10/06/2026
Aishwarya Srinivasan's framing of where AI architecture stands in 2026:
2024 = RAG era
2025 = Agents era
2026 = Stateful Orchestration era
LangGraph 1.2, released May 11, 2026, makes this the default model: an agent run is a durable graph ex*****on, not a Python function call.
The fundamental unit is the StateGraph. Nodes read from and write to a single typed state object — the system's working memory. Edges are deterministic or conditional. Every transition auto-checkpointed via Memory, SQLite, or Postgres, making pause/resume, time-travel debugging, and horizontal scaling first-class features.
The practical difference from chains: chains pass outputs between steps. Graphs maintain and evolve shared state. That changes what you can reliably build.
DWG · AI-04 · tanziro.com