diff --git a/index.ts b/index.ts
index d54a6f1..0cd87ed 100644
--- a/index.ts
+++ b/index.ts
@@ -1,58 +1,78 @@
 import os from "node:os";
+import { parseArgs } from "node:util";
 import { createOpenAICompatible } from "@ai-sdk/openai-compatible";
 import { type ModelMessage, streamText } from "ai";
-
 import { renderStream } from "./src/render";
 
 const home = os.homedir();
 const convoFile = Bun.file(`${home}/.aicl_convo.json`);
 
-const provider = createOpenAICompatible({
-  name: "llama.cpp",
-  apiKey: "local",
-  baseURL: "http://127.0.0.1:8080/v1",
-  includeUsage: true, // Include usage information in streaming responses
+const { values: args, positionals } = parseArgs({
+  args: Bun.argv,
+  options: {
+    model: {
+      type: "string",
+    },
+    new: {
+      type: "boolean",
+    },
+  },
+  strict: true,
+  allowPositionals: true,
 });
 
-const messages: ModelMessage[] = [];
+async function main() {
+  const provider = createOpenAICompatible({
+    name: "llama.cpp",
+    apiKey: "local",
+    baseURL: "http://127.0.0.1:8080/v1",
+    includeUsage: true, // Include usage information in streaming responses
+  });
 
-try {
-  const convo = await convoFile.json();
-  messages.push(...convo);
-} catch {}
+  const messages: ModelMessage[] = [];
 
-const prompt = Bun.argv[2] ?? "Introduce yourself.";
-messages.push({ role: "user", content: prompt });
+  if (!args.new) {
+    try {
+      const convo = await convoFile.json();
+      messages.push(...convo);
+    } catch {}
+  }
 
-const { fullStream, textStream, text, totalUsage } = streamText({
-  model: provider("gemma4-26b-a4b"),
-  messages,
-});
+  const prompt = positionals[2] ?? "Introduce yourself.";
+  messages.push({ role: "user", content: prompt });
 
-const start = Date.now();
+  const { fullStream, textStream, text, totalUsage } = streamText({
+    model: provider(args.model ?? "gemma4-26b-a4b"),
+    messages,
+  });
 
-const streamRender = renderStream(fullStream);
+  const start = Date.now();
 
-const [width] = process.stdout.getWindowSize();
-const glow = Bun.spawn({
-  cmd: ["glow", "-w", `${width}`, "-"],
-  stdin: textStream,
-  stdout: "inherit",
-});
+  const streamRender = renderStream(fullStream);
 
-await streamRender;
+  const [width] = process.stdout.getWindowSize();
+  const glow = Bun.spawn({
+    cmd: ["glow", "-w", `${width}`, "-"],
+    stdin: textStream,
+    stdout: "inherit",
+  });
 
-const stop = Date.now();
+  await streamRender;
 
-await glow.exited;
+  const stop = Date.now();
 
-messages.push({ role: "assistant", content: await text });
-await convoFile.write(JSON.stringify(messages));
+  await glow.exited;
 
-const { inputTokens, outputTokens } = await totalUsage;
-const context = (inputTokens ?? 0) / 1000;
-const output = (outputTokens ?? 0) / 1000;
-const time = (stop - start) / 1000;
-process.stderr.write(
-  `\u001b[2mContext: ${context.toFixed(1)}k, Output: ${output.toFixed(1)}k, Time: ${time.toFixed(2)}s\u001b[22m\n`,
-);
+  messages.push({ role: "assistant", content: await text });
+  await convoFile.write(JSON.stringify(messages));
+
+  const { inputTokens, outputTokens } = await totalUsage;
+  const context = (inputTokens ?? 0) / 1000;
+  const output = (outputTokens ?? 0) / 1000;
+  const time = (stop - start) / 1000;
+  process.stderr.write(
+    `\u001b[2mContext: ${context.toFixed(1)}k, Output: ${output.toFixed(1)}k, Time: ${time.toFixed(2)}s\u001b[22m\n`,
+  );
+}
+
+await main();
diff --git a/package.json b/package.json
index ad55268..63aacf3 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "dev": "bun run index.ts",
     "prod": "bun run out/index.js",
     "check": "bunx --bun @biomejs/biome check --write",
-    "build": "bun run check && bun run build:bundle && bun run shebang",
+    "build:js": "bun run check && bun run build:bundle && bun run shebang",
     "build:bundle": "bun build --target=bun --production --sourcemap --outdir=out index.ts",
     "build:bin": "bun build --compile --outfile=out/aicl index.ts",
     "shebang": "sed -i '1i#!\\/usr\\/bin\\/env bun' out/index.js"
diff --git a/src/render/index.ts b/src/render/index.ts
index 46be8e3..25d4a9d 100644
--- a/src/render/index.ts
+++ b/src/render/index.ts
@@ -59,9 +59,7 @@ export async function renderStream(
       resetCounts();
     }
 
-    while (!memOk) {
-      await new Promise((resolve) => setTimeout(resolve, 10));
-    }
+    while (!memOk) await Bun.sleep(10);
   }
 }