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Tools/Retell AI/vs Whisper
Retell AI

Retell AI

ai-speech
vs
Whisper

Whisper

ai-speech

Retell AI vs Whisper — Comparison

15 integrations10 featuresSeed
Pain: 1/10015 integrations8 featuresVenture (Round not Specified)
Overview
What each tool does and who it's for

Retell AI

Build, test, deploy, and monitor production-ready AI voice agents at scale with ease, boosting efficiency and performance across your operations.

User reviews and social mentions of Retell AI are sparse but suggest a specific niche usage, particularly in phone-based AI interactions. The tool seems to benefit from integration with Claude and is highlighted for its voice agent capabilities, allowing multitasking by managing AI sessions remotely, which is seen as a unique strength. However, there is no available feedback on specific complaints or issues with the service, making it difficult to gauge potential weaknesses. There is also no direct information on pricing sentiment, but the discussions surrounding its features indicate a positive overall reputation for innovation and utility.

Whisper

We’ve trained and are open-sourcing a neural net called Whisper that approaches human level robustness and accuracy on English speech recognition.

Whisper is praised for its robust transcription capabilities, receiving consistently high ratings from users on G2, with most ratings between 4.5 and 5 stars. Some users have expressed confusion regarding the context functionality and its impact on outputs, indicating room for improvement in user guidance or features. While there are no direct mentions of pricing concerns in the reviews, there is a pricing update noted on GitHub, suggesting ongoing adjustments. Overall, Whisper enjoys a strong reputation for its transcription accuracy and performance, though its contextual features might need more clarity.

Key Metrics
—
Avg Rating
4.6★ (19)
1
Mentions (30d)
18
—
GitHub Stars
97,088
—
GitHub Forks
11,974
Mention Velocity
How discussion volume is trending week-over-week

Retell AI

Stable week-over-week

Whisper

+400% vs last week
Where People Discuss
Mention distribution across platforms

Retell AI

YouTube
63%
Reddit
38%

Whisper

Reddit
90%
YouTube
7%
Rss
1%
GitHub
1%
Community Sentiment
How developers feel about each tool based on mentions and reviews

Retell AI

0% positive100% neutral0% negative

Whisper

15% positive84% neutral1% negative
Pricing

Retell AI

usage-based + subscription + contract + tieredFree tier

Pricing found: $0,, $10, $0.07, $0.31 / min, $0.002

Whisper

tiered
Use Cases
When to use each tool

Retell AI (8)

Customer support automationAppointment schedulingOrder processing and trackingLead generation and qualificationPersonalized marketing interactionsSurvey and feedback collectionTechnical support assistanceTelehealth consultations

Whisper (8)

Transcribing meetings and lecturesGenerating subtitles for videosVoice command recognition for applicationsCreating voice-activated assistantsTranscribing podcasts and audio contentFacilitating accessibility for hearing-impaired usersLanguage learning and practiceData collection for research purposes
Features

Only in Retell AI (10)

IVR Voice AgentIVA Voice Agent3rd Gen Voice AILowest LatencyUltra Realistic VoiceTurn takingHigh Configurable Agentic FrameworkReal-Time Function Calling with Preset FunctionsStreaming RAG for knowledge and auto Sync capabilityVoice Call

Only in Whisper (8)

Multilingual speech recognitionRobustness to accents and dialectsNoise resilience for clear transcriptionReal-time transcription capabilitiesSupport for various audio formatsOpen-source model for customizationFine-tuning options for specific domainsAutomatic language detection
Integrations

Only in Retell AI (15)

SalesforceZendeskShopifyTwilioSlackMicrosoft TeamsGoogle CalendarHubSpotAmazon ConnectZapierStripeMailchimpServiceNowJiraQuickBooks

Only in Whisper (15)

