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Tech riderRev. 1 Oct 2026

AssemblyAI

Ch 077.0of 43 Transcription Software
  1. 1Runs onAPI, self-hosted, Web
  2. 2CostsFree plan · paid from $0.15/mo
  3. 3Languages supported99 languages
  4. 4Speaker identificationYes
  5. 5Timestamp supportYes
  6. 6Export formatsSRT, VTT
  7. 7API accessYes
7 lines stated Written from the maker's own pages: assemblyai.com, support.assemblyai.com
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The AssemblyAI homepage

Overview

AssemblyAI is ranked #7 of 43 in transcription software on Specifiction. It runs on API, Self-hosted, Web. There is a free plan. Paid plans start at $0.15/mo.

AssemblyAI plans and pricing

All plans
Free credits Free $50 in audio credits · 5 new streaming connections per minute · 5 concurrent pre-recorded transcriptions support.assemblyai.com · 20 Sept 2026
Pay as you go — Universal-2 $0.15/mo Billed monthly based on actual usage; audio is prorated to the second 99 languages · 200+ concurrent pre-recorded transcriptions assemblyai.com · 20 Sept 2026
Pay as you go — Universal-3.5 Pro $0.21/mo Billed monthly based on actual usage; audio is prorated to the second 18 languages · 200+ concurrent pre-recorded transcriptions assemblyai.com · 20 Sept 2026
Pay as you go — Universal-Streaming $0.15/mo Billed monthly based on actual usage 5 new streams per minute on free accounts · 100+ starting sessions per minute on paid accounts assemblyai.com · 20 Sept 2026
Pay as you go — Universal-3.5 Pro Realtime $0.45/mo Billed monthly based on actual usage 18 languages · 100+ starting sessions per minute on paid accounts assemblyai.com · 20 Sept 2026
Free tier Free Up to 185 hours pre-recorded transcription · up to 333 hours streaming transcription · 5 new streaming connections per minute assemblyai.com · 1 Oct 2026

Compared on transcription software

Free plan
Noassemblyai.com
Languages supported
99 languagesassemblyai.com
Speaker identification
Yesassemblyai.com
Timestamp support
Yesassemblyai.com
Export formats
SRT, VTTassemblyai.com
API access
Yesassemblyai.com

Facts

What it does
AssemblyAI provides Voice AI models and APIs for speech-to-text, speech understanding, and voice applications.assemblyai.com · 1 Oct 2026
Language coverage
The platform states coverage across 99 languages and translation into 86 languages.assemblyai.com · 1 Oct 2026
Scale
AssemblyAI states that its platform processes more than 800 million API calls per month.assemblyai.com · 1 Oct 2026
Latency
AssemblyAI states sub-300ms latency for streaming and voice agents.assemblyai.com · 1 Oct 2026
Security
AssemblyAI offers TLS 1.2+ encryption in transit, AES-256 encryption at rest, zero data retention, and an opt-out from model training.assemblyai.com · 1 Oct 2026
Compliance
AssemblyAI maintains an annually audited SOC 2 Type 2 report and conducts annual third-party penetration tests.assemblyai.com · 1 Oct 2026
Deployment
Customers can run AssemblyAI in its managed cloud or self-host the models inside their own environment.assemblyai.com · 1 Oct 2026
Billing
Pay-as-you-go billing has no minimum commitments, upfront fees, contracts, or monthly subscription requirement, and invoices are generated monthly for prior usage.assemblyai.com · 1 Oct 2026
Developer support
AssemblyAI provides documentation, an API reference, cookbooks, support resources, a changelog, and a service-status page.assemblyai.com · 1 Oct 2026
SDKs
Official documentation provides Python and JavaScript SDK guidance.assemblyai.com · 1 Oct 2026

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Where it ranks on Specifiction

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Sources