Thank you, I just realised we are talking about MTP. It seems that it's not that clear though.
"Currently, the MTP capabilities are primarily accessible through Google's proprietary LiteRT framework, rather than the open-weights versions... Despite the missing MTP heads in the open release, Gemma 4 (specifically the 26B-A4B variant) still demonstrates high efficiency"
alt Hacker News
Thank you, I just realised we are talking about MTP. It seems that it's not that clear though. "Currently, the MTP capabilities are primarily accessible through Google's proprietary LiteRT framework, rather than the open-weights versions... Despite the missing MTP heads in the open release, Gemma 4 (specifically the 26B-A4B variant) still demonstrates high efficiency"