Retell AI vs Daglo

A side-by-side comparison of features, pricing, and characteristics.

Retell AI

Retell AI is a voice-first conversational AI platform enabling human-quality, low-latency phone calls at scale.

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Daglo

An AI-powered workspace for transcription, summaries, and multi-model chat, converting meetings and lectures into clean notes, quizzes, and slides.

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AttributeRetell AIDaglo
Pricing typeFree + paid (from $0.13/mo)Free + paid (from $10.64/mo)
Korean supportNoOfficial
PlatformsWeb, API, Telephony, SIP, TwilioWeb, iOS, Android, Chrome Extension
Open sourceNoNo
API available--
SDK--
LLM-basedYes-
MultimodalYes-
AI model-GPT, Claude, Gemini, Grok, Perplexity, Proprietary E2E STT Engine
GitHub Stars--
VendorRetell AI-
CategoryCommunicationCommunication
DetailsView View

Retell AI key features

  • ~600ms low-latency voice orchestration
  • Simulation testing and continuous QA
  • SIP trunking and branded call ID
  • Performance analytics dashboard
  • Proprietary turn-taking model

Daglo key features

  • High-speed STT converting 1 hour of audio to text in about 3 minutes
  • Automatic documentation and key point extraction
  • Support for speaker diarization (multi-speaker separation)
  • Automatic generation of AI slides and quizzes
  • Integrated chat with multiple global LLMs like GPT and Claude
  • Support for 16 languages, document translation, and analysis