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AI Model Releases

166 summarised stories about AI Model Releases, each linking back to the original source. Browse all topics →

Wednesday, 15 April 2026

Customized Amazon Nova models improve molecular-property prediction in drug discovery

Amazon Science 3 months ago

Amazon and Nimbus Therapeutics fine-tuned Amazon Nova LLMs to predict molecular properties in drug discovery, matching the accuracy of specialized graph neural networks. Fine-tuned Nova 2 Lite achieved 5% lower average error than baseline GNNs while matching or exceeding them on 7 of 11 molecular properties tested. The approach reduces operational complexity by replacing multiple separately-trained models with a single model that chemists can query conversationally for predictions and reasoning.

Parcae: Doing more with fewer parameters using stable looped models

Together AI 3 months ago

Researchers introduced Parcae, a stable looped language model architecture that reuses layers multiple times to improve parameter efficiency. A 770M parameter Parcae model matches the quality of a 1.3B parameter Transformer while achieving 6.3% lower validation perplexity than previous looped models on equivalent data. The work establishes scaling laws for looped models and enables efficient training of smaller models for edge deployment by trading parameter count for increased computation within the same layer stack.