x-ai

xAI: Grok 4.5

x-ai/grok-4.5

Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.

  • Context window: 500,000 tokens
  • Input: text, image, file
  • Output: text
  • Pricing: $2/M input tokens, $6/M output tokens

View on OpenRouter. Model data sourced from OpenRouter.