diff --git a/candle-transformers/src/models/mixformer.rs b/candle-transformers/src/models/mixformer.rs
index 0f2c199b..33aefbfe 100644
--- a/candle-transformers/src/models/mixformer.rs
+++ b/candle-transformers/src/models/mixformer.rs
@@ -4,11 +4,12 @@ use crate::models::with_tracing::{linear, Embedding as E, Linear};
 /// https://arxiv.org/abs/2309.05463
 use candle::{DType, Device, IndexOp, Module, Result, Tensor, D};
 use candle_nn::{Activation, VarBuilder};
+use serde::Deserialize;
 
 const MAX_SEQ_LEN: usize = 4096;
 
 // https://huggingface.co/microsoft/phi-1_5/blob/main/configuration_mixformer_sequential.py
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Deserialize)]
 pub struct Config {
     pub(crate) vocab_size: usize,
     pub(crate) n_positions: usize,
diff --git a/candle-wasm-examples/phi/index.html b/candle-wasm-examples/phi/index.html
index 6b6d589b..19c6a586 100644
--- a/candle-wasm-examples/phi/index.html
+++ b/candle-wasm-examples/phi/index.html
@@ -13,7 +13,8 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link
       rel="stylesheet"
-      href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8.0/build/styles/default.min.css" />
+      href="https://cdn.jsdelivr.net/gh/highlightjs/cdn-release@11.8.0/build/styles/default.min.css"
+    />
     <style>
       @import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@200;300;400&family=Source+Sans+3:wght@100;200;300;400;500;600;700;800;900&display=swap");
       html,
@@ -36,27 +37,110 @@
     <script type="module">
       import snarkdown from "https://cdn.skypack.dev/snarkdown";
       import hljs from "https://cdn.skypack.dev/highlight.js";
-
-      const TOKENIZER_URL =
-        "https://huggingface.co/microsoft/phi-1_5/raw/main/tokenizer.json";
       // models base url
       const MODELS = {
         phi_1_5_quantized: {
           base_url:
             "https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
           model: "model-q4k.gguf",
+          tokenizer: "tokenizer.json",
+          config: "phi-1_5.json",
           quantized: true,
           seq_len: 2048,
+          size: "800 MB",
         },
         phi_1_5_quantized_2: {
           base_url:
             "https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
           model: "model-q80.gguf",
+          tokenizer: "tokenizer.json",
+          config: "phi-1_5.json",
           quantized: true,
           seq_len: 2048,
+          size: "1.51 GB",
+        },
+        puffin_phi_v2_quantized: {
+          base_url:
+            "https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
+          model: "model-puffin-phi-v2-q4k.gguf",
+          tokenizer: "tokenizer-puffin-phi-v2.json",
+          config: "puffin-phi-v2.json",
+          quantized: true,
+          seq_len: 2048,
+          size: "798 MB",
+        },
+        puffin_phi_v2_quantized_2: {
+          base_url:
+            "https://huggingface.co/lmz/candle-quantized-phi/resolve/main/",
+          model: "model-puffin-phi-v2-q80.gguf",
+          tokenizer: "tokenizer-puffin-phi-v2.json",
+          config: "puffin-phi-v2.json",
+          quantized: true,
+          seq_len: 2048,
+          size: "1.50 GB",
         },
       };
 
