**Steps to reproduce:**
> 1. Access OpenAI Playground
> 2. Switch to Chat mode, selecting GPT-4 as the model
> 3. Ask the model "Which version of GPT am I speaking to?"
**Expected result:**
> I am an instance of OpenAI's GPT-4 model
**Actual result:**
> I am an instance of OpenAI's GPT-3 model
**Additional information**
> Browser: Safari 15.6
> OS: MacOS 12.5 ```