This is nonsense what do you mean? Mistral uses Cerebras for their LLMs as well. [0]
It's certainly not "untested".
[0] https://www.cerebras.ai/blog/mistral-le-chat
Tested at Mistral’s scale is a very different thing to tested at OpenAI’s scale.
alt Hacker News
Tested at Mistral’s scale is a very different thing to tested at OpenAI’s scale.