process both text and images seamlessly. This model delivers cost-effective pricing at $0.20/1M input and $0.50/1M output tokens, native tool calling support. Access xAI Grok 4 Fast Non-Reasoning via the Helicone API with up to 2.0M output tokens.
Capabilities
Input Modalities
textimageaudio
Output Modalities
text
Limits
Context Window
2.0M
Tokens
Input Limit
2.0M
Tokens
Max Output
2.0M
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.20
Output
$0.50
Caching (per 1M tokens)
Read
$0.05
Frequently Asked Questions
xAI Grok 4 Fast Non-Reasoning by Helicone costs $0.20 per 1M input tokens and $0.50 per 1M output tokens. Cached reads cost $0.05 per 1M tokens.
Model Details
ID
grok-4-fast-non-reasoning
Provider
HeliconeFamily
grok
Release Date
Sep 19, 2025
Knowledge Cutoff
Sep 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
HELICONE_API_KEY
API Base URL
https://ai-gateway.helicone.ai/v1