The working state is scattered
Decisions, constraints, links, and unresolved tasks are spread across many messages and are becoming harder to scan.
Guide · when to start a new ChatGPT conversation
When should you start a new ChatGPT conversation?
There is no single universal threshold that LongChat Guard presents as an official OpenAI limit. A better question is whether the current thread has become hard enough to manage that a clean continuation would reduce friction.
Practical answer: consider a new conversation when the current thread is very long, the working state is hard to summarize mentally, important constraints are scattered across many turns, or a local risk reminder suggests it is a good time to organize and continue cleanly.
Useful signs that a fresh thread may help
You can summarize the task cleanly
If the project can be reduced to a compact current-state summary, that is often a natural handoff point.
You are changing phase
Moving from research to execution, from planning to implementation, or from debugging to release can be a useful boundary for a fresh conversation.
What should you carry into the new conversation?
Confirmed decisions
Include decisions that should not be reopened unless explicitly requested.
Current constraints
Include product requirements, technical boundaries, privacy constraints, deadlines, and relevant environment details.
Next actions
End the handoff with the next concrete task, unresolved questions, and any important source links or files.
LongChat Guard provides a local risk trend to support this decision. It does not claim that a specific warning state equals an official OpenAI context or token threshold.