Ai2 (Allen Institute for AI)

Models & tools

• Molmo2 4B

  Ai2 (Allen Institute for AI) · Molmo2

  Four-billion-parameter vision model for images, image sets and video.

  Launch date not confirmedDownloadable
• Molmo2 8B

  Ai2 (Allen Institute for AI) · Molmo2

  Eight-billion-parameter Molmo2 model for understanding images and video.

  Launch date not confirmedDownloadable
• Molmo2 ER

  Ai2 (Allen Institute for AI) · Molmo2

  Four-billion-parameter model for visual reasoning about embodied tasks.

  Launch date not confirmedDownloadable
• Molmo2 O 7B

  Ai2 (Allen Institute for AI) · Molmo2

  Seven-billion-parameter Molmo2 O model for single images, image sets and video.

  Launch date not confirmedDownloadable
• MolmoAct2

  Ai2 (Allen Institute for AI) · MolmoAct2

  Robot-action model linking visual-language reasoning with a continuous action expert.

  Launch date not confirmedResearch releaseDownloadable
• MolmoAct2 Think

  Ai2 (Allen Institute for AI) · MolmoAct2

  MolmoAct2 robot-action model with added depth reasoning.

  Launch date not confirmedResearch releaseDownloadable
• MolmoMotion-4B-H1-F32

  Ai2 (Allen Institute for AI) · MolmoMotion

  Four-billion-parameter H1-F32 checkpoint for predicting 3D point motion from visual input and action instructions.

  Launch date not confirmedResearch releaseDownloadable
• MolmoMotion-4B-H3-F30

  Ai2 (Allen Institute for AI) · MolmoMotion

  Four-billion-parameter H3-F30 checkpoint that predicts 3D point trajectories from visual observations and action instructions.

  Launch date not confirmedResearch releaseDownloadable
• MolmoPoint 8B

  Ai2 (Allen Institute for AI) · MolmoPoint

  Eight-billion-parameter model that locates objects in images, image sets and video.

  Launch date not confirmedDownloadable
• MolmoPoint GUI 8B

  Ai2 (Allen Institute for AI) · MolmoPoint

  Interface-grounding model that selects a point in a single screenshot.

  Launch date not confirmedDownloadable
• MolmoPoint Vid 4B

  Ai2 (Allen Institute for AI) · MolmoPoint

  Four-billion-parameter model specialized in locating points in video.

  Launch date not confirmedDownloadable
• MolmoWeb 4B

  Ai2 (Allen Institute for AI) · MolmoWeb

  Four-billion-parameter visual model for web agents.

  Launch date not confirmedDownloadable
• MolmoWeb 8B

  Ai2 (Allen Institute for AI) · MolmoWeb

  Eight-billion-parameter model for visually guided web-agent work.

  Launch date not confirmedDownloadable
• Olmo 3 7B Instruct

  Ai2 (Allen Institute for AI) · Olmo

  Seven-billion-parameter instruction-tuned checkpoint in the Olmo 3 family.

  Launch date not confirmedDownloadable
• Olmo 3 7B Think

  Ai2 (Allen Institute for AI) · Olmo

  Seven-billion-parameter reasoning model in Ai2's Olmo 3 family.

  Launch date not confirmedDownloadable
• Olmo 3.1 32B Instruct

  Ai2 (Allen Institute for AI) · Olmo

  32-billion-parameter instruction-following model in Ai2's Olmo 3.1 family.

  Launch date not confirmedDownloadable
• Olmo 3.1 32B Think

  Ai2 (Allen Institute for AI) · Olmo

  32-billion-parameter Olmo reasoning model that produces extended reasoning traces.

  Launch date not confirmedDownloadable
• Olmo Hybrid 7B

  Ai2 (Allen Institute for AI) · Olmo Hybrid

  Pretrained seven-billion-parameter model combining recurrent layers with attention.

  Launch date not confirmedResearch releaseDownloadable
• OLMoASR base

  Ai2 (Allen Institute for AI) · OLMoASR

  74-million-parameter English speech-recognition model.

  Launch date not confirmedDownloadable
• OLMoASR large

  Ai2 (Allen Institute for AI) · OLMoASR

  Original 1.5-billion-parameter Large checkpoint for English speech recognition.

  Launch date not confirmedDownloadable
• OLMoASR large-v2

  Ai2 (Allen Institute for AI) · OLMoASR

  Large v2 OLMoASR checkpoint for English speech recognition, with 1.5 billion parameters.

  Launch date not confirmedDownloadable
• OLMoASR medium

  Ai2 (Allen Institute for AI) · OLMoASR

  769-million-parameter English speech-recognition model.

  Launch date not confirmedDownloadable
• OLMoASR small

  Ai2 (Allen Institute for AI) · OLMoASR

  244-million-parameter English speech-recognition model.

  Launch date not confirmedDownloadable
• OLMoASR tiny

  Ai2 (Allen Institute for AI) · OLMoASR

  39-million-parameter English speech-recognition model.

  Launch date not confirmedDownloadable
• olmOCR 2 7B 1025

  Ai2 (Allen Institute for AI) · olmOCR

  Document recognition model that converts page images into structured text.

  Launch date not confirmedDownloadable
• OLMoE 1B-7B January 2025 Instruct

  Ai2 (Allen Institute for AI) · OLMoE

  January 2025 instruction-tuned OLMoE mixture-of-experts checkpoint.

  Launch date not confirmedDownloadable
• SERA-32B

  Ai2 (Allen Institute for AI) · SERA

  32-billion-parameter repository coding agent derived from Qwen3-32B.

  Launch date not confirmedDownloadable
• SERA-32B-GA

  Ai2 (Allen Institute for AI) · SERA

  SERA's 32B-GA coding-agent checkpoint adapted from Qwen3-32B.

  Launch date not confirmedDownloadable
• SERA-8B

  Ai2 (Allen Institute for AI) · SERA

  Repository coding-agent model adapted from Qwen3-8B.

  Launch date not confirmedDownloadable
• SERA-8B-GA

  Ai2 (Allen Institute for AI) · SERA

  SERA's 8B-GA repository coding-agent checkpoint, based on Qwen3-8B.

  Launch date not confirmedDownloadable
• Tülu 3 405B

  Ai2 (Allen Institute for AI) · Tülu

  405-billion-parameter instruction-tuned adaptation of Meta's Llama 3.1.

  Launch date not confirmedDownloadable
• Tülu 3 70B

  Ai2 (Allen Institute for AI) · Tülu

  70-billion-parameter Llama 3.1 model adapted with Ai2's Tülu instruction training.

  Launch date not confirmedDownloadable
• Tülu 3 8B

  Ai2 (Allen Institute for AI) · Tülu

  Eight-billion-parameter instruction model adapted from Meta's Llama 3.1.

  Launch date not confirmedDownloadable
• Tülu 3.1 8B

  Ai2 (Allen Institute for AI) · Tülu

  Eight-billion-parameter Llama 3.1 adaptation from Ai2's Tülu 3.1 instruction-training work.

  Launch date not confirmedDownloadable