Universal-3 Pro by AssemblyAI vs WhisperAPI vs TalkToText vs Speechmatics | AI Voice Agents

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
WhisperAPI
Competitor 2
TalkToText
Competitor 3
Speechmatics | AI Voice Agents
Compare
4 tools · best value per row highlighted
Your tool Universal-3 Pro by AssemblyAI
assemblyai.com
Speech-to-text API built for accuracy at scale
Remove
Competitor WhisperAPI
whisper-api.com
WhisperAPI lets you upload 10GB video files
Make main Remove
Competitor TalkToText
talktotext.ai
Voice transcription software that runs system-wide across any application with a single hotkey
Make main Remove
Competitor Speechmatics | AI Voice Agents
speechmatics.com
Sub-second speech-to-text across 55+ languages with AI voice agents
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
457.8Kvisits/mo
27.3Kvisits/mo
182visits/mo
276.5Kvisits/mo
MoM change
▼ 12.0%
▲ 10.3%
▼ 36.4%
▼ 8.9%
6-month growth
-16.3%
+41.8%
—
+26.7%
Global rank web
#87,404
#1,130,497
—
#155,675
Avg. last 3 months
518.4K
25.6K
374
278.4K
Bounce rate lower is better
37%
40%
49%
43%
Pages / visit
4.0
1.7
1.0
3.2
Visit duration
3m 12s
14s
—
1m 55s
Traffic sources
● Direct 91% · ● Referral 8%
—
—
● Direct 87% · ● Referral 12%
Universal-3 Pro by AssemblyAIWhisperAPITalkToTextSpeechmatics | AI Voice Agents
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 · 457.8KWhisperAPI · 17.8KWhisperAPI · 25.7KWhisperAPI · 26.6KWhisperAPI · 19.2KWhisperAPI · 23.8KWhisperAPI · 25.8KWhisperAPI · 24.8KWhisperAPI · 24.7KWhisperAPI · 27.3KTalkToText · 88TalkToText · 655TalkToText · 286TalkToText · 182Speechmatics | 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 · 276.5K101001K10K100K1MUniversal-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 · 457.8KWhisperAPI · 17.8KWhisperAPI · 25.7KWhisperAPI · 26.6KWhisperAPI · 19.2KWhisperAPI · 23.8KWhisperAPI · 25.8KWhisperAPI · 24.8KWhisperAPI · 24.7KWhisperAPI · 27.3KTalkToText · 88TalkToText · 655TalkToText · 286TalkToText · 182Speechmatics | 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 · 276.5KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Free Trial
Freemium
Starting price
Free tier
$10per month · free tier available
$12per month
Free tier
Free tier
–
Free trial
–
API access
–
–
–
Plans
Free Trial FreePay-as-you-go Universal-2 $0.15/moPay-as-you-go Universal-3.5 Pro $0.21/mo
Free Trial FreePay-As-You-Go (40 credits) $10Pay-As-You-Go (100 credits) $20Pay-As-You-Go (200 credits) $30+1 more
Monthly $19/moYearly $15/moTeam $12/mo
Free FreePro $0.13
Capabilities input → output
Input
Audio
AudioVideo
Audio
Audio
Output
Text
Text
Text
Text
Skill level
Advanced
Advanced
Beginner-friendly
Advanced
Categories
Development & CodeVoice & SpeechAI APIAI Transcription
Voice & SpeechWriting & ContentAI Subtitle GeneratorAI Transcription
Voice & SpeechWriting & ContentAI TranscriptionAI Writing Assistants
Development & CodeVoice & SpeechAI APIAI Transcription
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
3
1
2
3
Transcription
APIs
–
–
Voice agents
–
–
–
Voice writing
–
–
–
Podcast transcription
–
–
–
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
–
–
–
–

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.