+      const TEMPLATES = [
+        {
+          title: "Simple prompt",
+          prompt: `Sebastien is in London today, it’s the middle of July yet it’s raining, so Sebastien is feeling gloomy. He`,
+        },
+        {
+          title: "Think step by step",
+          prompt: `Suppose Alice originally had 3 apples, then Bob gave Alice 7 apples, then Alice gave Cook 5 apples, and then Tim gave Alice 3x the amount of apples Alice had. How many apples does Alice have now?  
+Let’s think step by step.`,
+        },
+        {
+          title: "Explaing a code snippet",
+          prompt: `What does this script do?  
+\`\`\`python
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.bind(('', 0))
+s.listen(1)
+conn, addr = s.accept()
+print('Connected by', addr)
+return conn.getsockname()[1]
+\`\`\`
+Let’s think step by step.`,
+        },
+        {
+          title: "Question answering",
+          prompt: `What is the capital of France?  
+Answer:`,
+        },
+        {
+          title: "Chat mode",
+          prompt: `Alice: Can you tell me how to create a python application to go through all the files
+in one directory where the file’s name DOES NOT end with '.json'?  
+Bob:`,
+        },
+        {
+          title: "Python code completion",
+          prompt: `"""write a python function called batch(function, list) which call function(x) for x in
+list in parallel"""  
+Solution:`,
+        },
+        {
+          title: "Python Sample",
+          prompt: `"""Can you make sure those histograms appear side by side on the same plot:  
+\`\`\`python
+plt.hist(intreps_retrained[0][1].view(64,-1).norm(dim=1).detach().cpu().numpy(), bins = 20)
+plt.hist(intreps_pretrained[0][1].view(64,-1).norm(dim=1).detach().cpu().numpy(), bins = 20)
+\`\`\`  
+"""`,
+        },
+        {
+          title: "Write a Twitter post",
+          prompt: `Write a twitter post for the discovery of gravitational wave.  
+Twitter Post:`,
+        },
+        {
+          title: "Write a review",
+          prompt: `Write a polite review complaining that the video game 'Random Game' was too badly optimized and it burned my laptop.  
+Very polite review:`,
+        },
+      ];
       const phiWorker = new Worker("./phiWorker.js", {
         type: "module",
       });
@@ -65,6 +149,8 @@
         const modelID = getValue("model");
         const model = MODELS[modelID];
         const weightsURL = model.base_url + model.model;
+        const tokenizerURL = model.base_url + model.tokenizer;
+        const configURL = model.base_url + model.config;
 
         const prompt = getValue("prompt").trim();
         const temperature = getValue("temperature");
@@ -107,7 +193,8 @@
           phiWorker.postMessage({
             weightsURL,
             modelID,
-            tokenizerURL: TOKENIZER_URL,
+            tokenizerURL,
+            configURL,
             quantized: model.quantized,
             prompt,
             temp: temperature,
@@ -148,9 +235,42 @@
       const clearBtn = document.querySelector("#clear-btn");
       const runBtn = document.querySelector("#run");
       const modelSelect = document.querySelector("#model");
+      const promptTemplates = document.querySelector("#prompt-templates");
       let runController = new AbortController();
       let isRunning = false;
 
