Google: Gemini 3.5 Flash

Launched at I/O and instantly made the default model in the Gemini app and AI Mode in Search: 76.2% on Terminal-Bench 2.1, 1656 Elo on GDPval-AA, beating Gemini 3.1 Pro while running ~4x faster than comparable frontier models. Gemini 3.5 Pro was promised for "the following month". Clock's ticking.

Sources: official announcement, MarkTechPost