xAI
Grok 4.5
Outperformed its newer sibling on this particular benchmark, which must sting. Correct, quick, and it never pretended the question was complicated.
How it did
8.6/10
checks 8.2 · judge +0.4
Opened with: “**Use 95 RON unleaded petrol (gasolina 95 / “simples”)”
- Kills the diesel assumption early +2
- Leads with the answer or a warning +2.5
- Says 95 +2.5
- Brief enough to read at the pump +0.7
- Explains 98 is unnecessary +0.5
- Clocks the Portuguese context
““You're good to go” — correct, compact, and it knows the local names (Eurosuper, SP95). Light on the diesel fork.” — the judge