What is Tunk?

Tunk.ai is a voice AI platform that enables automated inbound and outbound conversations through AI‑powered agents and real‑time speech‑to‑text APIs. It supports more than 50 languages and offers low‑latency transcription with options to choose from Deepgram or custom models.

The platform integrates with cloud dialers such as Twilio and Plivo, allowing scalable campaign automation and seamless call routing. Users can sync call data, qualified leads, and outcomes directly into CRM systems including Salesforce, HubSpot, and Zoho, while automatically triggering follow‑up workflows.

Custom prompts, tone settings, and knowledge‑base integration let organizations tailor agent behavior for domain‑specific accuracy and consistent brand voice. Batch calling features enable CSV‑based uploads, real‑time status tracking, and export of call results for compliance or analysis.

Tunk pricing Freemium

Summarization $0.0003/1k input tokens

Transcription $0.0072/minute

Translation $0.0072/minute

Forced alignment $0.00072/minute

Sentiment analysis by llm $0.0015/1k input tokens

Verify on the official pricing page.

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Tunk's key features

Voice AI Agents for calls
Low-latency multilingual Speech-to-Text
Cloud Dialer integration (Twilio, Plivo)
CRM sync to Salesforce
Real-time call analytics
Multi-model provider support
Batch calling automation

Tunk use cases

Automate inbound customer support calls with Tunk.ai, using real-time speech‑to‑text and Salesforce integration to instantly create case records and route agents, while providing multilingual support across 50+ languages.
Launch outbound multilingual sales campaigns with Tunk.ai’s AI agents and Twilio integration, automatically dialing prospects, engaging them with custom voice prompts, and collecting call data for real‑time sentiment scoring in HubSpot.
Implement real‑time call analytics in your call center using Tunk.ai, extracting sentiment scores, compliance exports, and call routing insights directly into Zoho, enabling instant quality monitoring and workforce optimization.