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OLMo 3 7B Instruct

Parameters

7B

Context Length

65.536K

Modality

Text

Architecture

Dense

License

Apache 2.0

Release Date

25 Oct 2025

Knowledge Cutoff

Dec 2024

Technical Specifications

Attention Structure

Multi-Head Attention

Hidden Dimension Size

4096

Number of Layers

32

Attention Heads

32

Key-Value Heads

32

Activation Function

SwigLU

Normalization

RMS Normalization

Position Embedding

Absolute Position Embedding

OLMo 3 7B Instruct

OLMo 3 7B Instruct is a specialized large language model developed by the Allen Institute for AI (AI2), designed to advance the scientific study of language modeling through complete transparency. As a core component of the OLMo 3 family, this instruction-tuned variant is optimized for low-latency, multi-turn dialogue, complex instruction following, and function-calling capabilities. It serves as a highly accessible and efficient workhorse for both research and production environments, bridging the gap between open-weights and fully open-source initiatives.

Technically, the model utilizes a standard decoder-only Transformer architecture with 7 billion parameters. The training pipeline is notably rigorous, involving a staged progression that begins with pre-training on the Dolma 3 dataset, followed by mid-training on targeted data mixes and context extension to support a 65,536-token window. The post-training methodology for the Instruct variant integrates Supervised Fine-Tuning (SFT), Direct Preference Optimization (DPO), and Reinforcement Learning from Verifiable Rewards (RLVR) on the Dolci-Instruct datasets, focusing on accuracy and adherence to user intent.

Innovation in the OLMo 3 series lies not in exotic architecture but in its exhaustive transparency. AI2 provides unrestricted access to the training code, pre-training data recipes, intermediate checkpoints, and detailed training logs. This enables practitioners to audit the model's lineage, reproduce results, or continue pre-training from specific historical states. The 7B Instruct model is particularly well-suited for applications requiring a balance of reasoning capability and computational efficiency, such as conversational agents, local coding assistants, and educational tools.

About OLMo 3

OLMo (Open Language Model) is a series of fully open language models designed to enable the science of language models. Released by the Allen Institute for AI (Ai2), OLMo 3 provides complete access to training data (Dolma 3), code, checkpoints, logs, and evaluation methodologies. The family includes Base models for pretraining research, Instruct variants for chat and tool use, and Think variants with chain-of-thought reasoning capabilities. All models are trained with staged approach including pretraining, mid-training, and long-context phases.


Other OLMo 3 Models

Evaluation Benchmarks

No evaluation benchmarks for OLMo 3 7B Instruct available.

Rankings

Overall Rank

-

Coding Rank

-

Model Transparency

Total Score

86

GPU Requirements

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Context Size: 1,024 tokens

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OLMo 3 7B Instruct: Specifications and GPU VRAM Requirements