--- title: Launch HN: Retell AI (YC W24) – Conversational Speech... description: Retell AI is a conversational speech API that combines ASR, LLM, and TTS components. It adds conversation models to handle natural-sounding conversations with... canonical: https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM | daily.dev og:description: Retell AI is a conversational speech API that combines ASR, LLM, and TTS components. It adds conversation models to handle natural-sounding conversations with... og:url: https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh og:image: https://api.daily.dev/og/posts/95u2XI9wh.png og:image:alt: Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM **[Hacker News](https://daily.dev/sources/hn)** · 30 min read · 0 upvotes · 0 comments ## Summary Retell AI is a conversational speech API that combines ASR, LLM, and TTS components. It adds conversation models to handle natural-sounding conversations with low latency and customization options. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#deep-learning](https://daily.dev/tags/deep-learning), [#machine-learning](https://daily.dev/tags/machine-learning), [#voice-ai](https://daily.dev/tags/voice-ai) [View this post on daily.dev](https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM","url":"https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh"},"datePublished":"2024-02-22T11:53:43.651Z","dateModified":"2025-12-08T02:16:11.832Z","description":"Retell AI is a conversational speech API that combines ASR, LLM, and TTS components. It adds conversation models to handle natural-sounding conversations with...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/b8555ca1cbc7a5860d06476e1ee14323?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/b8555ca1cbc7a5860d06476e1ee14323?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Hacker News","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Hacker News","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/hn","url":"https://daily.dev/sources/hn"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/launch-hn-retell-ai-yc-w24-conversational-speech-api-for-your-llm-95u2xi9wh","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"deep-learning,machine-learning,voice-ai","timeRequired":"PT30M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Hacker News","item":"https://daily.dev/sources/hn"},{"@type":"ListItem","position":3,"name":"Launch HN: Retell AI (YC W24) – Conversational Speech API for Your LLM"}]} ```