model · Google DeepMind

Google Gemini Live

Gemini Live is Google's answer to the same problem as OpenAI's Realtime API — stream audio in, get spoken audio back — but priced roughly 3-4x cheaper per minute, which matters a lot once you're running voice agents at any real volume. Latency sits around 100-200ms, on par with or better than the competition. Billing is unified per-token (audio, text, and tool calls all count against the same token meter) rather than a separate per-minute voice tariff, which makes cost easier to reason about if you're already used to Gemini's text pricing. It integrates with the rest of the Gemini API, so tool use, grounding, and multimodal input (you can show it a video frame while talking) come for free. For a student prototyping a cheap always-on voice tutor or lab-notebook assistant, this is usually the best cost-to-quality ratio among the managed options.

• paid
• cloud
• Commercial