x-ai/grok-4.1-fast
2,000,000 context · $0.20/M input tokens · $0.50/M output tokens
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using...
定价
按量付费
无需预付费用，仅按实际使用量付费
试用模型
API 使用
使用以下代码示例接入我们的 API：
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://llm.wavespeed.ai/v1"
)
response = client.chat.completions.create(
model="x-ai/grok-4.1-fast",
messages=[
{"role": "user", "content": "Hello!"}
]
)
print(response.choices[0].message.content)模型介绍
X-Ai grok-4.1-fast
x-ai grok-4.1-fast
Why It Looks Great
- Large Language Model architecture for efficient processing
- 2000000 context window for long document handling
- Competitive pricing at $0.2/$0.5 per million tokens
Key Features
- Context Window: 2000000 tokens
- Max Output: 30000 tokens
- Vision: Supported
- Function Calling: Supported
Specifications
| Specification | Value |
|---|---|
| Provider | X-Ai |
| Model Type | Large Language Model (LLM) |
| Architecture | N/A |
| Context Window | 2000000 tokens |
| Max Output | 30000 tokens |
| Input | Text |
| Output | Text |
| Vision | Supported |
| Function Calling | Supported |
Pricing
| Token Type | Cost per Million Tokens |
|---|---|
| Input | $0.2 |
| Output | $0.5 |
How to Use
- Write your prompt — describe the task, provide context, and specify desired output format.
- Submit — the model processes your request and returns the response.
API Integration
Base URL: https://llm.wavespeed.ai/v1 API Endpoint: chat/completions Model ID: x-ai/grok-4.1-fast
API Usage
Python SDK
from openai import OpenAI
client = OpenAI(
api_key="YOUR_API_KEY",
base_url="https://llm.wavespeed.ai/v1"
)
response = client.chat.completions.create(
model="x-ai/grok-4.1-fast",
messages=[
{"role": "user", "content": "Hello!"}
]
)
print(response.choices[0].message.content)cURL
curl https://llm.wavespeed.ai/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"model": "x-ai/grok-4.1-fast",
"messages": [{"role": "user", "content": "Hello!"}]
}'Notes
- Model: x-ai/grok-4.1-fast
- Provider: X-Ai
信息
支持功能
API 访问指南
Grok 4.1 Fast API
x-ai/grok-4.1-fast
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window. Reasoning can be enabled/disabled using...
输入
$0.2 /M
输出
$0.5 /M
上下文
2000K
最大输出
30K
Vision
支持
工具调用
支持
在 WaveSpeedAI 试用 Grok 4.1 Fast
通过我们的统一 API 接入 Grok 4.1 Fast — 兼容 OpenAI、无冷启动、透明计费。
关于 Grok 4.1 Fast 的常见问题
Grok 4.1 Fast API 多少钱?+
WaveSpeedAI 定价:输入每百万 token $0.20,输出每百万 token $0.50。Prompt 缓存和批处理单独计费,可显著降低长上下文、高重复任务的实际成本。
Grok 4.1 Fast 的上下文窗口是多大?+
Grok 4.1 Fast 单次请求最多支持 2000K 上下文 token,输出最多 30K token。
Grok 4.1 Fast 是否兼容 OpenAI?+
是的。WaveSpeedAI 通过 https://llm.wavespeed.ai/v1 的 OpenAI 兼容端点提供 Grok 4.1 Fast。把官方 OpenAI SDK 的 base URL 指向该地址,使用 WaveSpeedAI 的 API Key 即可,无需任何其他代码改动。
如何开始使用 Grok 4.1 Fast?+
登录 WaveSpeedAI,在 Access Keys 中生成 API Key,使用上方显示的 model id 向 https://llm.wavespeed.ai/v1/chat/completions 发送请求。新账户可获得免费额度,用于试用 Grok 4.1 Fast。