Grok 4.1 Fast (Non-Reasoning) API
About
Integrate multimodal vision capabilities using Grok 4.1 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 Grok 4.1 Fast (Non-Reasoning) via the Perplexity Agent API with up to 30K output tokens.
Capabilities
Input Modalities
textimage
Output Modalities
text
Reasoning
No
Limits
Context Window
2.0M
Tokens
Input Limit
2.0M
Tokens
Max Output
30K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.20
Output
$0.50
Caching (per 1M tokens)
Read
$0.05
Frequently Asked Questions
Grok 4.1 Fast (Non-Reasoning) by Perplexity Agent 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
xai/grok-4-1-fast-non-reasoning
Provider
Perplexity AgentFamily
grok
Release Date
Nov 19, 2025
Knowledge Cutoff
Jul 1, 2025
API Integration
NPM Package
@ai-sdk/openai
Environment Variables
PERPLEXITY_API_KEY
API Base URL
https://api.perplexity.ai/v1