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feat(gemini): upgrade to gemini-3 preview models #36

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24 changes: 13 additions & 11 deletions app/models/gemini/api.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -17,12 +17,10 @@
* ==============================================================================
*/

// set up Gemini generative AI library
const { GoogleGenerativeAI } = require("@google/generative-ai");
import { GoogleGenerativeAI, HarmBlockThreshold, HarmCategory } from "@google/generative-ai";
const genAI = new GoogleGenerativeAI(process.env.API_KEY);
// Remember to set an environment variable for API_KEY in .env

import { HarmBlockThreshold, HarmCategory } from "@google/generative-ai";
import { DialogParams } from '@core/shared/interfaces';

// Default safety settings
Expand Down Expand Up @@ -60,12 +58,12 @@ const DEFAULT_GENERATION_PARAMS: ModelParams = {
temperature: 0.8,
topK: 40,
topP: 0.95,
candidateCount: 8
candidateCount: 1
}
};

const TEXT_MODEL_ID = 'gemini-pro';
const DIALOG_MODEL_ID = 'gemini-pro';
const TEXT_MODEL_ID = 'gemini-3-pro-preview';
const DIALOG_MODEL_ID = 'gemini-3-flash-preview';

export async function callTextModel(
textPrompt: string,
Expand All @@ -75,8 +73,10 @@ export async function callTextModel(
genConfig.generationConfig.maxOutputTokens = 1024;

const model = genAI.getGenerativeModel({
model: TEXT_MODEL_ID, genConfig, safetySettings
});
model: TEXT_MODEL_ID,
generationConfig: genConfig.generationConfig,
safetySettings
}, { apiVersion: 'v1beta' });
const result = await model.generateContent(textPrompt);
const response = await result.response;
return response.text();
Expand All @@ -92,8 +92,10 @@ export async function callDialogModel(
genConfig.generationConfig.candidateCount = 1;

const model = genAI.getGenerativeModel({
model: DIALOG_MODEL_ID, genConfig, safetySettings
});
model: DIALOG_MODEL_ID,
generationConfig: genConfig.generationConfig,
safetySettings
}, { apiVersion: 'v1beta' });

// get lastest chat request (last message)
const lastMsgIndex = chatParams.messages.length - 1;
Expand All @@ -102,7 +104,7 @@ export async function callDialogModel(
// set chat history
const history = remapHistory(chatParams);
console.log("history (object):\n", history);
const chat = model.startChat( history );
const chat = model.startChat({ history });

const result = await chat.sendMessage(message);
const response = await result.response;
Expand Down
14 changes: 13 additions & 1 deletion app/models/gemini/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -130,10 +130,19 @@ export class GeminiModel extends Model {
"Each response must start with: " + D0 + " and end with: " + D1;
console.log('🚀 prompt text: ', promptText);

const res = await callTextModel(promptText, params);
let res: string;
try {
res = await callTextModel(promptText, params);
} catch (err) {
console.error('Error calling text model:', err);
throw err;
}
console.log('🚀 model results: ', res);

const responseText = getListOfReponses(res, D0, D1);
if (responseText.length === 0) {
console.warn('No responses found in model output. Raw output:', res);
}

const results = createModelResults(responseText);
const output = shouldParse
Expand Down Expand Up @@ -165,6 +174,9 @@ export function getListOfReponses(txt: string, d0: string, d1: string) {
// allowing the regex to capture multi-line output
const re = new RegExp(`(?<=${d0})(.*?)(?=${d1})`, 'gms');
const matches = txt.match(re);
if (!matches) {
return [];
}
const responseList = [];
for (const match of matches) {
// re-add the curly brackets
Expand Down
14 changes: 7 additions & 7 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
"license": "Apache-2.0",
"dependencies": {
"@adobe/lit-mobx": "^2.0.0-rc.4",
"@google/generative-ai": "^0.3.0",
"@google/generative-ai": "^0.24.1",
"@material/mwc-checkbox": "^0.27.0",
"@material/mwc-circular-progress-four-color": "^0.27.0",
"@material/mwc-dialog": "^0.27.0",
Expand Down