The AI Voice Agent
That Sounds Human

300ms
End-to-end
voice latency (p95)
<120ms
Live interruption
handling
<30 min
Time to first
deployed agent
99%+
Session completion
rate

Beyond Conversation.
It thinks. It acts.

Four stages of intelligence working in perfect harmony, delivering human-like interactions at machine speed.

01 — Perception

Stacle listens with high-fidelity inputs, filtering noise to capture pure intent.

Latency < 200ms·99.9% Recall

02 — Cognition

Deep semantic analysis understands meaning, context, and emotion instantly.

Context Window 128k·Sentiment Analysis

03 — Interaction

Generates natural, adaptive responses indistinguishable from human conversation.

Adaptive Tone·40+ Languages

04 — Execution

Autonomously updates CRMs, schedules meetings, and triggers workflows.

Salesforce·HubSpot·Zapier

Powerful Features

AI Capabilities That Transform

Enterprise-grade features that transform how you handle customer conversations.

Smart Intent Detection

Analyzes caller intent in real-time to navigate complex sales and support scenarios with precision.

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Natural AI Voice

Indistinguishable from human speech with adaptive pacing, tone modulation, and genuine empathy.

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Autonomous Call Handling

Manages thousands of concurrent calls without fatigue, handling objections and closing deals.

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Automatic CRM Updates

Syncs every conversation detail, summary, and action item directly to your CRM instantly.

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200ms Response Latency

Our optimized AI pipeline delivers sub-200ms responses, making conversations feel natural and uninterrupted.