Universal-3 Pro by AssemblyAI vs Speechmatics | AI Voice Agents vs OpenAI Whisper API vs TurboScribe
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Universal-3 Pro by AssemblyAI
vs
Universal-3 Pro by AssemblyAI
Competitor 1
Speechmatics | AI Voice Agents
Speechmatics | AI Voice Agents
Competitor 2
OpenAI Whisper API
OpenAI Whisper API
Competitor 3
TurboScribe
TurboScribeCompare
4 tools · best value per row highlighted
Your tool
Universal-3 Pro by AssemblyAI
Universal-3 Pro by AssemblyAI
assemblyai.com
Speech-to-text API built for accuracy at scale
Competitor
Speechmatics | AI Voice Agents
Speechmatics | AI Voice Agents
speechmatics.com
Sub-second speech-to-text across 55+ languages with AI voice agents
Competitor
OpenAI Whisper API
OpenAI Whisper API
platform.openai.com
OpenAI Whisper API is the speech-to-text service developers call to convert recorded audio into text.
Competitor
TurboScribe
TurboScribe
turboscribe.ai
TurboScribe converts audio and video recordings to text using Whisper-based speech recognition.
Traffic estimated monthly website traffic
Monthly visits
457.8Kvisits/mo
276.5Kvisits/mo
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MoM change
▼ 12.0%
▼ 8.9%
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6-month growth
-16.3%
+26.7%
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Global rank web
#87,404
#155,675
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Avg. last 3 months
518.4K
278.4K
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Bounce rate lower is better
37%
43%
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Pages / visit
4.0
3.2
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Visit duration
3m 12s
1m 55s
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Traffic sources
● Direct 91% · ● Referral 8%
● Direct 87% · ● Referral 12%
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Universal-3 Pro by AssemblyAISpeechmatics | AI Voice AgentsOpenAI Whisper APITurboScribe
Pricing
Model
Freemium
Freemium
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Freemium
Starting price
Free tier
Free tier
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$10per month · free tier available
Free tier
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Free trial
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–
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API access
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Plans
Free Trial FreePay-as-you-go Universal-2 $0.15/moPay-as-you-go Universal-3.5 Pro $0.21/mo
Free FreePro $0.13
gpt-transcribe Customgpt-4o-transcribe Customgpt-4o-mini-transcribe Customgpt-realtime-whisper Custom
Free FreeUnlimited $20/mo
Capabilities input → output
Input
Audio
Audio
Audio
AudioWeb pagesVideo
Output
Text
Text
Text
Text
Skill level
Advanced
Advanced
Advanced
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
3
3
4
2
Transcription
APIs
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Podcast transcription
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Voice agents
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Subtitle translation
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Call transcriptions
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.