V
Contact Center Software
Voicegain
Voicegain is a speech and voice AI platform offering transcription, speech analytics, telephony bots, MRCP ASR, and private deployment options.
$50 credit / one-time creditTechZella Directory
Best WebSocket API Software in 2026
List of WebSocket API Software | Last updated: September 15, 2026
Quick comparison
Best WebSocket API Software
| # | Software / Tool | Best For | TechZella Score | User Rating | Pricing |
|---|---|---|---|---|---|
| 1 | AssemblyAI | AssemblyAI provides APIs for speech-to-text, speech understanding, real-time transcription, voice agents, and… | 8.6/10 | — | $50 in credits / $0.15 per audio hour |
| 2 | Speechmatics | Speechmatics provides multilingual speech-to-text, text-to-speech and voice AI APIs for real-time, batch,… | 8.6/10 | — | $100 credit / From $0.129 per hour |
| 3 | Gladia | Gladia is an audio AI API for real-time and pre-recorded transcription, translation,… | 8.5/10 | — | $0.61 async; $0.75 real-time / From $0.20 async;… |
| 4 | Voicegain | Voicegain is a speech and voice AI platform offering transcription, speech analytics,… | 8.2/10 | — | $50 credit / $0.00020 per second |
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Best WebSocket API Software in 2026
G
AI Audio Intelligence
Gladia
Gladia is an audio AI API for real-time and pre-recorded transcription, translation, diarization, summarization and conversation analysis.
$0.61 async; $0.75 real-time / per audio hour
A
Audio Intelligence
AssemblyAI
AssemblyAI provides APIs for speech-to-text, speech understanding, real-time transcription, voice agents, and LLM access for audio applications.
$50 in credits / one-time introductory credit
S
Developer APIs
Speechmatics
Speechmatics provides multilingual speech-to-text, text-to-speech and voice AI APIs for real-time, batch, cloud, on-premises and on-device deployments.
$100 credit / usage credit