What happened: Gemini 3.8 text-to-speech says hello

Google released Gemini 3.8 Flash TTS and Flash-Lite TTS models that generate custom voices from natural language prompts with line-by-line performance control.

Why it matters: Gemini 3.8 text-to-speech says hello

Developers building voice agents, audiobooks, podcasts, or dubbed content need expressive, scalable text-to-speech with fine-grained emotional and pacing control.

Watch out: Gemini 3.8 text-to-speech says hello

Voice replication requires consent verification, but long-term effectiveness of SynthID watermarking against misuse remains unproven in real-world deployment.

In the news

Gemini 3.8 text-to-speech says hello

Google DeepMind · Published September 23, 2026 · 3 min read

In 30 seconds

What happened: Google released Gemini 3.8 Flash TTS and Flash-Lite TTS models that generate custom voices from natural language prompts with line-by-line performance control.
Why it matters: Developers building voice agents, audiobooks, podcasts, or dubbed content need expressive, scalable text-to-speech with fine-grained emotional and pacing control.
Watch out: Voice replication requires consent verification, but long-term effectiveness of SynthID watermarking against misuse remains unproven in real-world deployment.

Read the full article

speech
text-to-speech
gemini

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