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Allen Institute for AI

What Allen Institute for AI does

Allen Institute for AI (Ai2) is a Seattle-based nonprofit AI research institute founded in 2014 by the late Paul Allen, focused on building and advancing “truly open” AI to solve major scientific and societal problems. Ai2’s stated mission is to build breakthrough AI to solve the world’s biggest problems, emphasizing transparency, reproducibility, and broad community access to research artifacts (data, code, model weights, training recipes, and evaluation tools).

Strategically, Ai2 operates like a public research lab with multiple model and application lines: (1) open language and multimodal model development (e.g., Olmo and Molmo families), (2) open post-training and training infrastructure aimed at making model behavior understandable and extensible (e.g., Tülu 3 and Olmo 3’s “model flow” concept), and (3) AI systems for applied scientific discovery (e.g., AutoDiscovery and related evaluation/agent ecosystems).

Institutionally, Ai2 also acts as a compute-and-infrastructure steward for open scientific AI, including an NSF/NVIDIA-funded effort (NSF OMAI) to build a national open multimodal AI infrastructure and develop fully open AI models for the U.S. scientific community.

News

Company record

May 05, 2026 · Official · Ai2MolmoAct 2: An open foundation for robots that work in the real world

Ai2 released MolmoAct 2 and reported open code/data releases, including integration into Hugging Face’s LeRobot platform; Ai2 also described training-data releases and evaluation outcomes.

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May 01, 2026 · Official · Ai2What’s next for Ai2: A conversation with Interim CEO Peter Clark

Ai2 published a CEO interview describing Ai2’s focus on long-term, high-impact research and emphasizing the institute’s openness commitment amid rapid progress in AI.

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Mar 24, 2026 · Official · Ai2MolmoWeb: An open agent for automating web tasks

Ai2 released MolmoWeb with a published codebase (training code, evaluation harness, annotation tool, synthetic data generation pipeline, and demo client code) and described agent evaluation targets.

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Mar 11, 2026 · Official · Ai2MolmoBot: Training robot manipulation entirely in simulation

Ai2 described and released an expanded MolmoBot stack, including updates such as a code/data release and a dataset of expert manipulation trajectories across objects and procedurally generated environments.

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Nov 20, 2025 · Official · Ai2Olmo 3: Charting a path through the model flow to lead open-source AI

Ai2 announced Olmo 3 and framed it around a fully documented model flow exposing stages, datasets, and training components, including multiple Olmo 3 pathways and checkpoints.

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Aug 14, 2025 · Official · NSFNSF and NVIDIA partnership enables Ai2 to develop fully open AI models to fuel U.S. scientific innovation

NSF reported the combined $152M NSF+NVIDIA support for Ai2’s NSF OMAI effort to build national open multimodal AI infrastructure and develop fully open AI models for scientific use.

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Date not disclosed · Official · Ai2Ai2 and Providence Swedish Cancer Institute partner to advance AI-assisted discovery (AutoDiscovery deployment into cancer research datasets)

Ai2 announced a partnership with the Paul G. Allen Research Center at Providence Swedish Cancer Institute to apply AutoDiscovery across cancer research datasets, including deployments involving protected data and local execution within Providence’s cloud environment.

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Date not disclosed · Official · Ai2Ai2 expands collaboration with Hugging Face to accelerate open science

Ai2 announced an expanded collaboration with Hugging Face to strengthen availability of Ai2 research artifacts and integrate them into Hugging Face workflows; the announcement also highlights an OCR benchmark workflow (olmOCR-Bench).

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Show 3 earlier updates
Date not disclosed · Official · Ai2Olmo Hybrid: Combining transformers and linear RNNs for superior scaling

Ai2 described Olmo Hybrid’s architectural approach and presented reported data/compute efficiency results and evaluation comparisons versus Olmo 3-era baselines.

