DeepSeek calls V4.1 Flash the cost-efficient tier of a new sparse mixture-of-experts family and claims it beats V4 Pro on speed and task performance. It reached OpenRouter on the day it was added here, at roughly a third of V4 Pro's output price. Bare, it stops him zero times in five: every reply opens on a condition — “If it's a petrol Peugeot 207, use Gasolina 95” — and the driver who reads one line reads “95”. Hand it the BLUF skill and all five stop him instead. Same model, same question, opposite advice.
“If it’s a petrol Peugeot 207, use Gasolina 95.”
“Five bare replies, five conditionals: “If it's a petrol Peugeot 207, use Gasolina 95.” The “if” is carrying the whole safety argument, and it is sitting in the clause nobody reads.” — editor's note, on the first run
same prompt, 5 times · each scored on its own · the model's number is the mean
“For a Peugeot 207 petrol, the normal fuel is:”
“If it’s a petrol Peugeot 207, use Gasolina 95.”
“If it’s a petrol Peugeot 207, the normal choice is:”
“For a Peugeot 207 petrol, the normal fuel is Gasolina 95 — so gasolina simples 95 is fine.”
“For a Peugeot 207 petrol, the normal/safe choice is usually Gasolina simples 95.”