_version_ 1866914471947010048
author Olmo, Team
:
Ettinger, Allyson
Bertsch, Amanda
Kuehl, Bailey
Graham, David
Heineman, David
Groeneveld, Dirk
Brahman, Faeze
Timbers, Finbarr
Ivison, Hamish
Morrison, Jacob
Poznanski, Jake
Lo, Kyle
Soldaini, Luca
Jordan, Matt
Chen, Mayee
Noukhovitch, Michael
Lambert, Nathan
Walsh, Pete
Dasigi, Pradeep
Berry, Robert
Malik, Saumya
Shah, Saurabh
Geng, Scott
Arora, Shane
Gupta, Shashank
Anderson, Taira
Xiao, Teng
Murray, Tyler
Romero, Tyler
Graf, Victoria
Asai, Akari
Bhagia, Akshita
Wettig, Alexander
Liu, Alisa
Rangapur, Aman
Anastasiades, Chloe
Huang, Costa
Schwenk, Dustin
Trivedi, Harsh
Magnusson, Ian
Lochner, Jaron
Liu, Jiacheng
Miranda, Lester James V.
Sap, Maarten
Morgan, Malia
Schmitz, Michael
Guerquin, Michal
Wilson, Michael
Huff, Regan
Bras, Ronan Le
Xin, Rui
Shao, Rulin
Skjonsberg, Sam
Shen, Shannon Zejiang
Li, Shuyue Stella
Wilde, Tucker
Pyatkin, Valentina
Merrill, Will
Chang, Yapei
Gu, Yuling
Zeng, Zhiyuan
Sabharwal, Ashish
Zettlemoyer, Luke
Koh, Pang Wei
Farhadi, Ali
Smith, Noah A.
Hajishirzi, Hannaneh
author_facet Olmo, Team
:
Ettinger, Allyson
Bertsch, Amanda
Kuehl, Bailey
Graham, David
Heineman, David
Groeneveld, Dirk
Brahman, Faeze
Timbers, Finbarr
Ivison, Hamish
Morrison, Jacob
Poznanski, Jake
Lo, Kyle
Soldaini, Luca
Jordan, Matt
Chen, Mayee
Noukhovitch, Michael
Lambert, Nathan
Walsh, Pete
Dasigi, Pradeep
Berry, Robert
Malik, Saumya
Shah, Saurabh
Geng, Scott
Arora, Shane
Gupta, Shashank
Anderson, Taira
Xiao, Teng
Murray, Tyler
Romero, Tyler
Graf, Victoria
Asai, Akari
Bhagia, Akshita
Wettig, Alexander
Liu, Alisa
Rangapur, Aman
Anastasiades, Chloe
Huang, Costa
Schwenk, Dustin
Trivedi, Harsh
Magnusson, Ian
Lochner, Jaron
Liu, Jiacheng
Miranda, Lester James V.
Sap, Maarten
Morgan, Malia
Schmitz, Michael
Guerquin, Michal
Wilson, Michael
Huff, Regan
Bras, Ronan Le
Xin, Rui
Shao, Rulin
Skjonsberg, Sam
Shen, Shannon Zejiang
Li, Shuyue Stella
Wilde, Tucker
Pyatkin, Valentina
Merrill, Will
Chang, Yapei
Gu, Yuling
Zeng, Zhiyuan
Sabharwal, Ashish
Zettlemoyer, Luke
Koh, Pang Wei
Farhadi, Ali
Smith, Noah A.
Hajishirzi, Hannaneh
contents We introduce Olmo 3, a family of state-of-the-art, fully-open language models at the 7B and 32B parameter scales. Olmo 3 model construction targets long-context reasoning, function calling, coding, instruction following, general chat, and knowledge recall. This release includes the entire model flow, i.e., the full lifecycle of the family of models, including every stage, checkpoint, data point, and dependency used to build it. Our flagship model, Olmo 3 Think 32B, is the strongest fully-open thinking model released to-date.
format Preprint
id arxiv_https___arxiv_org_abs_2512_13961
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Olmo 3
Olmo, Team
:
Ettinger, Allyson
Bertsch, Amanda
Kuehl, Bailey
Graham, David
Heineman, David
Groeneveld, Dirk
Brahman, Faeze
Timbers, Finbarr
Ivison, Hamish
Morrison, Jacob
Poznanski, Jake
Lo, Kyle
Soldaini, Luca
Jordan, Matt
Chen, Mayee
Noukhovitch, Michael
Lambert, Nathan
Walsh, Pete
Dasigi, Pradeep
Berry, Robert
Malik, Saumya
Shah, Saurabh
Geng, Scott
Arora, Shane
Gupta, Shashank
Anderson, Taira
Xiao, Teng
Murray, Tyler
Romero, Tyler
Graf, Victoria
Asai, Akari
Bhagia, Akshita
Wettig, Alexander
Liu, Alisa
Rangapur, Aman
Anastasiades, Chloe
Huang, Costa
Schwenk, Dustin
Trivedi, Harsh
Magnusson, Ian
Lochner, Jaron
Liu, Jiacheng
Miranda, Lester James V.
Sap, Maarten
Morgan, Malia
Schmitz, Michael
Guerquin, Michal
Wilson, Michael
Huff, Regan
Bras, Ronan Le
Xin, Rui
Shao, Rulin
Skjonsberg, Sam
Shen, Shannon Zejiang
Li, Shuyue Stella
Wilde, Tucker
Pyatkin, Valentina
Merrill, Will
Chang, Yapei
Gu, Yuling
Zeng, Zhiyuan
Sabharwal, Ashish
Zettlemoyer, Luke
Koh, Pang Wei
Farhadi, Ali
Smith, Noah A.
Hajishirzi, Hannaneh
Computation and Language
Machine Learning
We introduce Olmo 3, a family of state-of-the-art, fully-open language models at the 7B and 32B parameter scales. Olmo 3 model construction targets long-context reasoning, function calling, coding, instruction following, general chat, and knowledge recall. This release includes the entire model flow, i.e., the full lifecycle of the family of models, including every stage, checkpoint, data point, and dependency used to build it. Our flagship model, Olmo 3 Think 32B, is the strongest fully-open thinking model released to-date.
title Olmo 3
topic Computation and Language
Machine Learning
url https://arxiv.org/abs/2512.13961