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Explain quantum entanglement simply

Two particles become linked — measuring one instantly determines the other, regardless of distance.

Why is the sky blue?

Shorter blue wavelengths scatter more off air molecules than longer red ones.

How do black holes form?

ChatExplore →

projects/main

|11.60%|

❯Migrate auth from sessions to JWT.

Thinking...

▸ read_filesrc/middleware/auth.ts68 lines

▸ grep"session" src/4 matches

▸ read_filesrc/lib/jwt.ts42 lines

|Audit auth middlewareexplore

[running]

|Design token rotationgeneral

[running]

|Find session referencesexplore

[done]

Thought for 4.1s

Editsrc/middleware/auth.ts

export async function handler(req) {

const token = extractBearer(req);

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Model families

import os
from xai_sdk import Client
from xai_sdk.chat import user

client = Client(
    api_key=os.getenv("XAI_API_KEY")
)

chat = client.chat.create(model="grok-4.3")
chat.append(user("Explain quantum computing"))

response = chat.sample()
print(response.content)

import OpenAI from "openai";

const client = new OpenAI({
  apiKey: process.env.XAI_API_KEY,
  baseURL: "https://api.x.ai/v1",
});

const response = await client.chat.completions.create({
  model: "grok-4.3",
  messages: [{ role: "user", content: "Explain quantum computing" }],
});

console.log(response.choices[0].message.content);

curl https://api.x.ai/v1/chat/completions \
  -H "Authorization: Bearer $XAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.3",
    "messages": [
      { "role": "user", "content": "Explain quantum computing" }
    ]
  }'