Parts Washers: what Claude and GPT would buy
Two AI models chose on their own, with no web access. Nobody tested these products: this is what each one says, and how to check it.
They disagree: Claude chooses Graymills and GPT chooses Torin
In Automotive, Claude and GPT choose the same brand in 60 of 112 categories.
Claude Opus 5.5 · October 27, 2026
Graymills (brand)
A long-established parts washer manufacturer of solvent and aqueous units for professional shops.
Not for: Hobbyists who clean parts only occasionally and can make do with a bucket and brush.
GPT 6.1 Sol · November 10, 2026
Torin BIG RED T10035
Its compact benchtop design, recirculating pump, and steel basin make it practical for cleaning small automotive parts.
Not for: Large components, solvent-based cleaners, or high-volume professional use.
Check before you buy
Where to find Graymills
- Graymills Corporation
- Penn Tool Co.
- Grainger
Shops seen in search results on November 5, 2026. A shop missing here may sell it too. Nothing was checked by a person.
Brands that matter
- Graymills: Professional solvent and aqueous parts washers.
- Safety-Kleen: Parts washer and solvent recycling service for shops.
What to avoid
- Using gasoline as solvent
- Running the pump without a filter