Slack for team communicationZoom for meeting transcriptionsGoogle Drive for file storageMicrosoft Teams for collaborationTrello for project managementNotion for documentationWordPress for content creationDiscord for community engagementSpotify for podcast servicesYouTube for video contentAWS for cloud computingAzure for enterprise solutionsTwilio for voice applicationsZapier for workflow automationWebflow for website development
Developer Ecosystem
—
GitHub Repos
238
—
GitHub Followers
116,688
—
npm Packages
20
—
HuggingFace Models
40
What Users Say
Top reviews from G2, Capterra, and TrustRadius

Retell AI

No reviews yet

Whisper

What do you like best about OpenAI Whisper?OpenAI Whisper is one of the best open source STT model that is very is to integrate into our applications. Implementation of Whiper is also very easy as we can use it without any api keys or credits. We can simple download the model and access the services simply. Review collected by and hosted on G2.com.What do you dislike about OpenAI Whisper?OpenAI Whisper is sometimes slow for real world applications and realtime audio streaming. Review collected by and hosted on G2.com.

5.0\u2605Sai pavan kumar D.g2

What do you like best about OpenAI Whisper?The feature I like best is that I have built an app that uses voice recognition to speak to customers. Customers can speak instead of typing a message. OpenAi also transcribes the conversation with clients when we book appointments and it takes notes of the meeting. Also use the transcribe feature to capture leads while driving. Translation feature is also pretty good. Still strugling a bit from Afrikaans to English tho! Review collected by and hosted on G2.com.What do you dislike about OpenAI Whisper?One thing I dislike is that audio input is sometimes a bit short. When user talks it sometimes cut them off and interupts by talking over the customer before customer finishes their input. Review collected by and hosted on G2.com.

5.0\u2605Kevin K.g2

What do you like best about OpenAI Whisper?What we like most about OpenAI Whisper is its high accuracy and strong multilingual support. It performs well with different accents and noisy audio, making it reliable for real-world recordings. The setup is simple with clear documentation and CLI/API options, and it integrates smoothly into existing development and media-processing workflows. Review collected by and hosted on G2.com.What do you dislike about OpenAI Whisper?Some limitations of OpenAI Whisper include higher compute requirements for large files and slower processing for long audio. Speaker diarization and real-time transcription capabilities could also be improved to better support live and large-scale production use. Review collected by and hosted on G2.com.

5.0\u2605Nabin P.g2
Pain Points
Top complaints from reviews and social mentions

Retell AI

No complaints found

Whisper

token cost (2)API costs (1)openai (1)gpt (1)
Top Discussion Keywords
Most mentioned keywords from community discussions

Retell AI

No data

Whisper

token cost (2)API costs (1)openai (1)gpt (1)
Latest Videos
Recent uploads from official YouTube channels

Retell AI

Agent Handbooks are Live

Agent Handbooks are Live

Apr 9, 2026

Subagent Nodes are live!

Subagent Nodes are live!

Apr 7, 2026

Code Nodes are live on Retell

Code Nodes are live on Retell

Apr 2, 2026

Copy, paste, and undo shortcuts are live 🚀

Copy, paste, and undo shortcuts are live 🚀

Mar 19, 2026

Whisper

No YouTube channel

Product Screenshots

Retell AI

Retell AI screenshot 1Retell AI screenshot 2Retell AI screenshot 3Retell AI screenshot 4

Whisper

Whisper screenshot 1
What People Talk About
Most discussed topics from community mentions

Retell AI

Whisper

model selection11
open source8
performance7
api7
deployment7
cost optimization6
pricing5
streaming4
Top Community Mentions
Highest-engagement mentions from the community

Retell AI

Retell AI AI

Retell AI AI

YouTubeneutral source

Whisper

Whisper AI

Whisper AI

YouTubeneutral source
Company Intel
information technology & services
Industry
research
110
Employees
8,700
$4.7M
Funding
$172.8B
Seed
Stage
Venture (Round not Specified)
Supported Languages & Categories

Shared (1)

Security

Only in Retell AI (4)

AI/MLFinTechDevOpsAnalytics

Only in Whisper (1)

Developer Tools
View Retell AI Profile View Whisper Profile