{"type":"post","id":"block-unveils-dessa-a-full-duplex-speech-model-62567c","slug":"block-unveils-dessa-a-full-duplex-speech-model-62567c","title":"Block unveils Dessa, a full-duplex speech model trained only on human conversation audio","description":"Block has introduced Dessa, a full-duplex speech-to-speech model.","retrieval_nugget":"Block has introduced Dessa, a full-duplex speech-to-speech model.","published_at":"2026-10-24","updated_at":"2026-10-24","record_date":"2026-10-24","date_kind":"published_at","topics":["models","multimodal"],"entities":["Block","Dessa","NVIDIA GB200 NVL72","GPT-Live-1"],"related_patterns":["generative-media-becomes-application-infrastructure"],"novelty_label":"new_fact","what_changed":"Adds that Dessa was trained from scratch only on human conversation audio, with no text or pretrained models.","prior_refs":["memory:1a155c55-b42b-8feb-a472-77a75749bc05"],"source_url":"https://block.xyz/dessa","source_urls":["https://block.xyz/dessa"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:block-unveils-dessa-a-full-duplex-speech-model-62567c","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/block-unveils-dessa-a-full-duplex-speech-model-62567c/","markdown":"https://newruntime.com/posts/block-unveils-dessa-a-full-duplex-speech-model-62567c.md","json":"https://newruntime.com/posts/block-unveils-dessa-a-full-duplex-speech-model-62567c.json"},"next_reads":[{"type":"topic","path":"/topics/models/","url":"https://newruntime.com/topics/models/","title":"Models","reason":"Explore the models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/models.md","json_url":"https://newruntime.com/topics/models.json"},{"type":"topic","path":"/topics/multimodal/","url":"https://newruntime.com/topics/multimodal/","title":"Multimodal","reason":"Explore the multimodal topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/multimodal.md","json_url":"https://newruntime.com/topics/multimodal.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}