Ornith-1.5-122B open-weights model claims 84.5% SWE-bench Verified, runs on a single DGX card

Teknium · x · 2026-10-21

Ornith-1.5-122B is now available for free in Nous Portal for 48 hours, released under MIT license with open weights on Hugging Face. The team claims SOTA performance among open-source models of comparable size while running on a single NVIDIA DGX card.

Reported scores include coding benchmarks SWE-bench Verified 0.845, TB2.1 0.813, CyberGym 0.800 and NL2Repo 0.512, plus agentic benchmarks HLE 0.446, BrowseComp 0.785, MCP-Atlas 0.746 and Toolathlon 0.708. The model targets instruction following, task decomposition and real-world workflow understanding for agent use cases.

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