Google launched Gemini 3.6 Flash, Gemini 3.5 Flash-Lite, and Gemini 3.5 Flash Cyber on July 21, 2026, delivering a major push across the Flash tier of its Gemini family. The three models target different workloads: 3.6 Flash improves coding and knowledge-task quality while cutting output-token usage by 17% compared to 3.5 Flash; 3.5 Flash-Lite delivers 350 tokens per second for high-throughput agentic pipelines at $0.30 per million input tokens; and 3.5 Flash Cyber, paired with Google's CodeMender agent framework, focuses on vulnerability detection and patching for government and trusted-partner access only. All three are part of Google's stated strategy to build AI agents "at scale."
What changed in Gemini 3.6 Flash
Gemini 3.6 Flash is the next iteration of Google's cost-efficient Flash line, built on developer feedback from the 3.5 Flash release. The model costs $1.50 per million input tokens and $7.50 per million output tokens. According to Artificial Analysis benchmarking, it reduces output token usage by 17% versus 3.5 Flash and by up to 65% on DeepSWE. On the same benchmark, 3.6 Flash scores 49.0% compared to 3.5 Flash's 37.0%. Improvements also show up in MLE Bench, OSWorld-Verified, and GDPval-AA v2.
Flash-Lite: raw speed for agent workloads
Gemini 3.5 Flash-Lite targets throughput at 350 output tokens per second, priced at $0.30 per million input tokens and $2.50 per million output tokens. On SWE-Bench Pro it scores 54.2% versus 49.6%, and on OSWorld-Verified it reaches 74.0% versus 65.1%. It is rolling out in Google Search alongside API availability and includes built-in computer-use tooling.
Flash Cyber: AI for cybersecurity, gated access
Gemini 3.5 Flash Cyber is fine-tuned for vulnerability detection, validation, and patching. It is available only through CodeMender in a limited-access pilot for governments and trusted partners. No public API pricing has been released.
The 3.5 Pro gap and what's next
Gemini 3.5 Pro remains delayed, while Google has announced that training has begun for Gemini 4. The Flash-focused strategy suggests Google is prioritizing production-grade efficiency over a monolithic flagship in the near term.
This post is cross-posted from the original article: Google Launches Gemini 3.6 Flash, 3.5 Flash-Lite, and 3.5 Flash Cyber.
