Cracked AI Engineering

Grok 4

FastRouter

FastRouter's Grok 4 AI model is a powerhouse for developers seeking advanced reasoning capabilities and large context windows of 256,000 tokens. With the ability to handle text input, function calling, and complex reasoning tasks, this model is ideal for tackling a wide range of AI projects. Priced at $3/M input and $15/M output tokens, Grok 4 offers cutting-edge technology with a training data cutoff date of 2025-07.

Key Specifications

Context Window

256K tokens

Max Output Tokens

64K tokens

Input Pricing

$3.00

per million tokens

Output Pricing

$15.00

per million tokens

Capabilities

  • Text Generation
  • Function Calling
  • Advanced Reasoning

Additional Details

Provider
FastRouter
Release Date
July 9, 2025
Advanced Reasoning
Supported
Supported Input Types
text

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