Grok 4.3

Coming soon

grok-4.3

Context 1MReleased May 29, 2026Text chatVisionReasoningFunction callingStructured output

Pricing

Input · per 1M tokens	$1.25
Output · per 1M tokens	$2.50

Call it

Swap <YOUR_TTTTT_API_KEY> and the snippet runs as-is.

1234567curl https://api.ttttt.ai/v1/chat/completions \  -H "Authorization: Bearer $TTTTT_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "grok-4.3",    "messages": [{ "role": "user", "content": "Hello!" }]  }'

More from xAI

Grok Build 0.1
$1.00/M/$2.00/M

This model is listed publicly but no enabled channel routes to it yet — calls will succeed once a channel is wired up.