Sourced model record · Catalog current through July 21, 2026

ByT5-XXL

A reviewed catalog record from Google, released May 28, 2021. This page reports only what named sources publish about this exact record, with receipts.

Open weights (unrestricted)Open weightsLanguage

What the evidence says

Developer: Google
Released: May 28, 2021
Domains: Language
Tasks: Language modeling
Access: Open weights (unrestricted)
Weights: Open weights

Common questions

What is ByT5-XXL?

ByT5-XXL is a Google model released May 28, 2021, according to Epoch AI's reviewed catalog record. The record classifies it under language.

How does ByT5-XXL rank on LMArena?

No board Model Gauntlet mirrors currently lists this exact model revision under a reviewed identity, so no rating is reported here.

What does ByT5-XXL cost?

No reviewed source carries pricing for this record, so no price is reported here.