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Retell AI vs SoundWise.ai
API for building conversational voice AI, not a general transcription tool
Short answer: Pick Retell AI if you want low-latency AI voice agents for phone calls; pick SoundWise.ai if you want unlimited free browser transcription. Both have a free plan.
Retell AIAPI For Building Human-like Conversational Voice AI
SoundWise.aiTransform Speech to Text, Instantly and FreelyWhich to pick
Pick Retell AI if you want…
- Low-latency AI voice agents for phone calls
- Voice AI integration
Pick SoundWise.ai if you want…
- Unlimited free browser transcription
Side by side
- What it is
- Retell AI:Retell AI provides an API to build human-like conversational voice agents for phone, chat and SMS with low latency.
- SoundWise.ai:SoundWise.ai is a free, browser-based tool that transcribes unlimited audio and video files to text.
- Best for
- Retell AI:Low-latency AI voice agents for phone calls
- SoundWise.ai:Unlimited free browser transcription
- Who it’s for
- Retell AI:Developers building voice-based customer service, sales or support automation.
- SoundWise.ai:Students, creators, professionals needing quick transcription without installing software.
- Pricing
- Retell AI:Freemium
- SoundWise.ai:Freemium
- Free plan or trial
- Retell AI:Free trial
- SoundWise.ai:Free plan (Free) · Free trial
- Plans
- Retell AI:Pay-as-you-go $0.07-$0.31 / min per minute
- SoundWise.ai:Free Free · Pro US$10 per month (billed annually)
- Works with
- Retell AI:knowledge bases
- SoundWise.ai:—
Retell AI features
- Drag-and-drop flow builder. Design complex call workflows visually with functions, integrations and DTMF handling.
- Real-time testing & simulation. Manually test, simulate thousands of scenarios and run regression tests before deployment.
- Ultra-low latency. Proprietary orchestration delivers ~600 ms response time for smooth conversations.
- Multi-channel support. Deploy agents over voice calls, web/chat widgets and SMS via a unified API.
- Enterprise security. HIPAA, SOC 2 Type II, GDPR, ISO 27001 compliance with SSO, role-based access and data redaction.
- Pay-as-you-go pricing. No contracts; $0.07-$0.31 per minute for voice agents and $0.002 per chat message.
SoundWise.ai features
- Unlimited Free Transcription. Convert unlimited audio/video files to text at no cost.
- Wide Format Support. Handles MP3, WAV, MP4, MOV, MKV, FLAC, AAC and more.
- Browser-Based Access. No installation required; works directly in the web browser.
- Drag-and-Drop Interface. Simple UI lets users drop files to start transcription.
- Fast Processing (Local). Transcribes about 1 hour of audio in ~10 minutes on a typical PC.
- Pro Cloud Transcription. Cloud models transcribe 1 hour of audio in ~30 seconds (10x faster).
Retell AI vs SoundWise.ai FAQ
What is the difference between Retell AI and SoundWise.ai?+
Retell AI: API for building conversational voice AI, not a general transcription tool.
Should I use Retell AI or SoundWise.ai?+
Pick Retell AI if you want low-latency AI voice agents for phone calls or voice AI integration. Pick SoundWise.ai if you want unlimited free browser transcription.
Is Retell AI or SoundWise.ai free?+
Retell AI has a free plan and paid plans. SoundWise.ai has a free plan and paid plans.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.