Official timeline, architecture mapping, breaking changes, and a practical runbook to migrate from Assistants API to Responses plus Conversations without service regressions.
LLM Agent Systems
Practical guides on LLM agents: architecture choices, Responses API migration, evaluation design, tool orchestration, and safety controls for production workloads.
A practical engineering framework for choosing between workflow and agent: criteria, architecture patterns, evals, security, cost, and rollout plan.
A practical guide to shipping a support RAG agent with tool-calls: architecture contract, release gates, policy enforcement, observability, and FinOps.
A second mode of the site: a browser OS with an AI assistant that controls windows and apps through tool calls.