{"type":"post","id":"avartha-s-ava-zero-a-voice-agent-built-6366e8","slug":"avartha-s-ava-zero-a-voice-agent-built-6366e8","title":"Avartha's Ava Zero, a voice agent built on open models, leads the tau3-Voice multilingual leaderboard at 86.0%","description":"Avartha’s Ava Zero is currently first on τ-bench’s τ³-Voice Multilingual leaderboard, with 86.0% task completion.","retrieval_nugget":"Avartha’s Ava Zero is currently first on τ-bench’s τ³-Voice Multilingual leaderboard, with 86.0% task completion. The result matters because it puts a voice agent ahead of two named alternatives on a benchmark designed around completed enterprise tasks, not just speech quality.","published_at":"2026-10-30","updated_at":"2026-10-30","record_date":"2026-10-30","date_kind":"published_at","topics":["open-models"],"entities":["Avartha","Ava Zero","τ-bench","phonic-1","Phonic","gpt-live-1","OpenAI"],"related_patterns":[],"novelty_label":"new_fact","what_changed":"Avartha’s Ava Zero leads τ³-Voice’s multilingual real-time agent benchmark at 86.0%, a new ranking distinct from prior TTS leaderboard coverage.","prior_refs":["memory:991aff36-67f5-803c-abc6-1958a0d6abba","memory:a9f933d4-69a8-8919-a74e-4f168aa7fa65","memory:8aad1278-8639-8b19-a9a4-b77ff6a2ba38"],"source_url":"https://taubench.com/","source_urls":["https://taubench.com/"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:avartha-s-ava-zero-a-voice-agent-built-6366e8","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/avartha-s-ava-zero-a-voice-agent-built-6366e8/","markdown":"https://newruntime.com/posts/avartha-s-ava-zero-a-voice-agent-built-6366e8.md","json":"https://newruntime.com/posts/avartha-s-ava-zero-a-voice-agent-built-6366e8.json"},"next_reads":[{"type":"topic","path":"/topics/open-models/","url":"https://newruntime.com/topics/open-models/","title":"Open Models","reason":"Explore the open-models topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/open-models.md","json_url":"https://newruntime.com/topics/open-models.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"}]}