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SpaceXSI launches Grok Voice 3.0: speech-to-speech model tops Artificial Analysis S2S Index at 86.9, price held at $0.08/min

SpaceXSI (SpaceX Super Intelligence, x.ai) released Grok Voice 3.0 on 2026-10-14 17:04 UTC. Per Artificial Analysis testing (Oct 13) cited on the official blog, it scores 86.9 on the Speech-to-Speech Index (Grok Voice 2.0 81.3, GPT-Live-1 Astra 83.2, Gemini 3.8 Live 82.6), 97% on Full Duplex Bench, and 71.6% on τ-Voice — on par with GPT-Live-1 at ~40% lower latency. In the Voice Agent API, grok-voice-latest now aliases grok-voice-3.0 with an unchanged interface at $0.08/min; grok-voice-2.0 is deprecated.

SpaceXSI launches Grok Voice 3.0: speech-to-speech model tops Artificial Analysis S2S Index at 86.9, price held at $0.08/min

Key Takeaways

  • #1 on Artificial Analysis Speech-to-Speech Index at 86.9 (v2.0 81.3, GPT-Live-1 Astra 83.2, Gemini 3.8 Live 82.6)
  • Big Bench Audio 98.5%, Speech Agent Arena Elo 1070, task success 94.8%, Full Duplex Bench 97.0%
  • τ-Voice 71.6%, comparable to GPT-Live-1 (Astra) at ~40% lower latency; top accuracy (74%) on ServiceNow EVA-Bench
  • Same price: $0.08/min ($4.80/hr); grok-voice-latest auto-upgraded to 3.0, grok-voice-2.0 deprecated
  • Production scale (vendor figures): ~20k Starlink support calls/day, ~70% resolved with no human
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⚡ Grok Voice 3.0⚡ Grok Voice 2.0⚡ GPT-Live-1⚡ Gemini 3.8 Live🌐 SpaceXSI🌐 xAI🌐 Artificial Analysis🌐 ServiceNow

LiveKit Agents 1.8.3: Gemini 3.8 Live NON_BLOCKING default, GPTLive Azure, AssemblyAI Universal, safer tool handoffs

LiveKit published Python [email protected] on GitHub (2026-09-26; PyPI livekit-agents 1.8.3): Gemini 3.8 Live defaults tool_behavior=NON_BLOCKING and sends FunctionTool schemas as parameters_json_schema on the text API; OpenAI gains GPTLiveModel.with_azure and moves the Realtime inference client into agents core; STT adds AssemblyAI universal-3-6-pro plus language_confidence, and configurable ElevenLabs realtime chunk duration; voice fixes prevent parallel tools from canceling handoffs, pair tool outputs by call_id, forward frames as-is in fallback/stream adapters, and fix LiveAvatar interruption/plugin registration. Same-day JS @livekit/[email protected] deepens agent_turn telemetry and adaptive interruption.

LiveKit Agents 1.8.3: Gemini 3.8 Live NON_BLOCKING default, GPTLive Azure, AssemblyAI Universal, safer tool handoffs

Key Takeaways

  • Shipped: [email protected] / PyPI 1.8.3; JS @livekit/[email protected] same day
  • Gemini 3.8 Live: default NON_BLOCKING tool_behavior; FunctionTool via parameters_json_schema on text API
  • OpenAI: GPTLiveModel.with_azure; Realtime inference client moved into agents core
  • STT: AssemblyAI universal-3-6-pro + language_confidence; configurable ElevenLabs realtime chunk duration
  • Voice correctness: parallel tools no longer cancel handoffs; pair tool outputs by call_id; adapters forward frames as-is
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Pydantic AI 2.50.0: DecisionModel protocol, named route selection, Gemini 3.8 Live realtime

Pydantic AI 2.50.0 (2026-09-25) adds DecisionModel (TypeSafeModel implements it), named route questions with optional decision_route_threshold, Gemini 3.8 Live realtime, durable-context hooks, and audio_seconds usage pricing.

Pydantic AI 2.50.0: DecisionModel protocol, named route selection, Gemini 3.8 Live realtime

Key Takeaways

  • DecisionModel base + TypeSafeModel implementer; ask routes by name (#8696, #8733)
  • Opt-in decision_route_threshold replaces tool-call lean; ModelSelectionContext.prompt (#8737/#8739)
  • Gemini 3.8 Live realtime + RequestUsage.audio_seconds (#8393/#8427)
  • decide spans + RunContext.in_durable_context (#8698/#8723)
  • Upgrade: pip install -U 'pydantic-ai==2.50.0'
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Google DeepMind introduces Gemini 3.8 Live

Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models talk, think, and handle tasks in the background without breaking the user’s flow.

Google DeepMind introduces Gemini 3.8 Live

Key Takeaways

  • Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models talk, think, and handle tasks in the background without breaking the user’s flow.
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Google DeepMind Introduces Gemini 3.8 Live and Extended Thinking

Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. Both models add upgraded reasoning, near real-time visual understanding, automatic detection for 97 languages, and background tool calling without interrupting chat. Extended Thinking narrates task progress for harder work. The models are available in Gemini Live in the Gemini app and via the Gemini API in Google AI Studio.

