Which is better for a shop that rotates flavors daily?

The 581. Its removable agitator system comes with 10 agitators, so you can dedicate one per flavor and swap fast. The 587 has a single permanent agitator.

Is the 587 worth the extra money over the 581?

Only if the stated warranty matters more to you than agitator flexibility. The 587 lists 1-year parts and labor plus 3-year motor base parts; the 581's warranty is not stated. Otherwise the 581 costs less at $939.99 versus $1,007.00 as of November 7, 2026.

Do they blend the same?

Yes on paper. Both run 500–3000 RPM variable speed with pulse and six pre-loaded programs, and both share the 24"H x 10"W x 8.3"D footprint.

Hard to say from the listings. The 587 publishes a 3-year motor base parts warranty, which is the only durability signal given. The 581's build is described as commercial-grade but no warranty is listed.

Which is cheaper right now?

The 581: $939.99 at Prima Supply as of November 7, 2026, against $1,007.00 at Chef's Deal for the 587. Both are sold new at 3 stores.

Can I use the 581's agitators in the 587?

No. The 587 takes a permanent cone-shaped agitator, so the 581's removable agitators do not apply to it.

Vitamix Mix'n Machine Advance 581 vs Vitamix Mix'n Machine Advance 587

Both are the same Vitamix frozen-treat mixer with six programs and 500–3000 RPM variable speed. The 581 uses a removable agitator system with 10 agitators included; the 587 uses a single permanent cone-shaped agitator. Buy the 581 if you make many flavors and want to swap agitators between batches. Buy the 587 if you run one product and prefer a simpler, fixed setup. The 581 is the cheaper of the two right now: $939.99 at Prima Supply versus $1,007.00 at Chef's Deal, both as of November 7, 2026.

Today the Vitamix Mix'n Machine Advance 581 costs $67.01 less at its best price.

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