#agent-tools

Gemini 3.5 Flash Shipped — A Flash-Tier Model Now Leads the Pro Tier on Agent Benchmarks

Gemini 3.5 Flash went GA at I/O 2026 with thinking-on-by-default, $1.50/$9 per 1M tokens, and a benchmark profile that beats Claude Opus 4.7 and GPT-5.5 on MCP Atlas and most agent suites. Here's where Flash leads, where it loses, and how to deploy.