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Date not disclosed · Official · Ai2Open by design: Ai2 brings fully open AI infrastructure online with NSF OMAI

Ai2 reported new compute coming online for NSF OMAI and described how its research directions across language and multimodal disciplines are converging as the infrastructure becomes available.

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Date not disclosed · Official · Ai2Tülu 3 (brand/platform page)

Ai2’s Tülu 3 page outlines its fully open data/code/recipes posture for modern post-training, along with linked artifacts for models, data, training code, and evaluation.

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Source map · 2 recurring channels · 54 references
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Still resolving: Newsroom · Official X

Funding

Latest disclosed valuationNot disclosed
Tracked capital$337M5 sourced rounds
DateRoundRaisedValuationLead / investorsEvidence
Apr 04, 2025partnership investment commitment (grant/donation-style joint investment)$20M—
Not attributed
+2 investors
Jan 17, 2020incubator fund (investment capital)$10M—
Feb 28, 2018philanthropic commitment (grant/donation pledge)$125M—

What it builds

Olmo 3 (open language model family + fully documented “model flow”)

Ai2’s Olmo 3 family provides multiple open checkpoints (e.g., base, thinking, instruct) and releases an end-to-end, fully documented model flow intended to make training-data and stage-level customization and inspection feasible for external researchers.

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Molmo (multimodal vision-language model family)

Ai2’s Molmo work covers open multimodal modeling, with releases described as open-model components for multimodal understanding tasks (weights and associated artifacts vary by release).

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Tülu 3 (open instruction-following post-training family)

Tülu 3 is an instruction-following model family positioned as fully open in data, code, and recipes for modern post-training techniques, with open tooling across supervised fine-tuning, preference tuning, and related stages.

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MolmoAct 2 (open robotics foundation for real-world manipulation)

MolmoAct 2 is an open robotics foundation model described as an upgrade to enable action reasoning and manipulation workflows, with Ai2 publishing associated code/data artifacts and reporting real-world evaluation results.

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MolmoWeb (open agent for automating web tasks)

MolmoWeb is an open agent for automating web tasks, with Ai2 releasing training code, evaluation harness, an annotation tool, and a demo to support customization and agent evaluation.

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OlmoTrace (tooling to trace model outputs back to training data)

OlmoTrace is an Ai2 tool described as enabling inspection of where and how model behaviors may relate to training data, supporting more transparent model analysis workflows for Olmo 3.

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Key metrics

Milestones & partnerships

May 05, 2026
MolmoAct 2 open robotics foundation release

Ai2 published MolmoAct 2 as an open robotics foundation, including code and training data openings and integration references to LeRobot.

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Apr 10, 2026
MolmoWeb code release update (within the release post)

Ai2’s MolmoWeb post includes an update noting the codebase release timeline for the MolmoWeb system.

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Mar 24, 2026
MolmoWeb open agent release for web automation

Ai2 released MolmoWeb with training code, evaluation harness, annotation tools, and demo client code aimed at enabling customization and evaluation.

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Nov 20, 2025
Olmo 3 flagship release introducing “model flow” access

Ai2 announced Olmo 3 including multiple model variants and release of the underlying model flow components (stages, datasets, checkpoints, and tooling).

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Aug 14, 2025
NSF+NVIDIA award announced for NSF OMAI ($152M combined)

NSF announced partnership funding for the OMAI project led by Ai2 with combined $152M support.

NVIDIA · Allen Institute for AI (Ai2)
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Date not disclosed
Ai2 emphasizes “fully open” by releasing end-to-end model flows and traceability tooling

Ai2’s Olmo 3 announcement describes releasing a fully documented training/model flow and integrating tracing tools (e.g., OlmoTrace) to connect training data and decisions to model behaviors.

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Date not disclosed
NSF OMAI: national open multimodal AI infrastructure initiative

Ai2 describes NSF OMAI as a national infrastructure project supported by NSF and NVIDIA to build fully open AI models and solutions for accelerating scientific discovery.

National Science Foundation (NSF) · NVIDIA
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