Comment by simonw
9 hours ago
I had preview access to this one for a few weeks. It's very good. I had one conversation that lasted a full hour while I was walking the dog, got some good brainstorming done against one of my projects.
The best feature is that it can delegate questions out to GPT-5.5 in the background, so you're no longer restricted to a voice model that's several years behind the frontier.
I did report a fun bug with it though: it was interrupting me and laughing at my (not really intended as) jokes while I was still talking! They seem to have clamped that behavior down thankfully, it felt a bit rude and condescending.
Is it responsive to personality settings? I actively don't want fake AI girlfriend, but I do get a ton of value out of voice mode. Looking forward to trying this but hoping it's not a creepy overdone mess (like Sesame). Expectations are they'll keep doubling down on fake AI girlfriend approach because the thing I want probably wouldn't drive engagement anywhere nearly as well
I too found this with their previous attempts.
I have my Chat personality settings stripped right down to no-fluff. I'd want voice to be more akin to the Star Trek computer, and less akin to as you said an AI friend, but previously it was tuned too personable/friend-like.
Star Trek computer voice model is something I have yet to encounter, and I've looked repeatedly :) It's not about a specific voice, it's the fact they managed to capture "I am a utility" perfectly in the voice. Our modern friends do not want to be thought of as a utility, but to engender trust and agency all of their own and that's a huge problem for me.
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Well you remember how Captain Kirk had his computer speak to him in a special female voice, and he was "married" to the ship ;)
It’s 2026 what the customer wants is probably an indication of what not to do if you’re a hyperscaler.
Whoever ends up actually winning after the crash will be the ones who figure out the needs of users, not the needs of the financial machinations of the companies trying to grab land.
> "The best feature is that it can delegate questions out to GPT-5.5 in the background, so you're no longer restricted to a voice model that's several years behind the frontier."
Wow. That's exactly what I hoped they would do.
This issue has held me back from using ChatGPT's voice mode as much as I otherwise would have, because I also use it for brainstorming while commuting, exercising, etc., and don't want it to feel stuck in the past.
Funnily enough - I built this (delegation) over the weekend with Fable for a local voice chat running 100% on local LLMs, Parakeet and Kokoro. I say "...ask the thinking model..." and that redirects it to Qwen 3.6 27B on vLLM.
Can't claim originality though - it was inspired by Sesame - where their models will invoke a search, or check the weather etc, and make a vocalisation to keep you engaged.
Turn taking is one of the hardest things to get right for the exact reasons mentioned - but does seem to be the way that Claude.ai's voice works - in a very obvious way.
Anthropic + OpenAI both rug-pulled voices I liked and got used to and OpenAI really dumbed down their voices at the same time - Arbor went from Estuary English and almost "jack the lad" to some generic English accent. Claude had a Birmingham accent and said things like "shit", ending sentences like "So you're telling me that they asked for a 90% discount yeah?" - then it changed overnight to a mock Derbyshire accent with a dull tone.
ChatGPT's voice also gaslights me for conventional opinions - "my Eastern European neighbour helped me lift a wardrobe upstairs - something you just can't ask your typical neighbour neighbour"... then you get a full on left-leaning lecture from the safety layers rather than a head nod or "what luck!"
Claude + Sesame are nowhere near as overbearing.
In both cases - from edgy and engaging to something that just didn't gel.
The point of making my own assistant is that I can talk for as long as I want, episodic memory is personal and private, there's no "trust me bro, we're a big corporation" vibes.
This was not my first attempt - when I had a bunch of Opus credit around Jan/Feb - I tried really hard and created something that was not good enough. What I have now, is working, and each session is training Claude/Codex on what to tune, and to fix.
"Just had a convo - can you look into what happened?" And if it's one I don't mind sharing with the model - I'll say, "and what did you think of the questions I asked?" Sometimes it'll give a lovely commentary on how the model did.
af_heart is probably the smoothest voice - but yes it's more like another commented - more "StarTrek" than "telesales assistant that pauses and laughs at your jokes".
If you're on a similar path and want something full duplex - the go to solution is PersonaPlex from Nvidia based upon Moshi.
I highly recommend simply enjoying the walk.
I think you're missing the counterfactual. I now have two choices: 1) sit behind my desk and work, or 2) walk and talk something out.
Before this model, the voice models were pretty dumb and annoying to work with. We'll see if this changes that.
Every time something along these lines is posted, comments like this show up.
The thing I don't get is...no one would say this about listening to a podcast or audiobook on a walk.
I'm not sure why people choose to demonize this specific use of time during walks.
> ...no one would say this about listening to a podcast or audiobook on a walk.
I highly recommend simply enjoying the walk. :)
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It's coming from a place of objecting to burnout/overwork culture.
Recently I witnessed a CTO mention in a public channel that with Claude remote control people can now work while getting a coffee or other breaks during the day.
Tech is actively moving in a direction of destroying all the gains from the labour movement in service of enriching capital out of a combination of FOMO or fear of being replaced.
So yeah, when folks say "hey look now I can even work during leisure activities!" yeah, the reaction is negative.
I'm far more surprised that this surprises you.
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Seems a bit knee jerk. I go on walks and bike rides all the time. A couple of times I’ve used voice mode and it’s been interesting. I could have listened to music or a podcast, listen to YouTube or just unplug. But every walk is different.
If you’re uncomfortable with this new world, and I’m sure I am even as I participate, you could tell us more about that?
Given the personality type common on HN, I imagine that the GP, even if unplugged from all technology on their walk, wouldn't be in a mindful state of enjoying their surroundings, but rather would be "lost in the clouds", stewing on the same ideas/thoughts/problems; but with those thoughts going more in circles, due to a lack of ability to verify anything.
