xAI

Grok 4.5

xAI's model, with a direct, conversational style.

Grok 4.5 from xAI brings a different voice to the lineup — direct and conversational. On vexer it's wrapped in the same interface as the rest, so you can compare its take against Claude or GPT in the same thread.

Strengths

• Direct, conversational answers
• A useful second opinion alongside Claude and GPT
• General-purpose questions and explanations

Best for

• Getting a different perspective on the same question
• Casual, conversational back-and-forth
• General knowledge and explanation

Use grok-4.5 in the API, or pick Grok 4.5 in the chat. Compare it in the model catalog.