diff --git a/src/models/gemini.js b/src/models/gemini.js
index 504e3f6..61f4f1a 100644
--- a/src/models/gemini.js
+++ b/src/models/gemini.js
@@ -1,5 +1,5 @@
 import { GoogleGenerativeAI } from '@google/generative-ai';
-import { toSinglePrompt } from './helper.js';
+import { toSinglePrompt } from '../utils/text.js';
 
 export class Gemini {
     constructor(model_name, url) {
@@ -27,7 +27,6 @@ export class Gemini {
 
         const stop_seq = '***';
         const prompt = toSinglePrompt(turns, systemMessage, stop_seq, 'model');
-        console.log(prompt)
         const result = await model.generateContent(prompt);
         const response = await result.response;
         const text = response.text();
diff --git a/src/models/helper.js b/src/models/helper.js
deleted file mode 100644
index 7b45fe1..0000000
--- a/src/models/helper.js
+++ /dev/null
@@ -1,14 +0,0 @@
-export function toSinglePrompt(turns, system=null, stop_seq='***', model_nickname='assistant') {
-    let messages = turns;
-    if (system) messages.unshift({role: 'system', content: system});
-    let prompt = "";
-    let role = "";
-    messages.forEach((message) => {
-        role = message.role;
-        if (role === 'assistant') role = model_nickname;
-        prompt += `${role}: ${message.content}${stop_seq}`;
-    });
-    if (role !== model_nickname) // if the last message was from the user/system, add a prompt for the model. otherwise, pretend we are extending the model's own message
-        prompt += model_nickname + ": ";
-    return prompt;
-}
diff --git a/src/models/replicate.js b/src/models/replicate.js
index d9f8382..4301448 100644
--- a/src/models/replicate.js
+++ b/src/models/replicate.js
@@ -1,5 +1,5 @@
 import Replicate from 'replicate';
-import { toSinglePrompt } from './helper.js';
+import { toSinglePrompt } from '../utils/text.js';
 
 // llama, mistral
 export class ReplicateAPI {
@@ -24,7 +24,8 @@ export class ReplicateAPI {
 		const stop_seq = '***';
 		let prompt_template;
 		const prompt = toSinglePrompt(turns, systemMessage, stop_seq);
-		if (this.model_name.includes('llama')) { // llama
+		let model_name = this.model_name || 'meta/meta-llama-3-70b-instruct';
+		if (model_name.includes('llama')) { // llama
 			prompt_template = "<|begin_of_text|><|start_header_id|>system<|end_header_id|>\n\n<|eot_id|><|start_header_id|>user<|end_header_id|>\n\n{prompt}<|eot_id|><|start_header_id|>assistant<|end_header_id|>\n\n"
 		}
 		else { // mistral
@@ -36,7 +37,7 @@ export class ReplicateAPI {
 		try {
 			console.log('Awaiting Replicate API response...');
 			let result = '';
-			for await (const event of this.replicate.stream(this.model_name, { input })) {
+			for await (const event of this.replicate.stream(model_name, { input })) {
 				result += event;
 				if (result === '') break;
 				if (result.includes(stop_seq)) {
diff --git a/src/utils/text.js b/src/utils/text.js
index d06221a..c075d50 100644
--- a/src/utils/text.js
+++ b/src/utils/text.js
@@ -11,4 +11,19 @@ export function stringifyTurns(turns) {
         }
     }
     return res.trim();
+}
+
+export function toSinglePrompt(turns, system=null, stop_seq='***', model_nickname='assistant') {
+    let messages = turns;
+    if (system) messages.unshift({role: 'system', content: system});
+    let prompt = "";
+    let role = "";
+    messages.forEach((message) => {
+        role = message.role;
+        if (role === 'assistant') role = model_nickname;
+        prompt += `${role}: ${message.content}${stop_seq}`;
+    });
+    if (role !== model_nickname) // if the last message was from the user/system, add a prompt for the model. otherwise, pretend we are extending the model's own message
+        prompt += model_nickname + ": ";
+    return prompt;
 }
\ No newline at end of file