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Google Expands Gemini With Three Flash Models While Pro Remains in Testing

The company says the new models cut token costs and speed agentic and security workflows.

Overview

  • Google released three new Gemini Flash models on Tuesday, July 21, 2026: Gemini 3.6 Flash, Gemini 3.5 Flash‑Lite, and Gemini 3.5 Flash Cyber.
  • Gemini 3.6 Flash is billed as the workhorse model that uses about 17% fewer output tokens than its predecessor and is priced at $1.50 per million input tokens and $7.50 per million output tokens.
  • Gemini 3.5 Flash‑Lite targets high‑throughput, low‑cost workloads, runs at roughly 350 output tokens per second, and is priced at $0.30 per million input tokens and $2.50 per million output tokens.
  • Gemini 3.5 Flash Cyber is a vulnerability‑hunting model fine‑tuned to find, validate, and patch software flaws and will be available only to governments and vetted partners through a limited CodeMender pilot because of dual‑use risks.
  • Google confirmed Gemini 3.5 Pro remains in partner testing and that pretraining for a larger Gemini 4 has begun, a signaling move that keeps short‑term productization and longer‑term frontier work running in parallel as rivals press faster releases.