# T5Gemma: A new collection of encoder-decoder Gemma models

DevFeed: [T5Gemma: A new collection of encoder-decoder Gemma models](<https://devfeed.tech/articles/t5gemma-a-new-collection-of-encoder-decoder-gemma-models-6250.md>)

Original publisher: [Read original article](<https://deepmind.google/blog/t5gemma-a-new-collection-of-encoder-decoder-gemma-models/>)

Author: Biao Zhang; Paul Suganthan; Ben Hora

Published: 2025-10-25T18:14:00Z

Content type: article

Language: en

Sources: [Google DeepMind News](<https://devfeed.tech/sources/google-deepmind-news.md>)

Topics: [gemma](<https://devfeed.tech/topics/gemma.md>), [Large Language Model](<https://devfeed.tech/topics/llm.md>), [Transformer](<https://devfeed.tech/topics/transformer.md>), [LLM Techniques](<https://devfeed.tech/topics/llm-techniques.md>), [LLM evaluation / benchmarking](<https://devfeed.tech/topics/llm-evaluation-benchmarking.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [gemma](<https://devfeed.tech/tags/gemma.md>), [inference](<https://devfeed.tech/tags/inference.md>), [inference-efficiency](<https://devfeed.tech/tags/inference-efficiency.md>), [llms](<https://devfeed.tech/tags/llms.md>), [models](<https://devfeed.tech/tags/models.md>), [performance](<https://devfeed.tech/tags/performance.md>), [research](<https://devfeed.tech/tags/research.md>), [training](<https://devfeed.tech/tags/training.md>)

## AI overview

The article introduces T5Gemma, a collection of encoder-decoder large language models created by adapting pretrained decoder-only Gemma 2 models. It describes pretrained and instruction-tuned variants, flexible encoder-decoder configurations, and reported quality and inference-efficiency advantages across benchmarks such as SuperGLUE.

## Source excerpt

Introducing T5Gemma, a new collection of encoder-decoder LLMs.