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Lab · the US

Ai2 (Allen Institute)

AI models from Ai2 (Allen Institute): 558 models in the catalog, version timeline, prices and sourced benchmarks.

  • 558 models in the catalog
  • 553 with open weights
  • 5 closed or without public weights
  • 1 with sourced benchmarks
  • 1 with a page here

We count grouped models: Instruct, Base, quantized and size variants of the same line become one. Behind that there are 983 Hugging Face repositories, 0 OpenRouter endpoints and 28 historical records at Epoch AI.

Version timeline by family

Main model lines

20242024Tulu2Tulu 2, 20233Tulu 3, 202420242024Tulu2Tulu 2, 20233Tulu 3, 2024
Research and others (32)
2019201920202020202120212022202220232023202420242025202520262026Transformer ELMoTransformer…Transformer ELMo, 2019SciBERTSciBERTSciBERT, 2019Sandwich TransformerSandwich Tr…Sandwich Transformer, 2019UnifiedQAUnifiedQAUnifiedQA, 2020SpecterSpecterSpecter, 20202Specter 2, 2023UnicornUnicornUnicorn, 2021Biomed RobertaBiomed Robe…Biomed Roberta, 2022Led BaseLed Base 16384Led Base 16384, 2022Longformer BaseLongformer Base-4096Longformer Base-4096, 2022Scibert Scivocab CasedScibert Sci…Scibert Scivocab Cased, 2022Scibert Scivocab Unca…Scibert Scivocab UncasedScibert Sci…Scibert Scivocab Uncased, 2022Unified-IO (XL)Unified-IO …Unified-IO (XL), 2022DelphiDelphiDelphi, 2022OLMoOLMoOLMo, 2024OLMo 1.7, 20242OLMo 2, 20243OLMo 3, 2025OLMo 3.1, 2025WildguardWildguardWildguard, 2024OLMoEOLMoEOLMoE, 2024MolmoEMolmoEMolmoE, 2024MolmoMolmoMolmo, 2024Molmo 72B, 20242Molmo 2, 2025Molmo-7B-DMolmo-7B-DMolmo-7B-D, 2024Molmo-7B-OMolmo-7B-OMolmo-7B-O, 2024Llama3.1Llama 3.1, 2024olmOCRolmOCRolmOCR, 20252olmOCR 2, 2025CodeScientistCodeScienti…CodeScientist, 2025DataDecide-dolma1DataDecide-dolma 1, 2025AtlantesAtlantesAtlantes, 2025MolmoAct-7B-DMolmoAct-7B…MolmoAct-7B-D, 2025OlmoEarth1OlmoEarth 1, 2025BolmoBolmoBolmo, 2025SERASERASERA, 2026Olmo-HybridOlmo-HybridOlmo-Hybrid, 2026MolmoWebMolmoWebMolmoWeb, 2026MolmoAct2MolmoAct 2, 202620192019202120212023202320252025Transformer ELMoTransformer ELMo, 2019SciBERTSciBERT, 2019Sandwich TransformerSandwich Transformer, 2019UnifiedQAUnifiedQA, 2020SpecterSpecter, 20202Specter 2, 2023UnicornUnicorn, 2021Biomed RobertaBiomed Roberta, 2022Led BaseLed Base 16384, 2022Longformer BaseLongformer Base-4096, 2022Scibert Scivocab CasedScibert Scivocab Cased, 2022Scibert Scivocab UncasedScibert Scivocab Uncased, 2022Unified-IO (XL)Unified-IO (XL), 2022DelphiDelphiDelphi, 2022OLMoOLMoOLMo, 2024OLMo 1.7, 20242OLMo 2, 20243OLMo 3, 2025OLMo 3.1, 2025WildguardWildguard, 2024OLMoEOLMoEOLMoE, 2024MolmoEMolmoEMolmoE, 2024MolmoMolmoMolmo, 2024Molmo 72B, 20242Molmo 2, 2025Molmo-7B-DMolmo-7B-D, 2024Molmo-7B-OMolmo-7B-O, 2024Llama3.1Llama 3.1, 2024olmOCRolmOCRolmOCR, 2025olmOCR 2, 2025CodeScientistCodeScientist, 2025DataDecide-dolma1DataDecide-dolma 1, 2025AtlantesAtlantes, 2025MolmoAct-7B-DMolmoAct-7B-D, 2025OlmoEarth1OlmoEarth 1, 2025BolmoBolmoBolmo, 2025SERASERASERA, 2026Olmo-HybridOlmo-Hybrid, 2026MolmoWebMolmoWeb, 2026MolmoAct2MolmoAct 2, 2026

This group holds benchmarks, datasets, research artifacts, and lines from brands that are not in this area's catalog.

