Kaldi
The gold-standard open-source framework for professional-grade custom speech recognition and acoustic modeling.
Updated 12d ago
Has API
PricingFree
Free
Automatic Speech Recognition
Speaker Diarization
Keyword Spotting
Gladia
4.8
Free Highly praised for its speed and multi-language handling. Developers prefer its API documentation over competitors.
Enterprise-grade Audio Intelligence API for real-time transcription and deep sentiment analysis.
Free pricingAPI availableUpdated 2026-03-17
Best fits
Real-time TranscriptionAudio-to-Text Asynchronous
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About Gladia
Gladia is a high-performance audio intelligence platform engineered for developers and enterprises requiring ultra-low latency transcription and multi-dimensional audio analysis. Built on a proprietary orchestration layer that optimizes OpenAI’s Whisper models alongside specialized internal neural networks, Gladia achieves sub-300ms latency for live streaming and exceptional Word Error Rate (WER) scores even in noisy environments. By 2026, Gladia has solidified its position as the go-to infrastructure for the 'Voice-First' economy, providing seamless handling of code-switching (multi-language detection within a single stream), speaker diarization, and LLM-driven post-processing such as automated summarization and sentiment scoring. Its architecture is specifically designed for high-concurrency environments like call centers, virtual meeting platforms, and media localization houses. The platform bridges the gap between raw audio data and actionable business intelligence through a robust API that supports both asynchronous file processing and bi-directional WebSocket streaming, making it a critical component for AI agents that require real-time auditory perception.
Core Capabilities
Gladia is a high-performance audio intelligence platform engineered for developers and enterprises requiring ultra-low latency transcription and multi-dimensional audio analysis.
