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A developer named Gömöri Gábor built FreshThread, a free Windows beta that sits next to Codex, shows how heavy a session has become, and can open a fresh Codex task that carries the goals, decisions, finished work, and next steps from the old one. He built it after his own long Codex sessions started to slip: the model forgot earlier decisions, redid work that was already finished, and ignored constraints he had given. The account is his personal experience, described in a first-person post on DEV Community, and it has not been independently measured or tested.
What Gábor reports seeing
In his post, Gábor says the decline followed repeated compactions. A compaction condenses the earlier part of a long conversation so the session has room to keep going. Gábor’s view is that after enough of them, the model lost track of what had already been decided. At first the only sign he noticed was that a session felt increasingly heavy, and that it was consuming time and usage. Only later did he connect that feeling to specific failures.
He lists three of them:
- Forgetting decisions made earlier in the same session.
- Repeating work that had already been completed.
- Ignoring constraints the user had stated.
These are observations from one developer’s sessions. The post does not say how many sessions he examined, which Codex version he used, or how often the problems appeared. Readers should treat them as a report of a pattern worth checking, not as proof that every long session degrades.
What FreshThread does
FreshThread runs on Windows alongside Codex. According to the author, it does two things. First, it displays live session load, so you can see how heavy the current session has become. Second, when you choose to, it opens a new Codex task and passes along a summary of goals, decisions, finished work, and next steps. The stated aim is continuity: you keep the important state without copying text by hand and without starting from zero.
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The post describes the app as a free beta. It also makes three privacy and connectivity claims, all made by the author:
- Session data stays on the user’s computer.
- The component that connects to Codex is open source. The post links to a GitHub repository for the project.
- The app goes online for updates, and for sending a bug report only if the user chooses to send one.
None of these statements has been checked against documentation or source code in this article. If the privacy side matters to you, read the repository before relying on it.
The post says the app had launched a few days before it was published. The exact launch date is not given.
Starting a fresh session by hand
You do not need FreshThread to try the underlying idea. The same handoff can be done manually, and it is worth doing before you install anything. The approach below follows the four elements Gábor names.
- Before the session becomes unwieldy, write a short handoff note with four headings: Goals, Decisions, Finished work, and Next steps. Include the constraints you have given the model, since those are the ones he says were dropped.
- Be specific about the decisions. “Use the existing parser, do not add a dependency” is more useful to a new session than “we discussed the parser.”
- Start a new Codex task rather than continuing the old one.
- Paste the handoff note at the top of the new task and ask the model to restate the goals and constraints before doing any work. If its restatement is wrong, correct the note before continuing.
Manual handoff takes a few minutes and depends on how carefully you write the note. FreshThread’s stated advantage is that it automates the transfer and shows session load so you can decide when to make it.
Comparing the two approaches
The table compares manual handoff with FreshThread on the points the post addresses. Where the post does not state a value, the cell says so.
| Factor | Manual new task with a handoff note | FreshThread (per the author’s post) |
|---|---|---|
| What carries over | Whatever you write into the note | Goals, decisions, finished work, and next steps |
| Workflow friction | You write and paste the note yourself | Transfer is automated when you choose it |
| Visibility of session load | Not applicable; you judge when a session feels heavy | Live session load is displayed |
| Platform support | Depends on where you run Codex | Windows beta; other platforms not stated |
| Data handling | Stays wherever you paste it | Author states session data stays on the computer; not independently verified |
| Independent evidence | General practice; no study cited | Author’s own report; no independent testing cited |
What is and is not established
Established by the post: Gábor experienced these problems in his own long Codex sessions, built FreshThread in response, and describes its features and privacy design. Not established: that long Codex sessions degrade for everyone, how often the failures occur, how the handoff quality compares with a careful manual note, and whether the privacy and open-source claims hold in the shipped app. No user counts or performance figures are given.
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Share your experience
The post ends by asking readers whether they notice long Codex sessions getting worse, and what they do about it. The question is open, and the answers are the most useful evidence the topic currently has. If you have seen the same pattern, note roughly how long the session ran, how many compactions it went through, and what kind of failure you saw. That detail is what would turn a single developer’s account into something others can compare against.
Gábor’s exact wording was: “do you notice long codex sessions getting worse? what do you do about it?”
Read the original post on DEV Community for the author’s full account and the project links.
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