Reported by @loud osprey
Bug Report: Paid Pro Feature Not Working: Cannot Use GPT-4.5/4o, Forced to GPT-5
`Steps to Reproduce`
- Log in as a Pro subscriber
- Select GPT-4.5 or GPT-4o model from the model selector
- Start a new conversation or send a message
- System automatically routes to GPT-5 instead of selected model
- Tried multiple times - same result
- Opened new browser window/incognito mode - issue persists
- Cleared cache and cookies - problem remains
- Checked account status - Pro subscription is active
`Expected Result`
Expected behavior: Should be able to use selected GPT-4.5/4o models with Pro subscription
`Actual Result`
Forced to use GPT-5 regardless of model selection
`Environment`
ChatGPT latest App iOS version, ChatGPT official website with Chrome App