Google Unveils Gemini 3.5 Flash for Autonomous Agents and Software Development
Google introduced Gemini 3.5 Flash at its 2026 Google I/O developer conference, extending its lineup of multimodal Gemini models and targeting AI applications that require frequent calls, long context windows and real-time responses. The model delivers performance exceeding that of the previous-generation Pro at Flash-tier cost while strengthening autonomous-agent and software-development capabilities.
The newly announced Gemini 3.5 Flash outperformed the previous-generation Pro in several agent benchmarks, with reasoning and processing speeds improving fourfold. Google also demonstrated that the model could build an operating system within 12 hours at a total cost of less than $1,000. The company reiterated plans to increase investment in AI infrastructure, saying it was seeing real market demand.
All Coverage
7 original reportsThe Backstory
The history behind this eventGoogle Launches Gemini 3.1 Flash Live, Expands Search Live to More Than 200 Countries
Google first launched Search Live in the United States in September 2025, extending generative AI beyond text search to continuous voice- and camera-based follow-up questions. The service combines Google’s search index with AI Mode, breaking down questions during conversations and providing links to webpages. The move reflects Google’s effort to reshape its core search gateway with Gemini. The company did not disclose the investment behind the latest rollout.
On March 26, 2026, Google released Gemini 3.1 Flash Live, a real-time audio model designed to improve the speed, naturalness and stability of multilingual responses. It also expanded Search Live to more than 200 countries and territories where AI Mode is available, with support for 98 languages. Users can tap Live in the Google app on Android or iOS, or use Google Lens to conduct continuous searches by combining the camera with voice queries.
Google Launches Gemini 3.1 Flash-Lite for Low-Cost, Large-Scale Workloads
Google DeepMind’s Gemini 3 lineup comprises Pro, Flash and Flash-Lite, designed respectively for advanced reasoning, speed and cost efficiency. Flash-Lite targets high-volume tasks such as translation, content moderation and data labeling, lowering the barrier for businesses deploying generative AI at scale.
Google released a preview of Gemini 3.1 Flash-Lite on March 3, 2026, making it available through Google AI Studio and Vertex AI. The API charges $0.25 per 1 million input tokens and $1.50 per 1 million output tokens, about one-eighth the price of the Pro version. Google said output speed increased by 45%.
Subscribe to Mark Radar Weekly
Every Friday, the week's strongest signals in your inbox. Unsubscribe anytime.