Last updated 07-23-2026
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Tunk
Tunk is a voice platform for building agents that handle real phone conversations, plus speech-to-text APIs for turning audio into text. Teams use it to run inbound and outbound calls, transcribe recordings, and pull insights from every conversation without stitching together separate telephony and transcription tools.
The company started in speech-to-text before expanding into full voice agents. Its stack now covers live streaming transcription, batch audio processing, configurable voice assistants, and post-call analytics that track sentiment, intent, and outcomes.
The platform targets contact centers, sales teams, and developers who need multilingual voice automation. It supports 50+ languages, connects to cloud dialers like Twilio and Plivo, and syncs call data into CRMs such as Salesforce, HubSpot, and Zoho.
Voice agents run inbound and outbound calls with contextual, human-like conversation flow
Batch calling imports CSV contact lists and tracks campaign status in real time
Speech-to-text APIs transcribe pre-recorded audio in 50+ languages with speaker diarization
Hooks into Twilio and Plivo so agents can scale phone campaigns through cloud dialers
Pushes qualified leads and call outcomes into Salesforce, HubSpot, or Zoho automatically
Post-call analytics flag sentiment, customer intent, and conversation results after each call
Pick your stack from OpenAI, Deepgram, ElevenLabs, and Azure for models, voice, and transcription
Pay-as-you-go voice agent pricing has no seat fees or monthly minimums.
Supports 50+ languages across voice agents and transcription APIs.
Connects to CRMs and cloud dialers like Twilio and Plivo out of the box.
Includes an API playground for testing speech-to-text before full deployment.
Voice agent usage starts at $0.05 per minute with no free tier listed on the pricing page.
Enterprise SLAs and volume discounts require contacting the sales team.
The platform is web-based with no dedicated mobile app listed on the site.
What does Tunk.ai do?
Tunk.ai is a voice platform that combines Voice AI agents for phone calls with speech-to-text APIs and post-call analytics. Teams use it to automate inbound and outbound conversations, transcribe audio, and sync call results into CRM systems.
How much does Tunk.ai cost?
Tunk.ai uses pay-as-you-go pricing for voice agents starting at $0.05 per minute, with usage billed at the end of each month and no seat fees or minimums. Enterprise plans with custom pricing, SLAs, and volume discounts are available by contacting the support team.
What languages does Tunk.ai support?
Tunk.ai supports 50+ languages across its voice agents and speech-to-text APIs. The platform also handles regional accents and dialects for localized voice interactions.
Does Tunk.ai integrate with CRMs?
Yes. Tunk.ai syncs call data, qualified leads, and conversation outcomes into CRM platforms including Salesforce, HubSpot, and Zoho. It also connects to cloud dialers like Twilio and Plivo for telephony.
Does Tunk.ai offer speech-to-text APIs?
Yes. Tunk.ai provides batch and real-time speech-to-text APIs for converting audio into transcripts. Features include speaker diarization, translation across 50+ languages, and an API playground for testing.
Is there an enterprise plan for Tunk.ai?
Yes. Tunk.ai offers an Enterprise plan with custom pricing, dedicated account management, custom integrations, SLA-backed support, volume discounts, and on-demand concurrent calls. Teams can reach out through the contact page to discuss requirements.