Contact person: Business Client

Phone:Show

Email:Show

Location: Alges, Portugal

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"The project goal is to create a voice chatbot, on option A without avatar and on option B with avatar.
Please submit estimated time either per option, A or B, or per version (A1, A2, A3, B1, B2, B3)

OPTION A — Voice Chatbot (no avatar)

Version A1 — Flexible (multiple platforms)
Title: Prototype Voice Chatbot (Android Tablet) – STT + LLM + TTS
Description:
We need a quick prototype (2–3 weeks) of a voice chatbot for Android with the following features:
- Speech-to-Text (STT): Google Speech-to-Text or Whisper API (OpenAI).
- LLM: OpenAI GPT-4o / GPT-4o-mini, or similar.
- Text-to-Speech (TTS): Google Cloud TTS, Azure TTS, or ElevenLabs.
- Simple Android app: push-to-talk button, voice reply playback.
- Optional backend to handle API calls (Firebase, AWS Lambda, etc.).
Deliverables: Functional APK + demo video + short documentation.
Timeline: 2–3 weeks

Version A2 — Unified (Google Cloud)
Title: Prototype Voice Chatbot (Android Tablet) – Google Cloud AI
Description:
We want a functional prototype of a voice chatbot on Android tablet, based entirely on Google Cloud.
- STT: Google Cloud Speech-to-Text
- LLM: Gemini 1.5 Flash or Vertex AI (PaLM/Gemini)
- TTS: Google Cloud Text-to-Speech
- Backend: Firebase Functions
- Android App: Flutter or Android Studio
Deliverables: APK + demo video + documentation.
Timeline: 2–3 weeks

Version A3 — Unified (AWS)
Title: Prototype Voice Chatbot (Android Tablet) – AWS AI
Description:
Quick prototype of a voice chatbot for Android, built on Amazon Web Services (AWS).
- STT: Amazon Transcribe
- LLM: Amazon Bedrock (Claude, Llama 3, etc.)
- TTS: Amazon Polly
- Backend: AWS Lambda
- Android App: Flutter or Kotlin/Java
Deliverables: APK + demo video + documentation.
Timeline: 2–3 weeks


OPTION B — Chatbot with Photorealistic Avatar

Version B1 — Flexible (multiple platforms)
Title: Prototype Chatbot with Photorealistic Avatar (Android Tablet)
Description:
We need a quick demo prototype (3–4 weeks) of a chatbot with a photorealistic avatar for Android.
- STT: Google Speech-to-Text or Whisper API
- LLM: OpenAI GPT-4o / GPT-4o-mini or Gemini
- TTS: Google Cloud, Azure, or ElevenLabs
- Avatar: Heygen API or D-ID API (preferably with real-time streaming)
- Emotion: Azure Cognitive Services or similar
- Android App: basic UI with microphone + avatar video
Deliverables: APK + demo video + documentation.
Timeline: 3–4 weeks


Version B2 — Unified (Azure)
Title: Prototype Chatbot with Avatar (Android Tablet) – Azure AI + D-ID
Description:
Prototype of a chatbot with photorealistic avatar, based on Microsoft Azure Cognitive Services.
- STT: Azure Speech-to-Text
- LLM: Azure OpenAI (GPT-4o / GPT-4o-mini)
- TTS: Azure Neural Voices
- Avatar: D-ID API (real-time streaming)
- Emotion: Azure Sentiment Analysis (basic positive/negative/neutral)
- Backend: Azure Functions
- Android App: Flutter
Deliverables: APK + demo video + documentation.
Timeline: 3–4 weeks

Version B3 — Unified (AWS)
Title: Prototype Chatbot with Avatar (Android Tablet) – AWS AI + D-ID
Description:
Prototype of a chatbot with photorealistic avatar, built on Amazon Web Services (AWS).
- STT: Amazon Transcribe
- LLM: Amazon Bedrock (Claude, Llama 3, etc.)
- TTS: Amazon Polly
- Avatar: D-ID API
- Emotion: Amazon Comprehend (basic sentiment analysis)
- Backend: AWS Lambda
- Android App: Flutter
Deliverables: APK + demo video + documentation.
Timeline: 3–4 weeks" (client-provided description)