TLDR AI · ENGINEERING & RESEARCH

INTRODUCING SWE-1.5: OUR FAST AGENT MODEL

cognition.ai8 min read

Summary from the TLDR AI newsletter

SWE-1.5 is a frontier-sized model with hundreds of billions of parameters optimized for software engineering. It achieves near state-of-the-art coding performance and sets a new standard for speed. The model is now available in Windsurf, serving at up to 950 tokens per second. It can be used to deeply explore and understand large codebases, build end-to-end full-stack apps, and easily edit configurations without needing to memorize field names.