100 Google I/O 2026 announcements: Gemini 3.5, Search, agents

Google I/O 2026 introduced Gemini 3.5 Flash, Gemini Omni and major AI Search upgrades.

Google used I/O 2026 on May 20 to roll out a long list of AI updates across models, Search, video tools and agent features. The company said the announcements are aimed at helping people build, search, create, shop and get more done.

What changed

Google’s biggest model update was Gemini 3.5 Flash, now generally available through Google Antigravity, the Gemini API, Google AI Studio and Android Studio. Google says the model matches larger flagship systems on coding and agentic benchmarks while keeping Flash-level speed.

The company also previewed Gemini 3.5 Pro and introduced Gemini Omni, a new model built for multimodal creation, starting with video. Omni can take image, text, video or audio references and turn them into a single output, with SynthID watermarking baked in.

• Gemini 3.5 Flash is the default model for AI Mode globally.
• Gemini Omni Flash is rolling out in the Gemini app and Google Flow.
• YouTube Shorts Remix and YouTube Create now get Omni editing features for users 18+.
• AI Search can now handle text, images, files, videos and Chrome tabs in one query.

On the search side, Google said AI Mode now has more than 1 billion monthly users and that queries have more than doubled every quarter since launch. The company is also merging AI Overviews and AI Mode into one flow, and expanding Personal Intelligence to nearly 200 countries and territories in 98 languages.

Why it matters

For developers, the headline is less about demos and more about distribution. Google is putting its newest models into the places people already build and work: Search, Android Studio, AI Studio, Flow, YouTube and the Gemini app.

That matters because it lowers the gap between model launches and real usage. If Google’s agent tools and generative UI features hold up, developers could spend less time stitching together workflows and more time shipping task-specific apps, assistants and media tools.

For the market, the I/O message is clear: Google wants AI to be the default layer across search and creation, not a separate product. The company is betting that faster models, richer multimodal input and background agents will keep users inside Google’s own interfaces.

The key question now is whether these upgrades will change daily workflows or just add more AI features to the same products.