Grok 4 Fast (Reasoning)
规格
- 上下文
- 2M
- 最大输出
- —
- 输入价
- $0.2/ 百万 Token
- 输出价
- $0.5/ 百万 Token
- 发布日期
- —
上下文
- 上下文
- 2M
- 最大输入
- —
- 最大输出
- —
价格 · USD / 百万 Token
- 输入
- $0.2
- 输出
- $0.5
- 缓存读取
- $0.05
- 缓存写入
- —
输入输出
- 输入
- 文本图像
- 输出
- 文本
API
- 接口类型
思考
- 支持思考
- 支持
- 思考等级
- —
源信息
- 状态
- 已下线
- 发布日期
- —
- 知识截止
- —
能力
- 已确认
调用方式
1 个 Provider
xaimodel = grok-4-fast-reasoning
chat
POSThttps://api.x.ai/v1/chat/completions
JSON
标准格式
{
"id": "grok-4-fast-reasoning",
"object": "model",
"created": null,
"owned_by": "xai",
"name": "Grok 4 Fast (Reasoning)",
"api": {
"types": [
"chat"
]
},
"limits": {
"context": 2000000,
"input": null,
"output": null
},
"modalities": {
"input": [
"text",
"image"
],
"output": [
"text"
]
},
"reasoning": {
"supported": true,
"efforts": []
},
"pricing": {
"currency": "USD",
"unit": "1M_tokens",
"input": 0.2,
"output": 0.5,
"cache_read": 0.05,
"cache_write": null
},
"features": [
"tools",
"structured_output",
"caching"
],
"info": {
"status": "retired",
"release_date": null,
"knowledge_cutoff": null,
"description": null,
"docs": "https://docs.x.ai/developers/migration/may-15-retirement",
"verified_at": "2026-10-11"
}
}官方来源
2