Speechmatics by Speechmatics

Speech to text transcription from audio or video files and live streams.

Price

Free plan

then from $0.12/hr

Free tier

Yes

$100 in credits

SDK downloads

—

no official SDK package

Status

—

no public status page

Pricing

Free tier	$100 in credits
Cheapest paid plan	—
Usage price	$0.12/hr for pre-recorded audio (Melia 1 model)
Good to know	Added automatically: a well-known API in its category. Prices read from the official pricing page.

From the official pricing page, checked Oct 10, 2026. Prices change: confirm before you buy.

MCP server	None found

API	Free	Price	SDK downloads / wk	GitHub stars	MCP
ElevenLabs Text-to-speech, speech-to-text (Scribe), voice cloning and conversational voice-agent APIs.	Free plan: 10,000 TTS characters/month (v4)	Free plan · paid from $6/mo	3.2M	3,135	MCP
Deepgram Real-time and batch speech-to-text, text-to-speech and voice-agent APIs.	$200 credit, no credit card	Free plan then Nova-3 streaming $0.0048/min (promo; regular $0.0077);...	1.7M	469	MCP
AssemblyAI Speech-to-text API (batch and streaming) with diarization, speech understanding and voice agents.	Up to 185 hours pre-recorded and 333 hours...	Free plan then Universal-2 $0.15/hour; Universal-3.5 Pro $0.21/hour;...	1.3M	213	MCP
Cartesia Low-latency text-to-speech (Sonic), speech-to-text (Ink) and managed voice agents.	20K credits/month + $1 prepaid for agents	Free plan · paid from $5/mo	286K	134	MCP
Gladia Multilingual speech-to-text API with real-time and async transcription.	50€ in free credits (one-time, ~80+ hours...	Free plan then Async at $0.61/hr, Real-time at $0.75/hr (Starter);...	—	—
Groq Speech-to-Text (Whisper) Hosted Whisper Large V3 and V3 Turbo transcription and translation, billed per hour of audio.	Free tier with rate limits (25 MB files)	Free plan then Whisper Large V3 Turbo $0.04/hour; Whisper Large V3...	—	—