Gemini 3.5 Live Translate, Gemini in Xcode, and more!

Gemini 3.5 Live Translate, Gemini in Xcode, and more! – Google Developer News June 2026

Welcome back to Developer News! Host Anaya Mehta breaks down the latest major Google developer announcements from Google I/O, including near real-time translation Gemini 3.5 Live Translate, local agentic workflows with Gemma 4 12b, and Gemini in Xcode, where we bring Gemini directly to Apple platform developers. See how these tools can uplevel your developer workflows!

Chapters:

0:00 – Introduction

0:25 – Gemini 3.5 Live Translate

0:54 – Live Translate demonstration

2:09 – Gemma 4 12B on AI Edge

3:23 – Gemini in Xcode

4:01 – Conclusion

Gemma 4 12B is unique due to its specialized architecture and optimization for local, agentic workflows (2:09 – 2:38). Key differentiators include:

Efficiency for Local Execution: It is specifically optimized for local use via Google AI Edge (supporting WebGPU, Vulkan, and mobile NPUs), allowing it to run entirely offline without constant cloud connectivity (2:16, 2:38 – 2:43, 2:50 – 3:03).
Streamlined Multimodal Architecture: Unlike traditional multimodal models that rely on separate vision or audio encoders, Gemma 4 12B processes multimodal tokens directly into the LLM backbone. This results in a more efficient and streamlined design (3:04 – 3:17).
Agentic Capabilities: Despite being a lightweight model, it is built to handle complex multi-step tasks locally, featuring native support for tool calling and structured JSON output (2:22 – 2:32).

The June 2026 Google Developer News focuses on massive upgrades to AI workflows, highlighting Gemini 3.5 Live Translate, the integration of Gemini into Apple’s Xcode, and the release of Gemma 4 12b. These announcements, featured at events like Google I/O Connect Berlin , mark a major shift toward near-real-time communication and native, local development environments. [1, 2, 3]

🎙️ Gemini 3.5 Live Translate

Google launched a dedicated low-latency, audio-to-audio model optimized for real-time speech translation.

70+ Languages Supported: Upgraded from previous constraints to handle over 2,000 language combinations in a single call.
Maintained Intonation: The model preserves the speaker’s vocal traits, tone, pacing, and pitch.
Multi-Surface Rollout: Currently available in public preview via the Gemini Live API and Google AI Studio .
App Integrations: Live in the Google Translate app (Android and iOS) with a new “listening mode” for discreet earpiece listening. It is also in private preview for enterprise users on Google Meet .
Safety Integration: Audio generated by the model includes SynthID watermarking to mitigate misinformation risks. [5, 6, 7, 8, 9, 10]

💻 Gemini in Xcode

Google is bringing its AI capabilities directly to Apple ecosystem developers.

Direct Integration: Developers can connect Gemini to Xcode using an API key from Google AI Studio or Gemini Enterprise.
Language Support: Provides inline coding support, bugs fixing, and code reviews for both Swift and Objective-C.
Optimized Workflows: Accelerates deployment cycles by removing the need to switch out of the native Apple IDE. [2, 11, 12]

🤖 Gemma 4 12b on AI Edge

Google introduced Gemma 4 12b, its latest lightweight open model designed for high efficiency.

Local Execution: Optimized via Google AI Edge for powerful performance directly on user devices without needing cloud relays.
Agentic Workflows: Configured specifically to power smart processes, local tools, and complex developer workflows on-device. [2]