Google Release Gemini 3.5 Flash

Google’s “Gemini 3.5 Flash” is the newest fast/efficient model in the Gemini lineup announced at Google I/O 2026. It’s positioned as a lower-latency, lower-cost model optimized for coding, agentic workflows, and real-time AI interactions, while narrowing the capability gap with larger flagship models.

Key points:

• It became the default model in the Gemini app after the I/O 2026 announcements.
• Google says it performs strongly on coding and tool-use benchmarks while responding much faster than larger “Pro” models.
• It’s designed for:
  • AI agents
  • long-running workflows
  • multimodal tasks
  • fast conversational UX
  • software development assistance
• A more advanced “Gemini 3.5 Pro” was teased but not yet fully released.

Official resources:

• Gemini App
• Google Gemini Updates Blog
• Gemini 3 Flash Documentation on Vertex AI

Compared broadly:

• “Flash” models prioritize speed + efficiency.
• “Pro” models prioritize deeper reasoning and maximum capability.
• Gemini 3.5 Flash appears aimed at competing with models like GPT-4o mini / Claude Haiku–style fast assistants, but with stronger agentic and coding focus.