grok-4.3 | AI Sonar

AvailablexaiChat

grok-4.3

Pricing

Official price	Catalog price	Discount
Input $1.25 / Output $2.50	Input $1.25 / Output $2.50	-

Capabilities

JSON ModePrompt CacheReasoningTool UseVision

Context: 1M
Max output: 131K

Supported operations

Aliases

grok-4.3-latestgrok-latestgrok-4-3x-ai/grok-4.3

API Base

Example request

https://api.aisonar.dev

curl https://api.aisonar.dev/v1/chat/completions \
  -H "Authorization: Bearer $AI_SONAR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.3",
    "messages": [{"role":"user","content":"Summarize this release note"}]
  }'