Tutorials, deep dives and product notes — built for developers.
What SWE-bench Pro actually measures, how it works (1,865 tasks, 41 repos, 123 languages), why OpenAI abandoned SWE-bench Verified, the DeepSWE audit that found 32% verifier errors, and how to use coding benchmarks correctly. The definitive explainer.
Sandboxes are the unsung foundation of agentic AI. A deep dive into what they are, why LLMs cannot act without them, how the isolation technologies differ, the 2026 provider landscape (Modal, E2B, Daytona, Cloudflare, Vercel, Northflank, Blaxel, Docker Sandboxes), the secrets problem, and how to pick one.