Leanstral 1.5
Summary
Leanstral 1.5 is an updated Lean 4 formal proof engineering model optimized for automated theorem proving and autoformalization, boasting 119B total parameters. The page details versatile API endpoints, built-in tools, and deployment options (cloud and self-deploy), highlighting capabilities like chat completions, function calling, agents, OCR, embeddings, and more. This serves as a model card and product overview for researchers and developers in formal methods and AI tooling.