DirectoryAI & Machine Learning
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Universal-3.5 Pro

With AssemblyAI

Universal-3.5 Pro screenshot, image 1

Overview

AI summary

AssemblyAI offers a comprehensive platform for building voice AI applications, providing various APIs for speech-to-text and voice agent functionalities. It emphasizes scalability, accuracy, and ease of integration, catering to developers looking to incorporate voice capabilities into their products.

Sources behind this listingSee source links, recorded dates and owner corrections.

Observed facts come from public pages. Founder-edited facts are supplied by the verified owner. AI-inferred facts are model interpretations; derived facts are calculated from other data. A source link lets you check the current page. It does not guarantee the fact is still current.

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TaglineWith AssemblyAI
ObservedRecorded Source: www.assemblyai.com
DescriptionWith AssemblyAI
ObservedRecorded Source: www.assemblyai.com
Free planNot stated
Source not recordedDate not recordedSource link unavailable
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
Pricing modelusage
AI-inferredRecorded Source: www.assemblyai.com
IntegrationsClickUp, Linear
ObservedRecorded Source: www.assemblyai.com
Plan: Universal-3.5 ProCustom
AI-inferredRecorded Source: www.assemblyai.com
Plan: Universal-2Custom
AI-inferredRecorded Source: www.assemblyai.com
Plan: Voice Agent APICustom
AI-inferredRecorded Source: www.assemblyai.com
Plan: Dictation APICustom
AI-inferredRecorded Source: www.assemblyai.com
SummaryAssemblyAI offers a comprehensive platform for building voice AI applications, providing various APIs for speech-to-text and voice agent functionalities. It emphasizes scalabili...
AI-inferredRecorded Source link unavailable

Pricing

Pricing recorded 15 September 2026Pricing page
Universal-3.5 Pro
Custom
  • The most accurate async speech-to-text model
  • Transcribes every conversation exactly as it's heard
  • Works across 18 languages
Universal-2
Custom
  • Highly accurate speech-to-text model
  • Trained on over 12.5 million hours of audio data
  • Supports 99 languages
Voice Agent API
Custom
  • Managed orchestration and hosting for production voice agents
  • Low latency, reliable at scale
  • Priced for production volume
Dictation API
Custom
  • Voice input for any app
  • Send one spoken utterance and get back text
  • Built on Universal-3.5 Pro across 19 languages
Enterprise tierFree tier: Try our API for free, pay-as-you-go after that.

Who Is It For

Best for

Developers and businesses seeking to integrate advanced voice AI features into their applications, particularly those requiring real-time and pre-recorded speech-to-text capabilities.

Strengths & Weaknesses

Biggest strength

AssemblyAI's platform is designed for scalability, with no concurrency limits and the ability to handle large volumes of audio processing, making it suitable for businesses of varying sizes.

Biggest weakness

Pricing information is not visible, which may hinder potential users from assessing affordability (AI-inferred; may be outdated. Founders can correct this)

Classification

Likely competitors
Google Cloud Speech-to-TextMicrosoft Azure Speech ServiceIBM Watson Speech to Text

Alternatives to Universal-3.5 Pro

See all alternatives to Universal-3.5 Pro

Community

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How we sourced this: Observed fields () were crawled from https://www.assemblyai.com/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 15 September 2026. Site availability checked: 14 September 2026. Is this your tool? Claim it to edit and get a do-follow badge.