OpenAI Whisper API vs Speechmatics | AI Voice Agents vs Universal-3 Pro by AssemblyAI

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

Your tool
OpenAI Whisper API
vs
Competitor 1
Speechmatics | AI Voice Agents
Competitor 2
Universal-3 Pro by AssemblyAI
Competitor 3
Suggested competitors for OpenAI Whisper API: Deepgram86% Google Cloud Speech-to-Text84% Eden AI83% MacWhisper83% TurboScribe83% NeatScribe83% Microsoft Azure AI Speech82% Turbo Transcription AI82%
Compare
3 tools · best value per row highlighted
Your tool 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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Competitor Speechmatics | AI Voice Agents
speechmatics.com
Sub-second speech-to-text across 55+ languages with AI voice agents
Make main Remove
Competitor Universal-3 Pro by AssemblyAI
assemblyai.com
Speech-to-text API built for accuracy at scale
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
276.5Kvisits/mo
457.8Kvisits/mo
MoM change
—
▼ 8.9%
▼ 12.0%
6-month growth
—
+26.7%
-16.3%
Global rank web
—
#155,675
#87,404
Avg. last 3 months
—
278.4K
518.4K
Bounce rate lower is better
—
43%
37%
Pages / visit
—
3.2
4.0
Visit duration
—
1m 55s
3m 12s
Traffic sources
—
● Direct 87% · ● Referral 12%
● Direct 91% · ● Referral 8%
OpenAI Whisper APISpeechmatics | AI Voice AgentsUniversal-3 Pro by AssemblyAI
0157.2K314.4K471.5K628.7KSpeechmatics | AI Voice Agents · 170.8KSpeechmatics | AI Voice Agents · 190.6KSpeechmatics | AI Voice Agents · 185.2KSpeechmatics | AI Voice Agents · 218.3KSpeechmatics | AI Voice Agents · 202KSpeechmatics | AI Voice Agents · 206.5KSpeechmatics | AI Voice Agents · 255.1KSpeechmatics | AI Voice Agents · 303.5KSpeechmatics | AI Voice Agents · 276.5KUniversal-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 · 457.8K100K1MSpeechmatics | AI Voice Agents · 170.8KSpeechmatics | AI Voice Agents · 190.6KSpeechmatics | AI Voice Agents · 185.2KSpeechmatics | AI Voice Agents · 218.3KSpeechmatics | AI Voice Agents · 202KSpeechmatics | AI Voice Agents · 206.5KSpeechmatics | AI Voice Agents · 255.1KSpeechmatics | AI Voice Agents · 303.5KSpeechmatics | AI Voice Agents · 276.5KUniversal-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 · 457.8KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
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Freemium
Freemium
Starting price
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Free tier
Free tier
Free tier
–
Free trial
–
–
API access
–
–
Plans
gpt-transcribe Customgpt-4o-transcribe Customgpt-4o-mini-transcribe Customgpt-realtime-whisper Custom
Free FreePro $0.13
Free Trial FreePay-as-you-go Universal-2 $0.15/moPay-as-you-go Universal-3.5 Pro $0.21/mo
Capabilities input → output
Input
Audio
Audio
Audio
Output
Text
Text
Text
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeVoice & SpeechAI APIAI Transcription
Development & CodeVoice & SpeechAI APIAI Transcription
Development & CodeVoice & SpeechAI APIAI Transcription
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
4
3
3
Transcription
APIs
Podcast transcription
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Voice agents
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–
Call transcriptions
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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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–
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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.