AI Voice, Audio & Music

DE

Deepgram

4.6/5.01 verified review

Freemium

Voice AI platform for real-time speech-to-text, text-to-speech, and voice agents

• Extremely low latency for bidirectional audio streaming
• Unified APIs combining STT, TTS, and LLM orchestration
• Deployment flexibility including managed cloud and in-VPC options

EL

ElevenLabs

4.5/5.01 verified review

Freemium

Generative AI voice platform for hyper-realistic text-to-speech and agents

• Extremely natural and emotionally expressive voice synthesis models
• Comprehensive APIs and SDKs for native backend workflow integration
• Extensive multilingual support across more than 70 to 90 languages

NN

NVIDIA Nemotron

4.5/5.01 verified review

Free·Open Source·Apache-2.0

Open speech language model for intelligent transcription across 40 languages

• Supports transcription in 40 languages using natural language instructions
• Includes speaker attribution and word-level timestamps out of the box
• Open model weights available for research and commercial utilization

18.7kstars on GitHub

AS

AssemblyAI

4.5/5.01 verified review

Paid

AI speech models API for transcription, voice understanding, and audio intelligence.

• High accuracy speech recognition models supporting multiple languages.
• Real-time streaming transcription capabilities via WebSockets.
• Advanced speaker diarization and speech understanding features.

SP

Speechmatics

4.4/5.01 verified review

Freemium·Open Source·MIT

Voice AI APIs for enterprise-grade speech-to-text and transcription in 55+ languages.

• High accuracy with diverse accents.
• Flexible deployment options.
• Comprehensive enterprise compliance.

164stars on GitHub

KR

Krisp

4.4/5.01 verified review

Freemium

Voice AI platform for noise cancellation and automated meeting transcription

• Highly effective real-time two-way background noise cancellation
• Automated transcription and summaries without intrusive bots
• Universal compatibility with any conference application

HE

HeyGen

4.4/5.01 verified review

Freemium

AI video platform for creating, translating, and personalising videos using AI avatars and voice cloning.

• High identity consistency in synthetic avatars and realistic micro-expressions.
• Extensive multilingual translation and automated dubbing support in over 175 languages.
• Intuitive interface that reduces audiovisual production time to mere minutes.

BL

Bland

4.4/5.01 verified review

Contact Sales

Enterprise voice AI platform for automated phone conversations at scale

• Proprietary stack spanning telephony, STT, LLM, TTS, and pathway orchestration
• Sub-second response latency for natural conversational flows
• Enterprise-grade security and strict compliance standards for regulated industries

LO

LoudLAB

4.3/5.01 verified review

Paid

System audio control center and per-app volume mixer for macOS.

• Independent volume control per individual application running on macOS.
• Native execution without kernel extensions or system reboots.
• Perpetual one-time purchase license without forced subscription models.

RA

Retell AI

4.3/5.01 verified review

Paid

AI voice agent platform for low-latency automated phone calls.

• Sub-second response latency for natural conversations.
• Advanced interruption handling during voice interactions.
• HIPAA and SOC 2 compliance.

WE

WellSaid

4.3/5.01 verified review

Paid·$59/mo

High-fidelity AI voice generator for professional media and corporate production workflows.

• High fidelity synthetic voices with adjustable accents and styles.
• Models trained using professional voice actor licenses.
• Governance controls and intellectual property protection.

SU

Suno

4.3/5.01 verified review

Freemium

AI music generation platform to create original songs from text prompts.

• Rapid generation of complete songs with realistic vocals and instrumentation.
• Intuitive interface accessible from web browsers and dedicated mobile applications.
• Freemium model allowing users to test composition capabilities without upfront costs.