Universal-3 Pro by AssemblyAI vs HappySRT vs OpenAI Whisper API

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Universal-3 Pro by AssemblyAI
vs
Competitor 1
HappySRT
Competitor 2
OpenAI Whisper API
Competitor 3
Suggested competitors for Universal-3 Pro by AssemblyAI: Deepgram92% Speechmatics | AI Voice Agents90% Google Cloud Speech-to-Text80% WhisperAPI80% Eden AI78% Soniox77% MacWhisper77% TurboScribe76%
Compare
3 tools · best value per row highlighted
Your tool Universal-3 Pro by AssemblyAI
assemblyai.com
Speech-to-text API built for accuracy at scale
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Competitor HappySRT
happysrt.com
Upload your file and get timestamped transcriptions back
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Competitor OpenAI Whisper API
platform.openai.com
OpenAI Whisper API is the speech-to-text service developers call to convert recorded audio into text.
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Traffic estimated monthly website traffic
Monthly visits
457.8Kvisits/mo
234visits/mo
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MoM change
▼ 12.0%
▼ 82.4%
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6-month growth
-16.3%
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Global rank web
#87,404
#11,961,777
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Avg. last 3 months
518.4K
794
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Bounce rate lower is better
37%
72%
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Pages / visit
4.0
1.1
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Visit duration
3m 12s
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Traffic sources
● Direct 91% · ● Referral 8%
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Universal-3 Pro by AssemblyAIHappySRTOpenAI Whisper API
0157.2K314.4K471.5K628.7KUniversal-3 Pro by AssemblyAI · 568.9KUniversal-3 Pro by AssemblyAI · 565KUniversal-3 Pro by AssemblyAI · 595.5KUniversal-3 Pro by AssemblyAI · 506.7KUniversal-3 Pro by AssemblyAI · 547.2KUniversal-3 Pro by AssemblyAI · 590.1KUniversal-3 Pro by AssemblyAI · 628.7KUniversal-3 Pro by AssemblyAI · 577KUniversal-3 Pro by AssemblyAI · 520.4KUniversal-3 Pro by AssemblyAI · 457.8KHappySRT · 320HappySRT · 1.7KHappySRT · 816HappySRT · 1.3KHappySRT · 2341001K10K100K1MUniversal-3 Pro by AssemblyAI · 568.9KUniversal-3 Pro by AssemblyAI · 565KUniversal-3 Pro by AssemblyAI · 595.5KUniversal-3 Pro by AssemblyAI · 506.7KUniversal-3 Pro by AssemblyAI · 547.2KUniversal-3 Pro by AssemblyAI · 590.1KUniversal-3 Pro by AssemblyAI · 628.7KUniversal-3 Pro by AssemblyAI · 577KUniversal-3 Pro by AssemblyAI · 520.4KUniversal-3 Pro by AssemblyAI · 457.8KHappySRT · 320HappySRT · 1.7KHappySRT · 816HappySRT · 1.3KHappySRT · 234Nov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Free
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Starting price
Free tier
Free
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Free tier
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Free trial
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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
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gpt-transcribe Customgpt-4o-transcribe Customgpt-4o-mini-transcribe Customgpt-realtime-whisper Custom
Capabilities input → output
Input
Audio
AudioVideo
Audio
Output
Text
Text
Text
Skill level
Advanced
Beginner-friendly
Advanced
Categories
Development & CodeVoice & SpeechAI APIAI Transcription
Education & LearningVoice & SpeechWriting & ContentAI Subtitle Generator+3 more
Development & CodeVoice & SpeechAI APIAI Transcription
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
8
8
Transcription
APIs
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Podcast transcription
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Video subtitles
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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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Audio translation
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Call transcriptions
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Developer tools
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Meeting transcription
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Subtitle translation
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
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.