+      document.addEventListener("DOMContentLoaded", () => {
+        for (const [id, model] of Object.entries(MODELS)) {
+          const option = document.createElement("option");
+          option.value = id;
+          option.innerText = `${id} (${model.size})`;
+          modelSelect.appendChild(option);
+        }
+
+        for (const [i, { title, prompt }] of TEMPLATES.entries()) {
+          const div = document.createElement("div");
+          const input = document.createElement("input");
+          input.type = "radio";
+          input.name = "task";
+          input.id = `templates-${i}`;
+          input.classList.add("font-light", "cursor-pointer");
+          input.value = prompt;
+          const label = document.createElement("label");
+          label.htmlFor = `templates-${i}`;
+          label.classList.add("cursor-pointer");
+          label.innerText = title;
+          div.appendChild(input);
+          div.appendChild(label);
+          promptTemplates.appendChild(div);
+        }
+      });
+
+      promptTemplates.addEventListener("change", (e) => {
+        const template = e.target.value;
+        prompt.value = template;
+        prompt.style.height = "auto";
+        prompt.style.height = prompt.scrollHeight + "px";
+      });
       modelSelect.addEventListener("change", (e) => {
         const model = MODELS[e.target.value];
         document.querySelector("#max-seq").max = model.seq_len;
@@ -217,10 +337,27 @@
           <a
             href="https://arxiv.org/pdf/2309.05463.pdf#page=8"
             class="link"
-            target="_blank">
+            target="_blank"
+          >
             technical report </a
           >.
         </p>
+        <p class="max-w-lg">
+          You can also try
+          <a
+            href="https://huggingface.co/teknium/Puffin-Phi-v2"
+            class="link"
+            target="_blank"
+            >Puffin-Phi V2
+          </a>
+          quantized version model, a fine-tuned version of Phi-1.5 on the
+          <a
+            href="https://huggingface.co/datasets/LDJnr/Puffin"
+            class="link"
+            target="_blank"
+            >Puffin dataset
+          </a>
+        </p>
       </div>
       <div>
         <p class="text-xs italic max-w-lg">
@@ -234,26 +371,25 @@
         <label for="model" class="font-medium">Models Options: </label>
         <select
           id="model"
-          class="border-2 border-gray-500 rounded-md font-light">
-          <option value="phi_1_5_quantized" selected>
-            phi 1.5 quantized q4k (800 MB)
-          </option>
-          <option value="phi_1_5_quantized_2">
-            phi 1.5 quantized q80 (1.51 GB)
-          </option>
-          <!-- <option value="phi_1_5">phi 1.5 (2.84 GB)</option> -->
-        </select>
+          class="border-2 border-gray-500 rounded-md font-light"
+        ></select>
+      </div>
+      <div>
+        <h3 class="font-medium">Prompt Templates</h3>
+        <form id="prompt-templates" class="flex flex-col gap-1 my-2"></form>
       </div>
       <form
         id="form"
-        class="flex text-normal px-1 py-1 border border-gray-700 rounded-md items-center">
+        class="flex text-normal px-1 py-1 border border-gray-700 rounded-md items-center"
+      >
         <input type="submit" hidden />
         <textarea
           type="text"
           id="prompt"
           class="font-light w-full px-3 py-2 mx-1 resize-none outline-none"
           oninput="this.style.height = 0;this.style.height = this.scrollHeight + 'px'"
-          placeholder="Add your prompt here...">
+          placeholder="Add your prompt here..."
+        >
 Write a detailed analogy between mathematics and a lighthouse.  
 Answer:</textarea
         >
@@ -262,18 +398,21 @@ Answer:</textarea
             fill="none"
             xmlns="http://www.w3.org/2000/svg"
             width="40"
-            viewBox="0 0 70 40">
+            viewBox="0 0 70 40"
+          >
             <path opacity=".5" d="M39 .2v40.2" stroke="#1F2937" />
             <path
               d="M1.5 11.5 19 29.1m0-17.6L1.5 29.1"
               opacity=".5"
               stroke="#1F2937"
-              stroke-width="2" />
+              stroke-width="2"
+            />
           </svg>
         </button>
         <button
           id="run"
-          class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 w-16 rounded disabled:bg-gray-300 disabled:cursor-not-allowed">
+          class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-2 w-16 rounded disabled:bg-gray-300 disabled:cursor-not-allowed"
+        >
           Run
         </button>
       </form>
@@ -292,9 +431,11 @@ Answer:</textarea
             max="2048"
             step="1"
             value="200"
-            oninput="this.nextElementSibling.value = Number(this.value)" />
+            oninput="this.nextElementSibling.value = Number(this.value)"
+          />
           <output
-            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
+            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md"
+          >
             200</output
           >
           <label class="text-sm font-medium" for="temperature"
@@ -308,9 +449,11 @@ Answer:</textarea
             max="2"
             step="0.01"
             value="0.00"
-            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
+            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)"
+          />
           <output
-            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
+            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md"
+          >
             0.00</output
           >
           <label class="text-sm font-medium" for="top-p">Top-p</label>
@@ -322,9 +465,11 @@ Answer:</textarea
             max="1"
             step="0.01"
             value="1.00"
-            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
+            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)"
+          />
           <output
-            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md">
+            class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md"
+          >
             1.00</output
           >
 
