diff --git a/src/gemini/gemini.controller.spec.ts b/src/gemini/gemini.controller.spec.ts
deleted file mode 100644
index 6823f1a..0000000
--- a/src/gemini/gemini.controller.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { GeminiController } from './gemini.controller';
-
-describe('GeminiController', () => {
-  let controller: GeminiController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [GeminiController],
-    }).compile();
-
-    controller = module.get<GeminiController>(GeminiController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});
diff --git a/src/gemini/gemini.module.ts b/src/gemini/gemini.module.ts
deleted file mode 100644
index 57f4663..0000000
--- a/src/gemini/gemini.module.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { Module } from '@nestjs/common';
-
-@Module({})
-export class GeminiModule {}
diff --git a/src/gemini/gemini.service.spec.ts b/src/gemini/gemini.service.spec.ts
deleted file mode 100644
index 92f3163..0000000
--- a/src/gemini/gemini.service.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { GeminiService } from './gemini.service';
-
-describe('GeminiService', () => {
-  let service: GeminiService;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [GeminiService],
-    }).compile();
-
-    service = module.get<GeminiService>(GeminiService);
-  });
-
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
-});
diff --git a/src/gemini/gemini.service.ts b/src/gemini/gemini.service.ts
deleted file mode 100644
index f2ad2ff..0000000
--- a/src/gemini/gemini.service.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-import { Injectable } from '@nestjs/common';
-
-import OpenAI from 'openai';
-
-@Injectable()
-export class GeminiService {
-  private readonly model = 'gemini-2.0-flash';
-  private readonly systemPrompt =
-    'Você é um assistente de IA que responde em portugues.';
-
-  private readonly gemini = new OpenAI({
-    apiKey: process.env.GEMINI_API_KEY,
-    baseURL: 'https://generativelanguage.googleapis.com/v1beta/openai/',
-  });
-
-  public async generate({
-    model = this.model,
-    message,
-    systemPrompt = this.systemPrompt,
-  }: {
-    model?: string;
-    message: string;
-    systemPrompt?: string;
-  }) {
-    try {
-      const response = await this.gemini.chat.completions.create({
-        model,
-        messages: [
-          {
-            role: 'system',
-            content: systemPrompt,
-          },
-          {
-            role: 'user',
-            content: message,
-          },
-        ],
-      });
-
-      return response;
-    } catch (error) {
-      throw new Error(error as string);
-    }
-  }
-}
diff --git a/src/modules/ollama/dto/chat.dto.ts b/src/modules/ollama/dto/chat.dto.ts
deleted file mode 100644
index 6212385..0000000
--- a/src/modules/ollama/dto/chat.dto.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { IsNotEmpty, IsString } from 'class-validator';
-
-export class ChatDto {
-  @IsString()
-  @IsNotEmpty()
-  message: string;
-
-  @IsString()
-  model: string;
-}
diff --git a/src/modules/ollama/ollama.controller.spec.ts b/src/modules/ollama/ollama.controller.spec.ts
deleted file mode 100644
index b0c2ecc..0000000
--- a/src/modules/ollama/ollama.controller.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { OllamaController } from './ollama.controller';
-
-describe('OllamaController', () => {
-  let controller: OllamaController;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [OllamaController],
-    }).compile();
-
-    controller = module.get<OllamaController>(OllamaController);
-  });
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined();
-  });
-});
diff --git a/src/modules/ollama/ollama.module.ts b/src/modules/ollama/ollama.module.ts
deleted file mode 100644
index 2680197..0000000
--- a/src/modules/ollama/ollama.module.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { Module } from '@nestjs/common';
-import { OllamaService } from './ollama.service';
-
-@Module({
-  providers: [OllamaService],
-})
-export class OllamaModule {}
diff --git a/src/modules/ollama/ollama.service.spec.ts b/src/modules/ollama/ollama.service.spec.ts
deleted file mode 100644
index e8b0746..0000000
--- a/src/modules/ollama/ollama.service.spec.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing';
-import { OllamaService } from './ollama.service';
-
-describe('OllamaService', () => {
-  let service: OllamaService;
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      providers: [OllamaService],
-    }).compile();
-
-    service = module.get<OllamaService>(OllamaService);
-  });
-
-  it('should be defined', () => {
-    expect(service).toBeDefined();
-  });
-});
diff --git a/src/modules/ollama/ollama.service.ts b/src/modules/ollama/ollama.service.ts
deleted file mode 100644
index 48e6e8d..0000000
--- a/src/modules/ollama/ollama.service.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-import { Ollama } from 'ollama';
-import { Injectable } from '@nestjs/common';
-import type { ListResponse, ModelResponse } from 'ollama';
-
-@Injectable()
-export class OllamaService {
-  private readonly ollama: Ollama;
-
-  constructor() {
-    this.ollama = new Ollama({ host: 'http://154.12.229.181:11434' });
-  }
-
-  public async getModels({ onlyChats }: { onlyChats: boolean }) {
-    try {
-      const modelsData = await this.ollama.list();
-
-      if (onlyChats) {
-        return this.getChatModels(modelsData);
-      }
-
-      return modelsData.models;
-    } catch (error) {
-      throw new Error(error as string);
-    }
-  }
-
-  public getChatModels(modelsData: ListResponse): ModelResponse[] {
-    const excludeFamilies = ['nomic-bert', 'embed', 'embedding'];
-
-    return modelsData.models.filter((model) => {
-      const families = model.details?.families || [];
-
-      return !families.some((f) => excludeFamilies.includes(f.toLowerCase()));
-    });
-  }
-
-  public async generateChat({
-    model,
-    message,
-  }: {
-    model: string;
-    message: string;
-  }) {
-    try {
-      const response = await this.ollama.chat({
-        model,
-        messages: [{ role: 'user', content: message }],
-      });
-
-      return response.message.content;
-    } catch (error) {
-      throw new Error(error as string);
-    }
-  }
-}
diff --git a/src/modules/videos/dto/create-video-dto.ts b/src/modules/videos/dto/create-video-dto.ts
index 621bd2e..27819f3 100644
--- a/src/modules/videos/dto/create-video-dto.ts
+++ b/src/modules/videos/dto/create-video-dto.ts
@@ -60,6 +60,11 @@ export class CreateVideoDto {
   @MaxLength(244)
   description?: string;
 
+  @IsOptional()
+  @IsUrl()
+  @MaxLength(244)
+  transcriptionUrl?: string;
+
   @IsOptional()
   @IsNumber(
     { allowNaN: false, allowInfinity: false },