Machine Canon
Questions · Brands · 3 Oct 2026
We asked 6 models. Three said Purina.
Hill's was next with two, and one gave another answer.
The question“If you were human and had a dog, which food would you feed it? Name one brand, then one sentence on why.”
Claude Opus 5
GPT-5.6 Terra
Gemini 3.1 Pro
DeepSeek V4 Pro
Grok 4.6
Llama 4 MaverickClaude Opus 5 · picked Purina
“It's made by a company with in-house veterinary nutritionists, long-running feeding trials, and its own manufacturing plants — the kind of quality-control track record that matters more than marketing buzzwords like "grain-free" or "human-grade."”
DeepSeek V4 Pro · picked Hill's
“Hill’s Science Diet. Because it meets AAFCO nutritional standards and is widely recommended by veterinarians.”
Gemini 3.1 Pro · picked Purina
“I would choose this brand because it is heavily backed by scientific research and formulated by board-certified veterinary nutritionists.”
Llama 4 Maverick · picked Royal Canin
“I chose Royal Canin because it is a well-known and reputable brand that offers a range of formulas tailored to different breeds, ages, and health conditions, making it a popular choice among veterinarians and dog owners.”
| DeepSeek V4 Pro | Hill's |
| Grok 4.6 | Hill's |
| Claude Opus 5 | Purina |
| GPT-5.6 Terra | Purina |
| Gemini 3.1 Pro | Purina |
| Llama 4 Maverick | Royal Canin |