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Head-to-head · Speech-to-Text Software

AssemblyAI vs Buzz

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score AssemblyAI #3 in Speech-to-Text Software 9.0/10 Paid ✓ 2 of 5 features Visit AssemblyAI
Buzz #7 in Speech-to-Text Software 8.4/10 Free plan Free plan✓ 1 of 5 features Visit Buzz

AssemblyAI leads on 0 checks, Buzz on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAssemblyAI · 9.0/10
  • Free planonly Buzz
  • Most featuresAssemblyAI · 2 of 5

AssemblyAI scores higher on our rubric for speech-to-text software: 9.0 against 8.4 out of 10; our editors rank them #3 and #7.

Buzz offers free plan; AssemblyAI doesn't.

AssemblyAI is the better fit for API builders needing rich speech intelligence. Buzz is the better fit for free desktop transcription and automation.

  • AssemblyAI fits best

    API builders needing rich speech intelligence

  • Buzz fits best

    Free desktop transcription and automation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature AssemblyAI 9.0/10 Visit ↗ Buzz 8.4/10 Visit ↗
At a glance
Editor score 9.0 8.4
Ranking #3 in Speech-to-Text Software #7 in Speech-to-Text Software
Best for API builders needing rich speech intelligence Free desktop transcription and automation
Pricing model Paid Free
Starting price $0.15/unit usage-based Free plan
Free plan — ✓ (best)
Free trial — —
Deployment Cloud, Self-hosted Desktop
Platforms Web Windows, macOS, Linux
Support Email, Live chat, Community, Docs Docs, Community
Integrations 20 integrations 3 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business
Features AssemblyAI 2/5 · Buzz 1/5
Speaker labels ✓ ✓
API access ✓ (best) Not checked yet
Offline transcription Not checked yet Not checked yet
Mobile apps Not checked yet Not checked yet
Desktop apps Not checked yet Not checked yet
Specs
Capture modes Not checked yet Not checked yet
Supported languages 99 Not checked yet
Our review
Pros
  • 99 prerecorded transcription languages with Universal-2
  • Realtime WebSocket streaming plus diarization and word timestamps
  • Translation, sentiment, entities, and key phrase analysis
  • Runs on Windows, macOS, and Linux with local transcription workflows
  • Supports speaker identification, speech separation, and word-level timings
  • Exports TXT, SRT, and VTT files with watch folders and CLI automation
Cons
  • API-only platform with no listed non-API application
  • Free transcription is capped at 185 prerecorded hours
  • Pay-as-you-go pricing may require usage monitoring
  • Its primary workflow is desktop-based rather than a hosted transcription service
  • Remote speech recognition depends on optional OpenAI API use
  • Model and workflow choices may require technical setup for automation
Our verdict

AssemblyAI provides APIs that convert prerecorded and streaming audio into text and structured speech data. It is designed for developers and organizations building voice applications, including meeting transcription, call analytics, AI…

Read the review →

Buzz is an open-source desktop application for transcribing and translating audio locally on a personal computer. It is suited to people who want a free workflow across Windows, macOS, and Linux, whether they are processing recorded audio…

Read the review →
  1. AssemblyAISpeech-to-Text Software 9.0Paid
  2. BuzzSpeech-to-Text Software 8.4Free plan

Strengths and trade-offs

  • AssemblyAI — where it wins

    • 99 prerecorded transcription languages with Universal-2
    • Realtime WebSocket streaming plus diarization and word timestamps
    • Translation, sentiment, entities, and key phrase analysis

    Where it doesn't

    • API-only platform with no listed non-API application
    • Free transcription is capped at 185 prerecorded hours
    • Pay-as-you-go pricing may require usage monitoring

  • Buzz — where it wins

    • Runs on Windows, macOS, and Linux with local transcription workflows
    • Supports speaker identification, speech separation, and word-level timings
    • Exports TXT, SRT, and VTT files with watch folders and CLI automation

    Where it doesn't

    • Its primary workflow is desktop-based rather than a hosted transcription service
    • Remote speech recognition depends on optional OpenAI API use
    • Model and workflow choices may require technical setup for automation
  • AssemblyAI9.0/10 · Paid

    A developer-focused API with transcription, streaming, and speech intelligence at $0.15/hour.

    Visit AssemblyAIFull verdict →
  • Buzz8.4/10 · Free plan

    A free, open-source desktop app for local transcription, speaker labels, and automation.

    Visit BuzzFull verdict →

More comparisons

All Speech-to-Text software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update