Mistral's accidental GPT-4 rival
Mistral CEO Arthur Mensch just confirmed that the mystery open-source model “miqu-1-70b”—which scored near GPT-4 on benchmarks after surfacing on 4chan and Hugging Face—is indeed an old Mistral checkpoint retrained from Llama 2, leaked by an early customer’s employee. Why it matters: it proves open-source AI is closing the frontier performance gap much faster than expected.