Ornith AI has released Ornith-1.5, a new family of open-source large language models. The models range in size from 9 billion to 397 billion parameters, including dense and Mixture-of-Experts (MoE) architectures. Ornith-1.5 claims to achieve state-of-the-art performance among open-source models of comparable size and rivals the performance of Claude Opus 4.8 on various reasoning, coding, and agentic tasks. AI
IMPACT Provides a new high-performance open-source alternative for researchers and developers, potentially driving innovation in the open-source LLM community.
RANK_REASON New open-source model release from a recognized AI lab. [lever_c_demoted from frontier_release: ic=2 ai=1.0]
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