allenai

Toolkit for linearizing PDFs for LLM datasets/training

An open-source NLP research library, built on PyTorch.

Modeling, training, eval, and inference code for OLMo

AllenAI's post-training codebase

A modular RL library to fine-tune language models to human preferences

Longformer: The Long-Document Transformer

A full spaCy pipeline and models for scientific/biomedical documents.

An open-source platform for Visual AI.

PyTorch building blocks for the OLMo ecosystem

A BERT model for scientific text.

Tensorflow implementation of contextualized word representations from bi-directional language models

Data and tools for generating and inspecting OLMo pre-training data.

Bi-directional Attention Flow (BiDAF) network is a multi-stage hierarchical process that represents context at different levels of granularity and uses a bi-directional attention flow mechanism to...

🪐 Objaverse-XL is a Universe of 10M+ 3D Objects. Contains API Scripts for Downloading and Processing!

OLMoE: Open Mixture-of-Experts Language Models

S2ORC: The Semantic Scholar Open Research Corpus: https://www.aclweb.org/anthology/2020.acl-main.447/

Expanding natural instructions

MultimodalC4 is a multimodal extension of c4 that interleaves millions of images with text.

Code for the Molmo Vision-Language Model

ImageNet classification using binary Convolutional Neural Networks

Official Repository for MolmoAct2

library supporting NLP and CV research on scientific papers

Official code for VisProg (CVPR 2023 Best Paper!)

Given a scholarly PDF, extract figures, tables, captions, and section titles.

Code for the Molmo2 Vision-Language Model

RewardBench: the first evaluation tool for reward models.

Science Parse parses scientific papers (in PDF form) and returns them in structured form.

One framework to evaluate any VLA model on any robot simulation benchmark.

Allen Institute for AI: WildDet3D: Scaling Promptable 3D Detection in the Wild

SPECTER: Document-level Representation Learning using Citation-informed Transformers

CVPR 2024: Language Guided Generation of 3D Embodied AI Environments.

Organize your experiments into discrete steps that can be cached and reused throughout the lifetime of your research project.

Officially supported AllenNLP models

A companion repository for the "Writing code for NLP Research" Tutorial at EMNLP 2018

Code associated with the Don't Stop Pretraining ACL 2020 paper

A template repo for Python packages

An end-to-end open ecosystem for robot learning

An open-source implementation of Whisper

🏘️ Scaling Embodied AI by Procedurally Generating Interactive 3D Houses

Parsers for scientific papers (PDF2JSON, TEX2JSON, JATS2JSON)

Code and data for "Lumos: Learning Agents with Unified Data, Modular Design, and Open-Source LLMs"

Multi-angle c(q)uestion answering

UnifiedQA: Crossing Format Boundaries With a Single QA System

Software that makes labeling PDFs easy.

Data and code for Kang et al., NAACL 2018's paper titled "A Dataset of Peer Reviews (PeerRead): Collection, Insights and NLP Applications"

An interactive PDF reader.

Reproducible, flexible LLM evaluations

ScienceWorld is a text-based virtual environment centered around accomplishing tasks from the standardized elementary science curriculum.

Materials from the ACL 2018 tutorial on neural semantic parsing

A deep NLP library, based on Keras / tf, focused on question answering (but useful for other NLP too)

Official Repository for MolmoAct

Provides a common interface to many IR ranking datasets.

An open source framework for research in Embodied-AI from AI2.

Evaluation suite for LLMs

KnowBert -- Knowledge Enhanced Contextual Word Representations

Earth system foundation model data, training, and eval

Friends of OLMo and their links.

CodeScientist: An automated scientific discovery system for code-based experiments

Quality information extraction at web scale. Edit

Repo housing the open sourced code for the ai2 scholar qa app and also the corresponding library

Public space for the user community of Semantic Scholar APIs to share scripts, report issues, and make suggestions.

Data and models for the SciFact verification task.

📷 Scripts for rendering Objaverse

Website for hosting the Open Foundation Models Cheat Sheet.

Benchmarking LLMs with Challenging Tasks from Real Users

Science-parse version 2

frozen-in-time version of our Paper Finder agent for reproducing evaluation results

A tool to use the Ai2 Open Coding Agents Soft-Verified Efficient Repository Agents (SERA) model with Claude Code

What's In My Big Data (WIMBD) - a toolkit for analyzing large text datasets

A virtual environment for developing and evaluating automated scientific discovery agents.

Dataset Cartography: Mapping and Diagnosing Datasets with Training Dynamics

Official code for NeurIPS 2025 paper "AutoDiscovery: Open-ended Scientific Discovery via Bayesian Surprise"

Code for the AllenNLP demo.

A citation recommendation system that allows users to find relevant citations for their paper drafts. The tool is backed by Semantic Scholar's OpenCorpus dataset.

Learning to Learn how to Learn: Self-Adaptive Visual Navigation using Meta-Learning (https://arxiv.org/abs/1812.00971)

Pretraining Efficiently on S2ORC!

Get started with CORD-19

Incorporating VIsual LAyout Structures for Scientific Text Classification

Dataset of medical images, captions, subfigure-subcaption annotations, and inline textual references

Variational Methods for Pretraining in Resource-limited Environments

Staging area for a public release of Theorizer

ACL 2025: Synthetic data generation pipelines for text-rich images.

Source code and utilities for the Genesys distributed language model architecture discovery system.

Discovering Data-driven Hypotheses in the Wild