Stained Glass Making Supplies: 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 Canfield and GPT chooses TOYO
In Arts, Crafts & Sewing, Claude and GPT choose the same brand in 46 of 83 categories.
Claude Opus 5.5 · October 27, 2026
Canfield 60/40 Solder (line)
Every copper-foil project needs solder, and Canfield's 60/40 wire flows smoothly and builds clean, rounded beads on foiled seams.
Not for: Anyone making jewelry, dishes or other items that touch skin or food should use a lead-free solder instead.
GPT 6.1 Sol · November 10, 2026
TOYO Pistol Grip (line)
Comfortable grip and oil-fed scoring make this a versatile starting tool for cutting stained glass accurately.
Not for: Tempered glass, grinding edges, or soldering.
Which one fits you
lead came projects
Canfield 50/50 Solder (line)
50/50 has a wider working range, which suits tacking lead came joints rather than beading foil seams.
Not for: Copper-foil work, where 60/40 beads more easily.
Check before you buy
Where to find Canfield 60/40 Solder
- Art Glass Supplies
- Woodart Supply
- Co Glassworks
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
- Canfield: Long-standing maker of stained glass solder and lead came.
- Novacan: Known for water-soluble stained glass flux.
- Hakko: Temperature-controlled irons popular with glass hobbyists.
What to avoid
- Electronics solder with a rosin core, which is too thin and leaves residue that blocks patina.
- Acid-core plumbing solder.
- Non-adjustable low-wattage craft irons.
Questions
Is 60/40 or 63/37 better for stained glass?
Stained glass workers usually prefer 60/40. 63/37 is eutectic and sets instantly, which makes smooth raised beads harder to form.