Grok Voice 3.0
xAI’s speech-to-speech voice model, under 1s latency
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Grok Voice 3.0 is xAI’s speech-to-speech model for voice agents, which xAI calls the world’s most intelligent. It ranks #1 on the Artificial Analysis Speech-to-Speech Index at 86.9, with latency under one second per xAI. It powers voice in Tesla vehicles and Starlink support calls. Available through the Voice Agent API at $0.08 per minute, same as Grok Voice 2.0. Agents on grok-voice-latest switched to 3.0 automatically.
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PH · launched Oct 15, 2026 · 3 upvotes (top 10%)
- Horizontal
- Model & infra
- Developer
- AI-native
- Commercial product
- Artificial Intelligence
- Audio
Similar launches
See all 401 similar launches →Could you build this?
No Training and serving a frontier real-time speech-to-speech foundation model with sub-second latency requires massive compute clusters, petabytes of audio data, and world-class AI research.
What it would actually take: Requires an end-to-end multimodal neural architecture (or joint audio-text foundation model) trained across thousands of GPUs on vast speech corpora. Requires custom neural audio codecs, specialized streaming inference runtimes written in C++/CUDA, and a low-latency globally distributed WebRTC/audio streaming infrastructure.
Competitors
Other products that read as similar to this one : 401 launches clear the similarity bar, closest 8 shown.
Attention rank: #58 of 402 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 343 days after the earliest competitor.
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