Tap a point to see the version.Tap or hover over a point to see the version. Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.

Models with a page (1)

ModelFamilyWeightsUse casesInput US$/1MContextGPQADates in sources
Tulu 3 (Tülu 3) 70BTuluopenTextno datano data46.3%2024

Other lab models in the catalog (41)

ModelModalityWeightsContextInput US$/1MDownloads (30 days)1ª
longformersem rótuloopenno datano data838,8512022
specter2embeddings, sem rótuloopenno datano data661,3712023
olmOCRmultimodal, sem rótuloopenno datano data298,2502025
OLMo-2sem rótulo, textoopenno datano data289,0082024
Olmo-3textoopenno datano data264,7542025
olmOCR-2multimodalopenno datano data254,8432025
scibert_scivocab_uncasedsem rótuloopenno datano data185,6772022
OLMosem rótulo, textoopenno datano data60,4112024
OLMoEsem rótulo, textoopenno datano data108,4622024
wildguardtextoopenno datano data118,3392024
Molmo2multimodalopenno datano data70,8482025
Olmo-3-7B-Thinktextoopenno datano data58,7062025
Molmo-7B-Dmultimodalopenno datano data8,0002024
Olmo-3-7B-Instruct-SFTtextoopenno datano data41,5452025
Llama-3.1-Tulu-3textoopenno datano data6,9042024
Molmo2-Omultimodalopenno datano data33,4582025
Molmomultimodalopenno datano data1,8982024
biomed_robertasem rótuloopenno datano data28,4542022
Olmo-3.1textoopenno datano data21,4922025
Olmo-3-32B-Thinktextoopenno datano data12,1082025
Olmo-3-7B-Instruct-DPOtextoopenno datano data24,7492025
tulu-2-dpotextoopenno datano data1,9862023
DataDecide-dolma1_7sem rótuloopenno datano data20,8832025
SERAsem rótuloopenno datano data3,3262026
OlmoEarth-v1_2visãoopenno datano data19,6512026
OlmoEarth-v1sem rótuloopenno datano data15,2012025
specterembeddings, textoopenno datano data12,8572020
Olmo-3.1-32B-Thinktextoopenno datano data7,3302025
MolmoAct2-SO100_101robóticaopenno datano data16,2822026
Olmo-Hybridtextoopenno datano data12,4852026
Molmo-7B-Omultimodalopenno datano data2,2892024
MolmoEmultimodalopenno datano data1,0342024
led-base-16384sem rótuloopenno datano data10,2532022
scibert_scivocab_casedsem rótuloopenno datano data13,3952022
Olmo-3.1-32B-Instruct-DPOtextoopenno datano data13,0662025
OlmoEarth-v1-Tinysem rótuloopenno datano data12,3022025
Bolmotextoopenno datano data2,1722025
MolmoWebmultimodalopenno datano data2,4492026
MolmoAct2-LIBEROrobóticaopenno datano data10,0012026
MolmoAct2multimodal, robóticaopenno datano data3,8332026
MolmoAct-7B-Drobóticaopenno datano data4962025

Sources

  • Hugging Face Hub, metadados públicos do Hub; licença de cada modelo no repositório, latest version we checked.
  • OpenRouter, dados públicos da API; exports de benchmarks e rankings em CC BY 4.0, latest version we checked.
  • Epoch AI, CC BY 4.0, latest version we checked.

Dates come from the sources: OpenRouter listing or Hugging Face repo creation, which may differ from the official launch. Family and version were grouped by rule from the name.