Transcribe audio

Speechmatics

Speech-to-text API that transcribes recorded files and live audio streams into text with timings and speaker labels.

Billing

Pricing model
Pay as you go, credit packs or subscription; credits at $1 each, billed per second2
Free tier
$100 credit grant for new sign-ups3
Card required for free tier
No3
Minimum spend
Not published
Billing period
Monthly; usage beyond granted credits is charged on the first of the next month3
Credit expiry
Sign-up bonus, credit-pack and annual subscription credits last 12 months; monthly subscription credits last 2 months2

Prices

Rates as listed per hour of audio; billed to the exact second. Linden 1 realtime shows two prices on the page, $0.20 and $0.15, and the page does not say which applies.

ModelPre-recorded ($/hour)Real-time ($/hour)
Melia 1 (multilingual)$0.12$0.20
Enhanced$0.38$0.40
Standard$0.23$0.23
Oak 1 (medical)$0.15$0.23
Linden 1 (voice agents)Not offered$0.20 and $0.15 both shown

Source1Pricing

Plans

PlanDetails
Free$100 credit grant, no card; 2 concurrent realtime sessions; API access pauses when credits run out
ProPay as you go on a card; 50 concurrent realtime sessions; volume and model-training discounts
EnterpriseContract billing; custom limits; on-prem and on-device deployment

Source3Plans

Other charges

Model-training discount
33% off speech-to-text rates if you allow audio and transcripts to be used to improve models1
Volume discount
Up to 25% off, applied automatically above 500 hours a month per product type3
Add-ons, pre-recorded
Translation $0.49/hr; Chapters $0.30/hr; Topics $0.15/hr; Summaries $0.09/hr; Sentiment $0.09/hr1
Text to speech
$0.011 per 1,000 characters1

Read from Speechmatics’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/transcribe-audio/speechmatics.md