Basaltlabs Monolith-1.0 – #1 on Last Exam, AIME, GPQA Diamond, MMLU-Pro

Basaltlabs released Monolith-1.0, an open-weight AI model that achieves top scores on reasoning benchmarks including Last Exam, AIME, GPQA Diamond, and MMLU-Pro. The model's weights are available on Hugging Face, with full evaluation protocols and training details published in an accompanying paper.

The frontier is open. Monolith-1.0 leads every major reasoning benchmark, and its weights are on Hugging Face. Reasoning, math, science, and long-context analysis. Evaluation protocols and reproduction details are published alongside every release. Full model card, evaluations, and training details available in the paper.