OpenAI Whisper API vs WhisperAPI 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
WhisperAPI
Competitor 2
Universal-3 Pro by AssemblyAI
Competitor 3
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.
Competitor WhisperAPI
whisper-api.com
WhisperAPI lets you upload 10GB video files
Competitor Universal-3 Pro by AssemblyAI
assemblyai.com
Speech-to-text API built for accuracy at scale
Traffic estimated monthly website traffic
Monthly visits
—
27.3Kvisits/mo
457.8Kvisits/mo
MoM change
—
▲ 10.3%
▼ 12.0%
6-month growth
—
+41.8%
-16.3%
Global rank web
—
#1,130,497
#87,404
Avg. last 3 months
—
25.6K
518.4K
Bounce rate lower is better
—
40%
37%
Pages / visit
—
1.7
4.0
Visit duration
—
14s
3m 12s
Traffic sources
—
—
● Direct 91% · ● Referral 8%
OpenAI Whisper APIWhisperAPIUniversal-3 Pro by AssemblyAI
0157.2K314.4K471.5K628.7KWhisperAPI · 17.8KWhisperAPI · 25.7KWhisperAPI · 26.6KWhisperAPI · 19.2KWhisperAPI · 23.8KWhisperAPI · 25.8KWhisperAPI · 24.8KWhisperAPI · 24.7KWhisperAPI · 27.3KUniversal-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 · 457.8K10K100K1MWhisperAPI · 17.8KWhisperAPI · 25.7KWhisperAPI · 26.6KWhisperAPI · 19.2KWhisperAPI · 23.8KWhisperAPI · 25.8KWhisperAPI · 24.8KWhisperAPI · 24.7KWhisperAPI · 27.3KUniversal-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
—
Freemium
Freemium
Starting price
—
$10per month · free tier available
Free tier
Free tier
–
Free trial
–
API access
–
Plans
gpt-transcribe Customgpt-4o-transcribe Customgpt-4o-mini-transcribe Customgpt-realtime-whisper Custom
Free Trial FreePay-As-You-Go (40 credits) $10Pay-As-You-Go (100 credits) $20Pay-As-You-Go (200 credits) $30+1 more
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
AudioVideo
Audio
Output
Text
Text
Text
Skill level
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
4
1
3
Transcription
APIs
–
Podcast transcription
–
Call transcriptions
–
–
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
–
–
–

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.