Grok 4.3

xaixai/grok-4.3

xAI's most advanced flagship model — industry-leading non-hallucination rate, agentic tool calling, and instruction following. 1M token context, text + image input, configurable reasoning (none/low/medium/high), function calling, structured outputs.

上下文长度

最大输出

66K

输入价格每百万 tokens

$1.87每百万 Tokens

输出价格每百万 tokens

$3.76每百万 Tokens

模态能力

文本图像→文本

价格明细

类型	费率
输入	$1.87 每百万 Tokens
输出	$3.76 每百万 Tokens

Selling price = 1.25x upstream cost ($1.25/$2.50/$0.20 cached per xAI public pricing 2026-05-19)

支持参数

temperaturemax_tokenstop_ptoolstool_choiceresponse_formatreasoningstop

API 使用示例

所有新集成都应使用下方示例中的全球端点 api.therouter.ai；旧中国加速端点已下线。

cURL

curl https://api.therouter.ai/v1/chat/completions   -H "Content-Type: application/json"   -H "Authorization: Bearer $THE_ROUTER_API_KEY"   -d '{
    "model": "xai/grok-4.3",
    "messages": [
      {"role": "user", "content": "Summarize the key points from this input."}
    ]
  }'