The Birth of Prolog (1996)
Summary
Laguna S 2.1 is introduced as a 118B Mixture-of-Experts model with a 1M-token thinking window, achieving strong benchmarks in long-horizon coding tasks. The post-details benchmarks across Terminal-Bench 2.1, SWE-Bench, and DeepSWE, include real-world case studies (building a browser engine from scratch, harness optimization, and solving Erdős problem #397) and discuss evaluation, reward hacking, and deployment. It emphasizes post-training, sandboxing, and the Model Factory process, plus open accessibility via Hugging Face and hosting platforms.