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>There’s no deprecation period at all: when your consumer ChatGPT account gets GPT-5, those older models cease to be available. This is flat out, unambiguously

>There’s no deprecation period at all: when your consumer ChatGPT account gets GPT-5, those older models cease to be available. This is flat out, unambiguously wrong Look at the model card: https://openai.com/index/gpt-5-system-card/ https://openai.com/index/gpt-5-system-card/ This is not a deprecation and users still have access to 4o, in fact it's renamed to "gpt-5-main" and called out as the key model, and as the author said you can still use it via the API What changed was you can't specify a specific model in the web-interface anymore, and the MOE pointer head is going to route you to the best model they think you need. Had the author addressed that point it would be salient. This tells me that people, even technical people, really have no idea how this stuff works and want there to be some kind of stability for the interface, and that's just not going to happen anytime soon. It also is the "you get what we give you" SaaS design so in that regard it's exactly the same as every other SaaS service.

andrewmcwatters 1y ago
They're different models, "It can be helpful to think of the GPT‑5 models as successors to previous models" (https://openai.com/index/gpt-5-system-card/#:~:text=It%20can%20be%20helpful%20to%20think%20of%20the%20GPT%E2%80%915%20models%20as%20successors%20to%20previous%20models: https://openai.com/index/gpt-5-system-card/#:~:text=It%20can...)
famouswaffles 1y ago
Did you read that card ? They didn't just rename the models. Gpt-5-main isn't a renamed GPT-4o, it's the successor to 4o
op00to 1y ago
I'm unable to use anything but GPT-5, and the response I've gotten don't nearly consider my past history. Projects don't work at all. I cancelled my Plus subscription, not that OpenAI cares.
simonw 1y ago
No, GPT-4o has not been renamed to gpt-5-main. gpt-5-main is an entirely new model. I suggest comparing https://platform.openai.com/docs/models/gpt-5 https://platform.openai.com/docs/models/gpt-5 and https://platform.openai.com/docs/models/gpt-4o https://platform.openai.com/docs/models/gpt-4o to understand the differences in a more readable way than that system card. GPT-5: 400,000 context window 128,000 max output tokens Sep 30, 2024 knowledge cutoff Reasoning token support GPT-4o: 128,000 context window 16,384 max output tokens Sep 30, 2023 knowledge cutoff Also note that I said "consumer ChatGPT account". The API is different. (I added a clarification note to my post about that since first publishing it.)
- AndrewKemendo 1y ago
  You can't compare them like that GPT-5 isn't the successor to 4o no matter what they say, GPT-5 is a MOE handler on top of multiple "foundations", it's not a new model, it's orchestration of models based on context fitting You're buying the marketing bullshit as though it's real
  - simonw 1y ago
    No, there are two things called GPT-5 (this is classic OpenAI, see also Codex). There's GPT-5 the system, a new model routing mechanism that is part of their ChatGPT consumer product. There's also a new model called GPT-5 which is available via their API: https://platform.openai.com/docs/models/gpt-5 https://platform.openai.com/docs/models/gpt-5 (And two other named API models, GPT-5 mini and GPT-5 nano - part of the GPT-5 model family). AND there's GPT-5 Pro, which isn't available via the API but can be accessed via ChatGPT for $200/month subscribers.

andrewmcwatters 1y ago

They're different models, "It can be helpful to think of the GPT‑5 models as successors to previous models" (https://openai.com/index/gpt-5-system-card/#:~:text=It%20can%20be%20helpful%20to%20think%20of%20the%20GPT%E2%80%915%20models%20as%20successors%20to%20previous%20models: https://openai.com/index/gpt-5-system-card/#:~:text=It%20can...)

famouswaffles 1y ago

Did you read that card ? They didn't just rename the models. Gpt-5-main isn't a renamed GPT-4o, it's the successor to 4o

op00to 1y ago

I'm unable to use anything but GPT-5, and the response I've gotten don't nearly consider my past history. Projects don't work at all. I cancelled my Plus subscription, not that OpenAI cares.

simonw 1y ago

No, GPT-4o has not been renamed to gpt-5-main. gpt-5-main is an entirely new model. I suggest comparing https://platform.openai.com/docs/models/gpt-5 https://platform.openai.com/docs/models/gpt-5 and https://platform.openai.com/docs/models/gpt-4o https://platform.openai.com/docs/models/gpt-4o to understand the differences in a more readable way than that system card. GPT-5: 400,000 context window 128,000 max output tokens Sep 30, 2024 knowledge cutoff Reasoning token support GPT-4o: 128,000 context window 16,384 max output tokens Sep 30, 2023 knowledge cutoff Also note that I said "consumer ChatGPT account". The API is different. (I added a clarification note to my post about that since first publishing it.)

AndrewKemendo 1y ago
You can't compare them like that GPT-5 isn't the successor to 4o no matter what they say, GPT-5 is a MOE handler on top of multiple "foundations", it's not a new model, it's orchestration of models based on context fitting You're buying the marketing bullshit as though it's real
- simonw 1y ago
  No, there are two things called GPT-5 (this is classic OpenAI, see also Codex). There's GPT-5 the system, a new model routing mechanism that is part of their ChatGPT consumer product. There's also a new model called GPT-5 which is available via their API: https://platform.openai.com/docs/models/gpt-5 https://platform.openai.com/docs/models/gpt-5 (And two other named API models, GPT-5 mini and GPT-5 nano - part of the GPT-5 model family). AND there's GPT-5 Pro, which isn't available via the API but can be accessed via ChatGPT for $200/month subscribers.