SpaceXAI: Grok 4.5
Grok 4.5 is an xAI model listed on OpenRouter. It takes text, image and file input and returns text, with a 500,000-token context window.
SpaceXAI: Grok 4.5 is a multimodal AI model from xAI. It costs $2.00 per million input tokens and $6.00 per million output tokens (blended $3.20/M), with a 500,000-token context window.
RatesUSD per million tokens. Blend is 70% input, 30% output, our calculation.
From OpenRouter's listing, read on 11 Nov 2026.
Benchmarks
More from xAI
See all 8 →Frequently asked questions
How much does SpaceXAI: Grok 4.5 cost?
SpaceXAI: Grok 4.5 costs $2.00 per million input tokens and $6.00 per million output tokens, for a blended reference rate of $3.20 per million tokens.
What is SpaceXAI: Grok 4.5's context window?
SpaceXAI: Grok 4.5 supports up to 500,000 tokens of context in a single request.
What is SpaceXAI: Grok 4.5 best for?
Grok 4.5 is an xAI model listed on OpenRouter. It takes text, image and file input and returns text, with a 500,000-token context window.
Who makes SpaceXAI: Grok 4.5?
SpaceXAI: Grok 4.5 is developed and served by xAI.