ΣSigma Tech
New · Emotional conversational AI

Lisa — the most advanced chatbot, with emotions.

Conversations that actually feel human.

Most chatbots answer questions. Lisa reads the room. It understands not just what your customers say, but how they feel — and responds with empathy, warmth and context, so every conversation lands like it came from your best person on their best day.

Lisa — an emotionally-intelligent conversational AI, visualised as a warm glowing presence

Emotional intelligence, engineered in.

Lisa combines frontier language reasoning with a purpose-built emotional layer — so support feels caring, sales feels human, and your product feels alive.

Lisa holding an emotionally-aware conversation

Emotion-aware

Lisa detects sentiment, frustration, urgency and delight in real time — and adjusts how it responds, not just what it says.

Adaptive tone

Warm with a worried customer, crisp with a power user. Lisa shifts register to match the person and the moment.

Remembers context

It carries the thread across a conversation — and across sessions — so customers never repeat themselves.

Your brand voice

Tuned to sound like you: your vocabulary, your boundaries, your personality — consistent across every channel.

Multilingual

Fluent, natural conversation across languages, with the same emotional nuance in each.

Deploy anywhere

Web, app, WhatsApp, or inside your product — with private deployment options for sensitive data.

Give your customers someone who gets them.

See Lisa handle a real conversation from your business — in a free, no-commitment demo.