Cloudflare

import { OpenAI } from "openai";
import { initLogger, wrapOpenAI } from "braintrust";

// Initialize Braintrust logging
initLogger({
  projectName: "My Project",
  apiKey: process.env.BRAINTRUST_API_KEY,
});

// Create OpenAI client configured for Cloudflare AI Gateway
const client = wrapOpenAI(
  new OpenAI({
    // OpenAI SDK automatically adds /chat/completions
    baseURL: `https://gateway.ai.cloudflare.com/v1/${process.env.CLOUDFLARE_ACCOUNT_ID}/${process.env.CLOUDFLARE_AI_GATEWAY_NAME}/compat`,
    apiKey: process.env.OPENAI_API_KEY,
  }),
);

// This request will be automatically traced by Braintrust
const result = await client.chat.completions.create({
  model: "openai/gpt-4o",
  messages: [{ role: "user", content: "What is 1+1?" }],
});

console.log(result);

import { OpenAI } from "openai";
import { wrapOpenAI } from "braintrust";

// Switch to Anthropic
const client = wrapOpenAI(
  new OpenAI({
    baseURL: `https://gateway.ai.cloudflare.com/v1/${process.env.CLOUDFLARE_ACCOUNT_ID}/${process.env.CLOUDFLARE_AI_GATEWAY_NAME}/compat`,
    apiKey: process.env.ANTHROPIC_API_KEY, // Use Anthropic's API key
  }),
);

const result = await client.chat.completions.create({
  model: "anthropic/claude-sonnet-4-5-20250929", // Use Anthropic model
  messages: [{ role: "user", content: "Hello!" }],
});

import { initLogger, wrapWorkersAI } from "braintrust";

interface Env {
  AI: Ai;
  BRAINTRUST_API_KEY: string;
}

export default {
  async fetch(
    request: Request,
    env: Env,
    ctx: ExecutionContext,
  ): Promise<Response> {
    const logger = initLogger({
      projectName: "My Project", // Replace with your project name
      apiKey: env.BRAINTRUST_API_KEY,
    });

    const ai = wrapWorkersAI(env.AI);

    try {
      const result = await ai.run("@cf/cloudflare/clef-flash", {
        model: "clef-flash",
        state: "Checkout has failed for every customer for an hour.",
        questions: {
          urgent: { type: "noul", instructions: "Is this urgent?" },
        },
      });
      return Response.json(result);
    } finally {
      ctx.waitUntil(logger.flush());
    }
  },
};