Grok 4.5
Grok 4.5 costs $2 per 1M input tokens and $6 per 1M output tokens on LLM API, with a 500K-token context window.
Pricing
Served by xAI, the only provider.
| Input | $2 | per 1M tokens |
|---|---|---|
| Output | $6 | per 1M tokens |
| Cache read | $0.3 | per 1M tokens |
| Web search | $0.005 | per search |
Features
- ToolsYes
- Parallel tool callsNo
- Image inputYes
- ReasoningYes
Levels: low, medium, high · default medium
- Prompt cachingYes
- Structured outputsYes
- JSON modeYes
- StreamingYes
- Web searchNo
Call Grok 4.5
POST /v1/chat/completionsSet LLMAPI_KEY to your LLM API key.Chat Completions docs
import os
from openai import OpenAI
client = OpenAI(
base_url="https://api.llmapi.ai/v1",
api_key=os.environ["LLMAPI_KEY"],
)
response = client.chat.completions.create(
model="grok-4.5",
messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)import OpenAI from "openai";
const client = new OpenAI({
baseURL: "https://api.llmapi.ai/v1",
apiKey: process.env.LLMAPI_KEY,
});
const response = await client.chat.completions.create({
model: "grok-4.5",
messages: [{ role: "user", content: "Hello" }],
});
console.log(response.choices[0].message.content);curl https://api.llmapi.ai/v1/chat/completions \
-H "Authorization: Bearer $LLMAPI_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.5",
"messages": [{"role": "user", "content": "Hello"}]
}'More from xAI
All xAI text models
Grok 4.7grok-4.7$6 / $18per 1M input / output
Grok 4.6grok-4.6$2 / $6per 1M input / output
Grok 4.3grok-4.3$1.25 / $2.5per 1M input / output
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