Google DeepMind Introduces Gemini 3.8 Live and Extended Thinking

Key Takeaways

  • Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. Both models add upgraded reasoning, near real-time visual understanding, automatic detection for 97 languages, and background tool calling without interrupting chat. Extended Thinking narrates task progress for harder work. The models are available in Gemini Live in the Gemini app and via the Gemini API in Google AI Studio.
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Google introduces Gemini 3.8 Live and Live Extended Thinking

Google for Developers introduced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking. The audio models improve turn-taking and near real-time reasoning, replacing cascaded speech-to-text, reasoning, and text-to-speech stacks with one multimodal API call. They are available through the Gemini API in Google AI Studio.

Key Takeaways

  • Google for Developers introduced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking. The audio models improve turn-taking and near real-time reasoning, replacing cascaded speech-to-text, reasoning, and text-to-speech stacks with one multimodal API call. They are available through the Gemini API in Google AI Studio.
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Google introduces Gemini 3.8 Live and Live Extended Thinking

Google for Developers introduced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking. These audio models improve turn-taking and near real-time reasoning, replacing cascaded speech-to-text, reasoning, and text-to-speech stacks with one multimodal API call to reduce latency and cost. They are available in the Gemini API via Google AI Studio and coming soon to the Gemini Enterprise Agent Platform.

Key Takeaways

  • Google for Developers introduced Gemini 3.8 Live and Gemini 3.8 Live Extended Thinking. These audio models improve turn-taking and near real-time reasoning, replacing cascaded speech-to-text, reasoning, and text-to-speech stacks with one multimodal API call to reduce latency and cost. They are available in the Gemini API via Google AI Studio and coming soon to the Gemini Enterprise Agent Platform.
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Gemini 3.8 Live is available in the Gemini API

Google for Developers announced that Gemini 3.8 Live and 3.8 Live Extended Thinking are available today through the Gemini API in Google AI Studio for real-time voice apps, and are coming soon to the Gemini Enterprise Agent Platform.

Key Takeaways

  • Google for Developers announced that Gemini 3.8 Live and 3.8 Live Extended Thinking are available today through the Gemini API in Google AI Studio for real-time voice apps, and are coming soon to the Gemini Enterprise Agent Platform.
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Google DeepMind introduces Gemini 3.8 Live and Extended Thinking, its best conversational AI

@GoogleDeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking—its best conversational AI. The models talk, think, and run background tools without breaking flow, with upgraded reasoning, near real-time visual understanding, and automatic detection for 97 languages. Try them in Gemini Live in the Gemini app or via the Gemini API in Google AI Studio.

Google DeepMind introduces Gemini 3.8 Live and Extended Thinking, its best conversational AI

Key Takeaways

  • @GoogleDeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking—its best conversational AI. The models talk, think, and run background tools without breaking flow, with upgraded reasoning, near real-time visual understanding, and automatic detection for 97 languages. Try them in Gemini Live in the Gemini app or via the Gemini API in Google AI Studio.
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Linked Models & Agents:

Google DeepMind introduces Gemini 3.8 Live

Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models talk, think, and handle tasks in the background without breaking the user’s flow.

Google DeepMind introduces Gemini 3.8 Live

Key Takeaways

  • Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models talk, think, and handle tasks in the background without breaking the user’s flow.
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Artificial Analysis: Gemini 3.8 Live Extended Thinking tops Speech to Speech Index at 82.6

Artificial Analysis (@ArtificialAnlys) updated its Speech to Speech Index: Google Gemini 3.8 Live Extended Thinking (High) debuts at #1 with 82.6, ahead of GPT-Live-1 (Astra medium) at 81.5 and Grok Voice Think Fast 2.0 High at 81.3; standard Gemini 3.8 Live lands #5 at 76.0. The same drop covers Speech Agent Arena, Tau Voice (Extended Thinking leads at 68.6%), Big Bench Audio, time-to-first-audio, and input-audio cost ($0.84/hr standard, $3.50/hr Extended Thinking).

Key Takeaways

  • Gemini 3.8 Live Extended Thinking (High) leads Speech to Speech Index at 82.6, above GPT-Live-1 Astra at 81.5.
  • On Tau Voice, Extended Thinking leads at 68.6%; standard Gemini 3.8 Live scores 30.1%.
  • Standard input audio is about $0.84/hr (cheapest in the Index); Extended Thinking about $3.50/hr, still below Astra at $5.83.
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⚡ Google Gemini 3.8 Live⚡ GPT Live 1⚡ GPT-6 Astra🌐 Google DeepMind

Google DeepMind introduces Gemini 3.8 Live and Live Extended Thinking

Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models can talk, think, and handle tasks in the background without interrupting the user's flow.

Google DeepMind introduces Gemini 3.8 Live and Live Extended Thinking

Key Takeaways

  • Google DeepMind introduced Gemini 3.8 Live and 3.8 Live Extended Thinking, calling them its best conversational AI. The models can talk, think, and handle tasks in the background without interrupting the user's flow.
Read full story
Linked Models & Agents: