Error guide
If ChatGPT says “this conversation is too long” or “you’ve reached the maximum length,” save the work you can still access and start a new chat with a short handover. If the old chat cannot reply, fill in the manual template from readable messages and saved files. Paste the handover first, then give the next task.
ChatGPT feature information verified against official OpenAI documentation on 2 September 2026.
A conversation-length error means the current thread has reached a practical limit. Missing an earlier instruction can also happen without that error, so it is not proof that the thread is full. Limits vary by model and product; use the displayed message to distinguish a long thread from an account usage limit.
Starting a new chat creates a clean place to continue, but the new chat still needs the exact objective, active instructions, decisions, current work, and next action. A concise continuation summary carries those details forward without reproducing the entire old transcript.
Stay in the existing chat when it is still responding accurately, the remaining task is small, and earlier instructions are still being followed. Starting over too early can add unnecessary handover work.
Start a new chat when ChatGPT shows the conversation-too-long error, repeatedly forgets or contradicts earlier constraints, reopens settled decisions, or cannot complete the next step consistently. Preserve the working state before leaving the old chat.
Copy this, then replace the prompts with the details from your conversation.
Objective: [What I am trying to achieve] Important background: [Context the new chat needs] Instructions and constraints: [Rules, preferences, requirements, and things to avoid] Decisions made: [Decisions already made and why] Rejected approaches: [What was tried or ruled out, and why] Work completed: [What is finished] Current output: [Latest draft, result, file, or state] Open questions: [What is still unresolved] Next action: [The exact task for the new chat]
OpenAI's current ChatGPT FAQ says you can select New chat at any time and that ChatGPT remembers context within a chat. That makes a fresh chat the clean recovery route when the current thread can no longer continue reliably.
ChatGPT Memory may use relevant information from past conversations, and OpenAI's Memory FAQ explains that memory is managed separately from chat history. Treat it as personalization, not a guaranteed copy of one conversation's exact instructions, decisions, and current draft.
If you work in ChatGPT Projects, eligible chats can be moved into a project and inherit its instructions and file context; project memory behaviour depends on the plan and settings. Even there, explicitly provide the exact working state when accuracy matters.
The manual workflow above is free. thredly can draft a handover from text you supply or a supported chat the extension can access. It cannot recover inaccessible text. Our AI chat portability case study explains why a transferred transcript still needs a current-state check.
Direct Chrome-extension support covers ChatGPT, Claude, and DeepSeek. thredly does not provide persistent memory, automatic cross-chat sync, automatic cross-platform sync, or perfect retention.
This page explains the exact conversation-too-long problem and the immediate recovery. For the full step-by-step transfer process, use how to continue a long ChatGPT conversation after you have secured the old thread's important context.
The current thread has become too large or complex for ChatGPT to continue reliably with all the working context that matters. Exact practical limits vary by model and product behaviour, so preserve the important context instead of relying on one universal limit.
Yes. Create and review a concise continuation summary, start a new ChatGPT chat, paste the summary first, and state the exact task to continue. The full transfer workflow is covered in thredly's long-conversation continuation guide.
Usually not. A full transcript contains repeated discussion, stale instructions, and abandoned work that can obscure the current state. Transfer a reviewed summary, then attach only source material the next task genuinely needs.
Memory or reference-history features may use relevant information from past chats when available and enabled, but do not treat them as a guaranteed transfer of one thread's exact instructions, decisions, and current output. Provide that working state explicitly.
If a single message is rejected as too long, shorten that input and include only the material needed for the next task. If the whole conversation has reached its limit, use a new chat with a reviewed handover. Starting a new chat does not reset an account usage limit.