Gemini 3.1 Flash Live: Google's latest audio model with improved benchmarks and watermarking

What's new in Gemini 3.1 Flash Live
Google has released Gemini 3.1 Flash Live, their highest-quality audio and voice model designed for real-time dialogue. The model delivers improved speed and natural rhythm for voice-first AI applications.
Key technical details
- Benchmark scores: 90.8% on ComplexFuncBench Audio (multi-step function calling with constraints) and 36.1% on Scale AI's Audio MultiChallenge (complex instruction following with "thinking" on)
- Improved capabilities: Better tonal understanding, recognition of acoustic nuances like pitch and pace, and dynamic adjustment to user frustration or confusion
- Watermarking: All audio generated includes SynthID watermark for AI content detection
- Multilingual support: Available in over 200 countries and territories
Availability and access
- For developers: Available in preview via Gemini Live API in Google AI Studio
- For enterprises: Included in Gemini Enterprise for Customer Experience
- For general users: Accessible via Search Live and Gemini Live
The model enables building voice-ready agents that handle complex tasks in noisy environments and supports longer conversation threads during extended interactions.
📖 Read the full source: HN AI Agents
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