Here is what that single signal says happened. Around March 22nd, users noticed that ChatGPT had removed the ability to switch models mid-regeneration — the small but genuinely useful feature that let you take an existing prompt, hit regenerate, and route it through a different model without abandoning your conversation thread. No announcement. No changelog entry. Just gone. The original post title trails off with an ellipsis, which suggests the person who wrote it had found more than one missing piece, though the full list of casualties hasn't surfaced clearly in the available reporting. That ellipsis is doing a lot of work. It implies this is part of a broader quiet trimming, not an isolated removal.
If confirmed, here is what this means. The model-switching-on-regeneration feature was a power user's shortcut — a way to run informal comparisons, to rescue a weak response by routing it through something stronger, to stay in flow without rebuilding context from scratch. Removing it doesn't break ChatGPT, but it does flatten the experience in a way that matters to anyone who uses multiple models deliberately. OpenAI has been consolidating the interface as its model lineup grows more complex, and there is a coherent argument that surface-level simplicity serves the broader user base better than granular controls. The power users will disagree loudly. The strategic read is that OpenAI is making a choice about who ChatGPT is for — and it is not, increasingly, the people who want to tune every parameter. If other features disappeared alongside this one, that pattern becomes harder to dismiss as accidental housekeeping.
Watch for corroborating reports from other users logging the same removal, and for any official OpenAI changelog that either acknowledges the change or quietly restores the feature after pushback.
<!-- SC_OFF --><div class="md"><p>What the hell is this? First 4o gone and now 5.2? I really preferred it to 5.3, so now we just cannot select a model? This is really annoying
<!-- SC_OFF --><div class="md"><p>I don't like the new AI generation model at all. I much prefer the previous one. Is there anyway to switch to DALL-E 3?</p> </div><!-- SC_ON -->
<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1xa60rq/psa_chatgpt_intentionally_swaps_selected_model/"> <img alt="PSA: ChatGPT intentionally swaps selected
<table> <tr><td> <a href="https://www.reddit.com/r/ChatGPT/comments/1std0th/the_last_update_wrecked_the_model_unusable/"> <img alt="The last update wrecked the model. Unusable."
<!-- SC_OFF --><div class="md"><p>For me, when I select GPT-5.5 Thinking with Auto-switch off; standard voice generates a response labelled GPT-5.3. If I leave voice mode and use
<!-- SC_OFF --><div class="md"><p>As most of you know the latest image gen 2 can’t generate transparent PNGs and post processing always leaves some problems.</p> <p>Any way to use
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