xAI: Grok 4.5
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Specifications
Technical details and pricing.
Benchmarks
4 benchmark scores from Artificial Analysis.
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Frequently Asked Questions
What is xAI: Grok 4.5 good for?
Use xAI: Grok 4.5 for everyday tasks like writing, summarizing, brainstorming, and getting clear explanations.
How much does xAI: Grok 4.5 cost?
Pricing is based on usage. Current rates are $2.00/1M tokens for input and $6.00/1M tokens for output.
Can I use xAI: Grok 4.5 in LLMBase Chat?
Yes. Use the chat action on this page to open xAI: Grok 4.5 in LLMBase Chat. Access still follows the current plan and model tier.
Does xAI: Grok 4.5 support images or audio?
xAI: Grok 4.5 can understand images.
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Benchmarks and pricing use Artificial Analysis where available. Catalog specs are used as a fallback.