allow to set model name

app/src/components/settings/options.tsx

@@ -2,9 +2,9 @@ import SettingsTab from "./tab";
 import SettingsOption from "./option";
 import { Button, Slider, Textarea } from "@mantine/core";
 import { useCallback, useMemo } from "react";
-import { defaultSystemPrompt } from "../../openai";
+import { defaultSystemPrompt, defaultModel } from "../../openai";
 import { useAppDispatch, useAppSelector } from "../../store";
-import { resetSystemPrompt, selectSystemPrompt, selectTemperature, setSystemPrompt, setTemperature } from "../../store/parameters";
+import { resetModel, setModel, selectModel, resetSystemPrompt, selectSystemPrompt, selectTemperature, setSystemPrompt, setTemperature } from "../../store/parameters";
 import { selectSettingsOption } from "../../store/settings-ui";
 import { FormattedMessage, useIntl } from "react-intl";
 
@@ -13,16 +13,22 @@ export default function GenerationOptionsTab(props: any) {
     
     const option = useAppSelector(selectSettingsOption);
     const initialSystemPrompt = useAppSelector(selectSystemPrompt);
+    const model = useAppSelector(selectModel);
     const temperature = useAppSelector(selectTemperature);
 
     const dispatch = useAppDispatch();
     const onSystemPromptChange = useCallback((event: React.ChangeEvent<HTMLTextAreaElement>) => dispatch(setSystemPrompt(event.target.value)), [dispatch]);
+    const onModelChange = useCallback((event: React.ChangeEvent<HTMLTextAreaElement>) => dispatch(setModel(event.target.value)), [dispatch]);
     const onResetSystemPrompt = useCallback(() => dispatch(resetSystemPrompt()), [dispatch]);
+    const onResetModel = useCallback(() => dispatch(resetModel()), [dispatch]);
     const onTemperatureChange = useCallback((value: number) => dispatch(setTemperature(value)), [dispatch]);
 
-    const resettable = initialSystemPrompt
+    const resettableSystemPromopt = initialSystemPrompt
         && (initialSystemPrompt?.trim() !== defaultSystemPrompt.trim());
 
+    const resettableModel = model
+        && (model?.trim() !== defaultModel.trim());
+
     const systemPromptOption = useMemo(() => (
         <SettingsOption heading={intl.formatMessage({ defaultMessage: "System Prompt" })}
                         focused={option === 'system-prompt'}>
@@ -36,11 +42,30 @@ export default function GenerationOptionsTab(props: any) {
                 <FormattedMessage defaultMessage="The System Prompt is shown to ChatGPT by the &quot;System&quot; before your first message. The <code>'{{ datetime }}'</code> tag is automatically replaced by the current date and time."
                     values={{ code: chunk => <code style={{ whiteSpace: 'nowrap' }}>{chunk}</code> }} />
             </p>
-            {resettable && <Button size="xs" compact variant="light" onClick={onResetSystemPrompt}>
+            {resettableSystemPromopt && <Button size="xs" compact variant="light" onClick={onResetSystemPrompt}>
                 <FormattedMessage defaultMessage="Reset to default" />
             </Button>}
         </SettingsOption>
-    ), [option, initialSystemPrompt, resettable, onSystemPromptChange, onResetSystemPrompt]);
+    ), [option, initialSystemPrompt, resettableSystemPromopt, onSystemPromptChange, onResetSystemPrompt]);
+
+    const modelOption = useMemo(() => (
+        <SettingsOption heading={intl.formatMessage({ defaultMessage: "Model" })}
+                        focused={option === 'model'}>
+            <Textarea
+                value={model || defaultModel}
+                onChange={onModelChange}
+                minRows={1}
+                maxRows={1}
+                autosize />
+            <p style={{ marginBottom: '0.7rem' }}>
+                <FormattedMessage defaultMessage="The model name. Known names are: gpt-3.5, gpt-3.5-turbo and gpt-4.0"
+                    values={{ code: chunk => <code style={{ whiteSpace: 'nowrap' }}>{chunk}</code> }} />
+            </p>
+            {resettableModel && <Button size="xs" compact variant="light" onClick={onResetModel}>
+                <FormattedMessage defaultMessage="Reset to default" />
+            </Button>}
+        </SettingsOption>
+    ), [option, model, resettableModel, onModelChange, onResetModel]);
 
