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Open-weight model families

97 articles

TinyLlama

TinyLlama is an open-weight small language model of 1.1 billion parameters, trained on 3 trillion tokens in 2023 by a four-person team at the Singapore University of Technology and Design.

Tongyi DeepResearch

Tongyi DeepResearch is an open-source agentic large language model from Alibaba's Tongyi Lab, released in September 2025 with 30.5 billion parameters and built for autonomous, long-horizon web research tasks.

Tsuzumi (model family)

Tsuzumi is a family of large language models for Japanese and English developed by NTT, announced in 2023 with lightweight versions that run on a CPU or a single GPU.

Tulu (AI model family)

Tulu (Tülu) is a family of open instruction-following language models from the Allen Institute for AI, first released in 2023 with full training data and code.

WizardLM

WizardLM is a family of open-weight, instruction-tuned large language models from Microsoft Research, released in 2023 and trained on synthetic Evol-Instruct data, with spin-offs WizardCoder and WizardMath.

Xiaomi MiMo

Xiaomi MiMo is a family of large language models from Chinese electronics maker Xiaomi, beginning in April 2025 with the open-sourced 7-billion-parameter reasoning model MiMo-7B.

Yi (model family)

Yi is a family of bilingual Chinese-English large language models released by 01.AI, starting with open-weight 6B and 34B base models in November 2023 and later adding closed API flagships like Yi-Large and Yi-Lightning.