Claude hit me with a usage limit, so I moved the entire conversation to Chat GPT — this free browser extension made it ridiculously easy | Tech Radar
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Claude hit me with a usage limit, so I moved the entire conversation to Chat GPT — this free browser extension made it ridiculously easy
Thread Port turns copying AI conversations into a near-instant handoff
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AI chatbots like Chat GPT, Claude, and Gemini are all keen to encourage you to use their service over their rivals, and often have ways to import your history and profile from one to another to some degree. That's great if you are planning a serious relocation, but sometimes you just want to take a single chat and bring it from one platform to another.
This can be especially useful if you're using the free version of Claude, for example, and you're about to reach your usage limit. By transferring the chat to another AI chatbot you can keep it going without waiting for your limits to refresh.
Thread Port is a new browser extension for Google Chrome and Microsoft Edge designed to shorten that trip. It transfers a conversation currently open in Chat GPT, Claude, or Gemini to either of the other two services, carrying over the text of the discussion and some basic context setup as a single prompt plus transcript so the new AI chatbot can continue the conversation.
That makes Thread Port fundamentally different from the built-in import tools offered by all three platforms. Instead of needing to learn everything about you and your conversational history. Thread Port simply tells another AI what you have been discussing for the past few minutes.
You just need to install the extension in your browser and allow it access to Chat GPT, Claude, and Gemini websites. The access lets Thread Port read the messages on one service and insert them into another, while browser storage is used for settings, temporary transfers, and the monthly usage count. The developer plans to make unlimited transfers a premium service with only 10 transfers a month for free, though at the moment the extension doesn't run out of transfers.
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All you need to do then is have your chat on one of the platforms open, click on the extension, and pick another platform to send it to. The new platform will open automatically, and a transcript of the conversation, headed by an explanation from Thread Port, will appear. You can set the extension to automatically submit the combined prompt, or leave it in draft form for your own editing first.
To test Thread Port, I opened Chat GPT and asked for help planning a three-day vacation. Chat GPT did its usual work of creating an itinerary with plenty of detail. I then clicked on Thread Port and sent the conversation to Gemini.
A new Gemini tab opened with the entire conversation already formatted inside the prompt box, with my messages and Chat GPT’s responses clearly labeled. Thread Port also stripped away interface debris such as buttons, citation controls, and widgets that would otherwise make a manual copy and paste messier.
Gemini received the trip plan exactly as I wanted, with a complete conversation rather than a crude summary. I then asked Gemini to assess the plan, without changing the underlying conversation before the transfer.
The process worked the same when sending to Claude from Chat GPT. Thread Port supports all six directions among Chat GPT, Claude, and Gemini. But, as an additional test, I took the extended conversation from Gemini and asked Thread Port to send it to Claude. The new Claude tab was basically the same, but it also mentioned in the opening prompt that it was a conversation "started on Chat GPT (via Chat GPT → Gemini)," and tagged which chatbot was responding in the transcript.
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This is where Thread Port might be at its best. Moving a live discussion preserves all the little decisions accumulated through follow-up questions. Those decisions often matter more than the initial prompt because they explain why the obvious suggestions are no longer useful.
It's also very fast, taking only seconds. Gemini's importer can take a lot longer as it requires an exported archive. Though it can absorb a much larger historical record, using it for a single vacation plan would be excessive.
Plus, Google’s tool is restricted to those with adult personal Google accounts, and you can't import your history if you're in the European Economic Area, Switzerland, or the United Kingdom. Thread Port's creator, Juan Carlos Rampoldi, lives in Valencia, Spain, so a way around that restriction has obvious appeal.
Claude’s native option doesn't even allow for importing conversations. Claude can import memory, including preferences and personal details, but not actual history. But Claude and Gemini at least have some form of importing from rival AI chatbots. Chat GPT has a way of sending conversations between Chat GPT accounts, but nothing like the native importers for Gemini or Claude. Thread Port at least opens up one possible avenue for doing so without having to craft and iterate on specialized prompts.
Rampoldi cited his own habit of moving among Chat GPT, Claude, and Gemini as the inspiration for Thread Port after getting frustrated with manually copying conversations and losing formatting or context along the way. Notably, he built it with Claude Code, so it may have other flaws, but he made its source code publicly viewable on Git Hub.
I did appreciate how easy Thread Port made comparing the models and their responses by making them all part of one larger conversation. Of course, the simplicity means there are limits. Thread Port transfers text, but it cannot bring attached images or files. If I had uploaded hotel screenshots or a PDF itinerary into Chat GPT, I would have needed to upload those again manually in Claude and Gemini.
And if it was a very long conversation, Thread Port might have needed to shorten it using what it calls "smart truncation," keeping the original task and the most recent exchanges while marking a section that might be removed.
The developer says Thread Port has no servers and briefly holds the transcript in Chrome’s local extension storage before inserting it into the destination prompt box, after which it deletes the temporary copy.
That does not mean the conversation becomes private once you send it elsewhere. A Chat GPT transcript submitted to Claude is now being shared with Anthropic, and Gemini transcripts are still sent to Google.
Despite its limits, Thread Port does come across as a very useful tool for those who like to employ multiple AI chatbots. Even as just a ferry for individual conversations, compared to a whole moving van importing your whole history, the extension is efficient and easy. It cuts down on a small but persistent bit of AI chatbot friction without trying to solve AI portability on a grand scale.
AI companies tend to build their products as though everyone will eventually choose one assistant and stay there. But if you want to be 'disloyal' and play the field, Thread Port smooths the path nicely.
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Eric Hal Schwartz is a freelance writer for Tech Radar with more than 15 years of experience covering the intersection of the world and technology. For the last five years, he served as head writer for Voicebot.ai and was on the leading edge of reporting on generative AI and large language models. He's since become an expert on the products of generative AI models, such as Open AI’s Chat GPT, Anthropic’s Claude, Google Gemini, and every other synthetic media tool. His experience runs the gamut of media, including print, digital, broadcast, and live events. Now, he's continuing to tell the stories people want and need to hear about the rapidly evolving AI space and its impact on their lives. Eric is based in New York City.
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