     const temperatureOption = useMemo(() => (
         <SettingsOption heading={intl.formatMessage({ defaultMessage: "Temperature: {temperature, number, ::.0}", }, { temperature })}
@@ -55,9 +80,10 @@ export default function GenerationOptionsTab(props: any) {
     const elem = useMemo(() => (
         <SettingsTab name="options">
             {systemPromptOption}
+            {modelOption}
             {temperatureOption}
         </SettingsTab>
-    ), [systemPromptOption, temperatureOption]);
+    ), [systemPromptOption, modelOption, temperatureOption]);
 
     return elem;
 }

app/src/openai.ts

@@ -9,6 +9,8 @@ Knowledge cutoff: 2021-09
 Current date and time: {{ datetime }}
 `.trim();
 
+export const defaultModel = 'gpt-3.5-turbo';
+
 export interface OpenAIResponseChunk {
     id?: string;
     done: boolean;
@@ -53,7 +55,7 @@ export async function createChatCompletion(messages: OpenAIMessage[], parameters
     const openai = new OpenAIApi(configuration);
 
     const response = await openai.createChatCompletion({
-        model: 'gpt-3.5-turbo',
+        model: parameters.model,
         temperature: parameters.temperature,
         messages: messages as any,
     });
@@ -93,7 +95,7 @@ export async function createStreamingChatCompletion(messages: OpenAIMessage[], p
             'Content-Type': 'application/json',
         },
         payload: JSON.stringify({
-            "model": "gpt-3.5-turbo",
+            "model": parameters.model,
             "messages": messagesToSend,
             "temperature": parameters.temperature,
             "stream": true,

app/src/parameters.ts

@@ -1,7 +1,9 @@
+import { defaultModel } from "./openai";
 import { Parameters } from "./types";
 
 export const defaultParameters: Parameters = {
     temperature: 0.5,
+    model: defaultModel
 };
 
 export function loadParameters(id: string | null | undefined = null): Parameters {

app/src/store/parameters.ts

@@ -1,6 +1,6 @@
 import { createSlice, PayloadAction } from '@reduxjs/toolkit'
 import type { RootState } from '.';
-import { defaultSystemPrompt } from '../openai';
+import { defaultSystemPrompt, defaultModel } from '../openai';
 import { defaultParameters } from '../parameters';
 import { Parameters } from '../types';
 
@@ -16,15 +16,22 @@ export const parametersSlice = createSlice({
         resetSystemPrompt: (state) => {
             state.initialSystemPrompt = defaultSystemPrompt;
         },
+        setModel: (state, action: PayloadAction<string>) => {
+            state.model = action.payload;
+        },
+        resetModel: (state) => {
+            state.model = defaultModel;
+        },
         setTemperature: (state, action: PayloadAction<number>) => {
             state.temperature = action.payload;
         },
     },
 })
 
-export const { setSystemPrompt, setTemperature, resetSystemPrompt } = parametersSlice.actions;
+export const { setSystemPrompt, setModel, setTemperature, resetSystemPrompt, resetModel } = parametersSlice.actions;
 
 export const selectSystemPrompt = (state: RootState) => state.parameters.initialSystemPrompt;
+export const selectModel = (state: RootState) => state.parameters.model;
 export const selectTemperature = (state: RootState) => state.parameters.temperature;
 
 export default parametersSlice.reducer;

app/src/titles.ts

@@ -1,4 +1,4 @@
-import { createChatCompletion } from "./openai";
+import { createChatCompletion, defaultModel } from "./openai";
 import { OpenAIMessage, Chat } from "./types";
 
 const systemPrompt = `
@@ -38,7 +38,7 @@ export async function createTitle(chat: Chat, apiKey: string | undefined | null,
         },
     ];
 
-    let title = await createChatCompletion(messages as any, { temperature: 0.5, apiKey });
+    let title = await createChatCompletion(messages as any, { temperature: 0.5, model: defaultModel, apiKey });
 
     if (!title?.length) {
         if (firstUserMessage.content.trim().length > 2 && firstUserMessage.content.trim().length < 250) {

app/src/types.ts

@@ -4,6 +4,7 @@ export interface Parameters {
     temperature: number;
     apiKey?: string;
     initialSystemPrompt?: string;
+    model: string;
 }
 
 export interface Message {