Which model should I use? | The Agent Factory

Why watch

Google engineers compare Gemini 3.5 Flash-Lite, Gemini 3.8 Flash, and Gemini 4 Argon across four creative developer challenges: generating music with Strudel.cc, creating Mermaid.js diagrams from transcripts, automated video editing with HyperFrames, and transcribing folk songs to mandolin sheet music. Developers learn when to choose fast lightweight models versus when frontier reasoning is necessary.