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Agent STT: Speech-to-Text API for AI Voice Agents

AI AppsAI Transcription ToolsFreemium · LiveKit, Pipecat

Agent STT is a speech-to-text API designed for AI voice agents, offering 350ms latency, speaker diarization, and support for over 55 languages. It is priced from $0.30 per hour, with volume discounts available. The API is suitable for real-time and batch transcription, providing high accuracy and flexibility for developers.

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Agent STT: Speech-to-Text API for AI Voice Agents screenshot
Agent STT: Speech-to-Text API for AI Voice Agents screenshot

Agent STT is a specialized speech-to-text API developed by Speechmatics, tailored for AI voice agents. It offers real-time transcription with a latency of just 350 milliseconds, making it ideal for applications where speed and accuracy are critical. The API supports over 55 languages, including various accents and dialects, ensuring broad applicability across different regions and languages.

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One of the standout features of Agent STT is its speaker diarization capability, which accurately attributes speech to individual speakers in multi-speaker environments. This is particularly useful for applications like customer service, where understanding who said what is crucial. Additionally, the API supports code-switching, allowing seamless transcription of conversations that switch between languages mid-sentence.

Agent STT is built on the Linden model, which is specifically designed for voice agents. It includes features like voice activity detection and turn signals, which help in managing conversations by detecting the start and end of speech. This functionality is essential for creating responsive and interactive voice agents.

The API is available for deployment in the cloud, on-premise, or on-device, providing flexibility depending on the user's needs. It is compliant with ISO 27001, GDPR, HIPAA, and SOC 2 Type II standards, ensuring data security and privacy.

Pricing for Agent STT starts at $0.30 per hour, with volume discounts reducing the cost to as low as $0.15 per hour as usage scales. New users can start with $100 in free credit, allowing them to explore the API's capabilities without an initial financial commitment. The API integrates with frameworks like LiveKit and Pipecat, or can be accessed directly via the API for maximum control.

Agent STT is designed for developers and businesses looking to enhance their AI voice agents with reliable and fast speech-to-text capabilities. Its comprehensive feature set and flexible deployment options make it a valuable tool for improving customer interactions and automating workflows.

  • CategoryAI Transcription Tools
  • Pricing ModelFreemium
  • DeploymentCloud, On-premise, On-device
  • PlatformsLiveKit, Pipecat

  • Real-time transcription with 350ms latency

  • Supports over 55 languages

  • Speaker diarization for multi-speaker environments

  • Code-switching across languages

  • Cloud, on-premise, and on-device deployment

  • ISO 27001, GDPR, HIPAA, and SOC 2 Type II compliance

  • Custom vocabulary support

  • Volume discounts available

  1. Sign up: Create an account on the Speechmatics portal

  2. Configure: Set up your API key and choose deployment options

  3. Use: Integrate Agent STT with your voice agent framework

  4. Optimize: Utilize custom vocabulary and speaker diarization features

  • Customer Service
  • Multilingual Support
  • Real-time Transcription
  • Speaker Identification
  • Custom Vocabulary

From Speechmatics

Agent STT: Speech-to-Text API for AI Voice Agents Reviews

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