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Allen Institute for AI (Ai2)·Dec 10, 2025·v3.1·open source

Olmo-3.1 32B Instruct

Olmo-3.1 32B Instruct is a powerful open-language model from the Olmo 3 family, specifically designed for conversational and reasoning tasks. It is pre-trained on the Dolma 3 dataset and post-trained on Dolci datasets, offering high-level performance across math, coding, and general reasoning benchmarks.

open-sourcellmreasoningconversational-ai
overview

Olmo-3.1 32B Instruct is a powerful open-language model from the Olmo 3 family, specifically designed for conversational and reasoning tasks. It is pre-trained on the Dolma 3 dataset and post-trained on Dolci datasets, offering high-level performance across math, coding, and general reasoning benchmarks.

key features
  • 0132-billion parameter autoregressive transformer architecture
  • 02Enhanced reasoning capabilities for complex math and coding tasks
  • 03Permissive Apache 2.0 licensing for research and commercial use
  • 04Seamless integration with Transformers, vLLM, and SGLang
  • 05Trained on high-quality Dolma 3 and Dolci-Instruct-RL datasets
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