Literally me. Everyone is different, and that's fine. But I don't have the privilege of living in an area where I can talk to people about the things I am thinking through. It's very rural. Having a _utility_ that can act as a sounding board while I spew out my thoughts on a walk is a really meaningful improvement to my current situation.
I often enjoy walking and doing something else at the same time. Usually thinking through a problem…
… but it sounds like they did enjoy the walk, doesn’t it?
Sometimes I want to learn something while I walk. Sometimes I want to listen to stories. Sometimes I want to just be present. All are good. I highly recommend letting people enjoy whatever they enjoy.
I take my dog for walks everyday and I think she 100% of the times enjoys it but me maybe only 20-30%
One thing has remained constant over the last little period of time. AI boosters have zero taste.
I never considered that how I spend my time while walking my dog might be a matter of "taste".
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"AI boosters" when I hear things like that I wonder if people realize how the world is changing and going to change.
we know pretty well at this point that this is world warping technology (either for good or bad), not a small matter of taste.
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I highly recommend not patronizing adults for doing what they want or feel is appropriate when they're walking their dog.
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Isn’t that a life advice?
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Is it a dumb-down version of GPT like the current voice model? At least in french, I find the current GPT voice mode to be useless, to the point I only use the dication mode. I would ask a question and it would answer something along "That's a interesting question. I can help you with that. Anything you want to know about X?" I would ask again and it would answer the same kind of non answer.
Click through to the link, the answer is no it uses the latest gpt models now.
> the answer is no it uses the latest gpt models now.
Actually it says it _can_ delegate to the latest models. Seems reasonable to ask how the voice model does when it doesn't delegate (or while waiting for the delegated answer).
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I love the UX of voice mode. I’ve always hated voice models.
Gemini’s being particularly egregious (always ending in some deranged question, can not reliably be prompted away) prompted me to build my own client for my real harness that simply does STT -> model -> TTS (both being independently useful).
I guess I see some value in a model responding quickly and with more nuance, but it’s not much. I can wait for it to finish. I’d much rather have it be actually useful. I’m not looking for a digital friend.
The delegation feature lets me see some value in a voice model for orchestration type features. But in either case, I don’t really like (or understand why others would like) talking to a model with different features and quirks just because I’m using a different medium to communicate over.
I have built out something similar that let's me use my phone's hardware buttons to open an input stream with the mic for my Hermes agent over my matrix gateway and then has it play back with a local TTS model on my Pixel 10 Pro.
But the Deepseek v4 flash model I am using through OpenRouter is killing me on latency. Any suggestions to improve that?
> I did report a fun bug with it though: it was interrupting me and laughing at my (not really intended as) jokes while I was still talking! They seem to have clamped that behavior down thankfully, it felt a bit rude and condescending.
Some times I'm still amazed that AI "gets" humour much more effectively than the character of Data did before his emotion chip, e.g.: https://www.youtube.com/watch?v=G4VZ5kQIdV0
Other times I'm amazed in the opposite way, that the script writers cover basically the same talking points about the character as we have today about LLMs, e.g.: https://www.youtube.com/watch?v=GBJCYHwyZhw
I should give these voice models another try.
I have friends who have brainstormed with an LLM (voice chat) for 10-30 minutes, and reported very positive experiences.
When I speak to one - while I'm impressed at how far they've progressed - the LLM just doesn't talk like someone I'd want to discuss a technical problem with (the way I would with a human).
(And my friends aren't even using a custom prompt - some of them are just talking to the default Gemini on their phone!)
I also love exploring ideas like this. The problem that made me stop using Gemini is that it would always try really hard against all my prompting to ask a stupid question at the end of its response that would completely derail my train of thought.
>The best feature is that it can delegate questions out to GPT-5.5 in the background, so you're no longer restricted to a voice model that's several years behind the frontier.
Ahh, this makes sense. I was wondering when they would start doing this. I stopped using voice mode all together because it was frustrating talking to a dumb AI, when most of the time I discuss things with Opus 4.8 or gpt 5.5.
I was working on a phone call agent recently, and thought about doing this. It makes sense
But does it generate good pelicans?
Cool, was this conversation through the chatgpt app?
Yes, ChatGPT on iPhone.
Does it have full access to your chat history, project files, etc? That's the biggest limitation I have with voice mode right now, if I ask it about something I chatted about before (even in the same conversation) it has zero recollection of it.
You can start a chat in an existing session after pasting data into that session and it can then talk about that content. I haven't tried it with projects.
Cool it sounds like they have improved. This the first time I tried back in the day voice chats were different and you could not get the transcript after the fact.
Thank you for testing and the feedback Simon!
Have you compared it to grok in teslas?
Wait, you can talk to Teslas now? How did I miss thiS? Can I get a red led bar and basically have a KITT?
Yes! Hey Grok was shipped to all Ryzen-based Teslas a year ago, I think. I don't use it but those that have found it useful.
the cybertruck seems designed for this KITT fantasy of yours
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does it work in codex?
About 2 years ago I used to have conversations with GPT while walking the dog. It really emphasized the need to think before you speak, but you had to think fast before it hung up on you.
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That is a nice idea and all, but perhaps there are things our friends aren't good at talking about. Perhaps something that is very related to a work project? Or like when I go down the rabbit hole discussing quantum mechanics and astro physics with ChatGPT because none of my friends understand that at even my level, and I'm looking to learn more about it from someone/something that does know more than me.
I'm looking forward to trying this out because I find that doing discovery on certain things feels more natural with voice. The previous voice chat was such a dumb GPT-4 era model that I resorted to using the dictate feature with GPT-5.5 and had it read the text response back to me.
Sam, is that you?