Grok 4.3 - Unifically

Grok 4.3 is xAI’s fast, low-cost reasoning model with a 1M context window, strong tool calling, and a reasoning effort of none, low, medium, or high.

Model

xai/grok-4.3


Provider	xAI
Name	Grok 4.3

Supported Endpoints

All three API formats are supported:

Chat Completions — POST /v1/chat/completions
Responses — POST /v1/responses
Messages — POST /v1/messages

Example

curl -X POST https://api.unifically.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
    "model": "xai/grok-4.3",
    "messages": [
      {"role": "user", "content": "Extract the customer name, order number, and issue from this ticket as JSON."}
    ]
  }'

Volume discounts are available for almost all models. Reach out at contact@unifically.com to discuss custom pricing.