Google has introduced the Gemma 3 family of accessible lightweight models.The Gemma 3 models come in a range of sizes, allowing developers to choose the best model for hardware and performance needs.Gemma 3 outperforms larger models in preliminary human preference evaluations on the LMArena leaderboard.Google also announced ShieldGemma 2, a 4 billion-parameter variant that can check images for safety and label them accordingly.