@@ -340,7 +485,8 @@ Answer:</textarea
             max="2"
             step="0.01"
             value="1.10"
-            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)" />
+            oninput="this.nextElementSibling.value = Number(this.value).toFixed(2)"
+          />
           <output
             class="text-xs w-[50px] text-center font-light px-1 py-1 border border-gray-700 rounded-md"
             >1.10</output
@@ -351,11 +497,13 @@ Answer:</textarea
             id="seed"
             name="seed"
             value="299792458"
-            class="font-light border border-gray-700 text-right rounded-md p-2" />
+            class="font-light border border-gray-700 text-right rounded-md p-2"
+          />
           <button
             id="run"
             onclick="document.querySelector('#seed').value = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER)"
-            class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-1 w-[50px] rounded disabled:bg-gray-300 disabled:cursor-not-allowed text-sm">
+            class="bg-gray-700 hover:bg-gray-800 text-white font-normal py-1 w-[50px] rounded disabled:bg-gray-300 disabled:cursor-not-allowed text-sm"
+          >
             Rand
           </button>
         </div>
@@ -364,11 +512,13 @@ Answer:</textarea
       <div>
         <h3 class="font-medium">Generation:</h3>
         <div
-          class="min-h-[250px] bg-slate-100 text-gray-500 p-4 rounded-md flex flex-col gap-2">
+          class="min-h-[250px] bg-slate-100 text-gray-500 p-4 rounded-md flex flex-col gap-2"
+        >
           <div
             id="output-counter"
             hidden
-            class="ml-auto font-semibold grid-rows-1 text-sm"></div>
+            class="ml-auto font-semibold grid-rows-1 text-sm"
+          ></div>
           <p hidden id="output-generation" class="grid-rows-2"></p>
           <span id="output-status" class="m-auto font-light"
             >No output yet</span
diff --git a/candle-wasm-examples/phi/phiWorker.js b/candle-wasm-examples/phi/phiWorker.js
index 17a03e14..5c030f1d 100644
--- a/candle-wasm-examples/phi/phiWorker.js
+++ b/candle-wasm-examples/phi/phiWorker.js
@@ -15,21 +15,30 @@ async function fetchArrayBuffer(url) {
 class Phi {
   static instance = {};
 
-  static async getInstance(weightsURL, modelID, tokenizerURL, quantized) {
+  static async getInstance(
+    weightsURL,
+    modelID,
+    tokenizerURL,
+    configURL,
+    quantized
+  ) {
     // load individual modelID only once
     if (!this.instance[modelID]) {
       await init();
 
       self.postMessage({ status: "loading", message: "Loading Model" });
 
-      const [weightsArrayU8, tokenizerArrayU8] = await Promise.all([
-        fetchArrayBuffer(weightsURL),
-        fetchArrayBuffer(tokenizerURL),
-      ]);
+      const [weightsArrayU8, tokenizerArrayU8, configArrayU8] =
+        await Promise.all([
+          fetchArrayBuffer(weightsURL),
+          fetchArrayBuffer(tokenizerURL),
+          fetchArrayBuffer(configURL),
+        ]);
 
       this.instance[modelID] = new Model(
         weightsArrayU8,
         tokenizerArrayU8,
+        configArrayU8,
         quantized
       );
     }
@@ -52,6 +61,7 @@ async function generate(data) {
     weightsURL,
     modelID,
     tokenizerURL,
+    configURL,
     quantized,
     prompt,
     temp,
@@ -66,6 +76,7 @@ async function generate(data) {
       weightsURL,
       modelID,
       tokenizerURL,
+      configURL,
       quantized
     );
 
diff --git a/candle-wasm-examples/phi/src/bin/m.rs b/candle-wasm-examples/phi/src/bin/m.rs
index 8fb7db03..c18e6c38 100644
--- a/candle-wasm-examples/phi/src/bin/m.rs
+++ b/candle-wasm-examples/phi/src/bin/m.rs
@@ -26,10 +26,15 @@ pub struct Model {
 #[wasm_bindgen]
 impl Model {
     #[wasm_bindgen(constructor)]
-    pub fn load(weights: Vec<u8>, tokenizer: Vec<u8>, quantized: bool) -> Result<Model, JsError> {
+    pub fn load(
+        weights: Vec<u8>,
+        tokenizer: Vec<u8>,
+        config: Vec<u8>,
+        quantized: bool,
+    ) -> Result<Model, JsError> {
         console_error_panic_hook::set_once();
         console_log!("loading model");
-        let config: Config = Config::v1_5();
+        let config: Config = serde_json::from_slice(&config)?;
         let tokenizer =
             Tokenizer::from_bytes(&tokenizer).map_err(|m| JsError::new(&m.to_string()))?;
         let start = Date::now();