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.
Olmo 3
Olmo 3, a family of state-of-the-art fully-open language models at 7B and 32B parameter scales, excels in long-context reasoning, function calling, coding, instruction following, general chat, and knowledge recall.
- Year
- 2025
- Venue
- arXiv 2025
- Authors
- 68
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- Abstract onlyARXIV-DEFAULT
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- arxiv.org/abs/2512.13961ARXIV-DEFAULT
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Authors
68Alexander WettigAli FarhadiAlisa LiuFaeze BrahmanFinbarr TimbersHamish IvisonHannaneh HajishirziJacob MorrisonLuke ZettlemoyerNathan LambertSaumya MalikValentina PyatkinDavid HeinemanHarsh TrivediTeam OLMoPete WalshLuca SoldainiDirk GroeneveldKyle LoShane AroraAkshita BhagiaYuling GuMatt JordanDustin SchwenkTaira AndersonPradeep DasigiMichal GuerquinPang Wei KohJiacheng LiuLester James V. MirandaTyler MurrayAman RangapurMichael SchmitzSam SkjonsbergMichael WilsonNoah A. SmithJake PoznanskiRegan HuffVictoria GrafRonan Le BrasIan MagnussonSaurabh ShahRobert BerryAkari AsaiAshish SabharwalMaarten SapAllyson EttingerAmanda BertschBailey KuehlDavid GrahamMayee ChenMichael NoukhovitchScott GengShashank GuptaTeng XiaoTyler RomeroChloe AnastasiadesCosta HuangJaron LochnerMalia MorganRui XinRulin ShaoShannon Zejiang ShenShuyue Stella LiTucker WildeWill MerrillYapei ChangZhiyuan Zeng