Universal-3 Pro by AssemblyAI vs Deepgram vs Speechmatics | AI Voice Agents vs HappySRT
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
Deepgram
Deepgram
Competitor 2
Speechmatics | AI Voice Agents
Speechmatics | AI Voice Agents
Competitor 3
HappySRT
HappySRTCompare
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
Deepgram
Deepgram
deepgram.com
Deepgram is a voice AI platform that exposes speech-to-text, text-to-speech and conversational agents through APIs.
Competitor
Speechmatics | AI Voice Agents
Speechmatics | AI Voice Agents
speechmatics.com
Sub-second speech-to-text across 55+ languages with AI voice agents
Traffic estimated monthly website traffic
Monthly visits
457.8Kvisits/mo
—
276.5Kvisits/mo
234visits/mo
MoM change
▼ 12.0%
—
▼ 8.9%
▼ 82.4%
6-month growth
-16.3%
—
+26.7%
—
Global rank web
#87,404
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#155,675
#11,961,777
Avg. last 3 months
518.4K
—
278.4K
794
Bounce rate lower is better
37%
—
43%
72%
Pages / visit
4.0
—
3.2
1.1
Visit duration
3m 12s
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1m 55s
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Traffic sources
● Direct 91% · ● Referral 8%
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● Direct 87% · ● Referral 12%
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Universal-3 Pro by AssemblyAIDeepgramSpeechmatics | AI Voice AgentsHappySRT
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
Free tier
Free tier
Free tier
Free
Free tier
Free trial
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API access
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–
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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
Pay As You Go CustomGrowth $4,000/yrEnterprise Custom
Free FreePro $0.13
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Capabilities input → output
Input
Audio
AudioText
Audio
AudioVideo
Output
Text
AudioText
Text
Text
Skill level
Advanced
Advanced
Advanced
Beginner-friendly
Categories
Tasks what each tool can do · 1 shared · core partial
Tasks covered
3
9
3
8
Transcription
APIs
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Voice agents
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Text to speech
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Video subtitles
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Developer tools
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Multilingual subtitle creation
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Speech recognition
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Summarizing
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Translations
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Video transcription
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YouTube transcription
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Call transcriptions
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Podcast transcription
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Speech synthesis
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Subtitle translation
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Voice assistance
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Who it's for roles each tool is built for · 0 shared · primary also fits
Audience
5roles
5roles
6roles
5roles
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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.