They’re extrapolating from the performance of GPT-3.5. It’s speculative, but not anecdotal. GPT has improved rapidly over time, so it's not a huge leap to predi

They’re extrapolating from the performance of GPT-3.5. It’s speculative, but not anecdotal. GPT has improved rapidly over time, so it's not a huge leap to predict that GPT-4 will be even better.