On Tuesday, Google announced a number of new additions to Gemma, its family of open (but not open source) models comparable to Meta’s Llama and Mistral’s open models, at its annual Google I/O 2024 developer conference. The headline-grabbing release here is Gemma 2, the next generation of Google’s open-weights Gemma models, which will launch with a 27 billion parameter model in June. Already available is PaliGemma, a pre-trained Gemma variant that Google describes as “the first vision language mo...