Updates default model

tokenize.ipynb

@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": null,
    "metadata": {
     "tags": [
      "parameters"
@@ -22,14 +22,14 @@
     "# For use with Hugging Face models, specify user/model name from the Hugging Face model hub\n",
     "# For use with OpenAI models, specify the model name from the OpenAI API\n",
     "# See https://huggingface.co/models for Hugging Face models\n",
-    "model_name = 'mixedbread-ai/mxbai-embed-large-v1' # same tokenizer as used in embeddings\n",
+    "model_name = 'microsoft/Phi-3.5-mini-instruct'\n",
     "# See https://github.com/openai/tiktoken/blob/63527649963def8c759b0f91f2eb69a40934e468/tiktoken/model.py#L22-L72 for OpenAI models\n",
     "# model_name = 'gpt-4o'"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -92,7 +92,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -103,7 +103,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -114,7 +114,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [