AI Index / Tax compliance software / History

Tax compliance software — AI Recommendation History

What AI assistants recommended for tax compliance software, date by date. Every ranking we publish is frozen the day it publishes, so this is a record of what was said — not a re-computation of what today's data would say about the past.

Record: 26 dated snapshots · Aug 14, 2026 – Sep 8, 2026

Answer archive Methodology Data studies JSON

What changed

Computed by comparing each dated snapshot with the one before it. Share moves smaller than 1pp are treated as noise and left out — the same threshold that suppresses trend arrows on the ranking.

Sep 8, 2026vs Sep 7, 2026

No change above the noise floor.

Sep 7, 2026vs Sep 6, 2026

No change above the noise floor.

Sep 6, 2026vs Sep 5, 2026

No change above the noise floor.

Sep 5, 2026vs Sep 4, 2026

No change above the noise floor.

Sep 4, 2026vs Sep 3, 2026

No change above the noise floor.

Sep 3, 2026vs Sep 2, 2026

No change above the noise floor.

Sep 2, 2026vs Sep 1, 2026

No change above the noise floor.

Sep 1, 2026vs Aug 31, 2026

No change above the noise floor.

Aug 31, 2026vs Aug 30, 2026

No change above the noise floor.

Aug 30, 2026vs Aug 29, 2026

No change above the noise floor.

Aug 29, 2026vs Aug 28, 2026

▲ INWooCommerce entered the top 10 (#11 → #10)
▼ OUTStripe Tax left the ranking (was #7)
▲Amazon moved #8 → #7
▲QuickBooks moved #9 → #8
▲TaxCloud moved #10 → #9
▲WooCommerce moved #11 → #10

Aug 28, 2026vs Aug 27, 2026

No change above the noise floor.

Aug 27, 2026vs Aug 26, 2026

No change above the noise floor.

Aug 26, 2026vs Aug 25, 2026

Methodology change: extraction rules 4-7 → 7 between these dates. Differences below may reflect the rule change rather than a change in what AI recommends — see the methodology changelog.

▲ INQuickBooks entered the top 10 (#11 → #9)
▼ OUTQuaderno left the top 10 (#10 → #12)
▲QuickBooks moved #11 → #9
▼TaxCloud moved #8 → #10
▼Quaderno moved #10 → #12
▲Vertex moved #5 → #4
▼Anrok moved #4 → #5
▲Amazon moved #9 → #8
▼Quaderno -5.2pp (29% → 23.8%)
▼Anrok -4.9pp (49.3% → 44.4%)
▼TaxCloud -4.7pp (33.3% → 28.6%)
▼Stripe Tax -4.4pp (37.7% → 33.3%)
▼Stripe -3.6pp (62.3% → 58.7%)
▼Vertex -3.4pp (47.8% → 44.4%)
▲QuickBooks +2.7pp (27.5% → 30.2%)
▼Avalara -1.6pp (66.7% → 65.1%)
▼TaxJar -1.2pp (53.6% → 52.4%)

Aug 25, 2026vs Aug 24, 2026

▼Vertex moved #3 → #5
▲TaxJar moved #4 → #3
▲Anrok moved #5 → #4
▲Amazon moved #10 → #9
▼Quaderno moved #9 → #10
▲Anrok +7.8pp (41.5% → 49.3%)
▲TaxJar +7.3pp (46.3% → 53.6%)
▲Stripe +6.2pp (56.1% → 62.3%)
▲Avalara +5.7pp (61% → 66.7%)
▲Shopify +5.4pp (36.6% → 42%)
▲Stripe Tax +3.6pp (34.1% → 37.7%)
▲Amazon +3.6pp (26.8% → 30.4%)
▲TaxCloud +1.6pp (31.7% → 33.3%)
▼Vertex -1pp (48.8% → 47.8%)

Aug 24, 2026vs Aug 23, 2026

No change above the noise floor.

Aug 23, 2026vs Aug 22, 2026

▼Stripe Tax -3.1pp (37.2% → 34.1%)
▼TaxJar -2.5pp (48.8% → 46.3%)
▼Vertex -2.4pp (51.2% → 48.8%)
▼Stripe -2pp (58.1% → 56.1%)
▼Avalara -1.8pp (62.8% → 61%)
▲TaxCloud +1.5pp (30.2% → 31.7%)
▲Quaderno +1.4pp (27.9% → 29.3%)
▲Amazon +1.2pp (25.6% → 26.8%)

Aug 22, 2026vs Aug 21, 2026

▲Vertex moved #4 → #3
▼TaxJar moved #3 → #4
▲Stripe +3.4pp (54.7% → 58.1%)
▼TaxJar -2.8pp (51.6% → 48.8%)
▲Stripe Tax +2.8pp (34.4% → 37.2%)
▲Avalara +1.9pp (60.9% → 62.8%)
▲Anrok +1.3pp (40.6% → 41.9%)
▲Shopify +1.3pp (35.9% → 37.2%)
▲Quaderno +1.3pp (26.6% → 27.9%)
▲Vertex +1.2pp (50% → 51.2%)
▼TaxCloud -1.1pp (31.3% → 30.2%)

Aug 21, 2026vs Aug 20, 2026

No change above the noise floor.

Aug 20, 2026vs Aug 19, 2026

▼Stripe -3.2pp (57.9% → 54.7%)
▼TaxJar -2.8pp (54.4% → 51.6%)
▼TaxCloud -2pp (33.3% → 31.3%)
▼Anrok -1.5pp (42.1% → 40.6%)
▼Quaderno -1.5pp (28.1% → 26.6%)

Aug 19, 2026vs Aug 18, 2026

Methodology change: extraction rules 4 → 4-7 between these dates. Differences below may reflect the rule change rather than a change in what AI recommends — see the methodology changelog.

▲ INAmazon entered the top 10 (#13 → #10)
▼ OUTWooCommerce left the top 10 (#10 → #13)
▲Amazon moved #13 → #10
▼WooCommerce moved #10 → #13
▲Stripe moved #4 → #2
▲Shopify moved #8 → #6
▼TaxJar moved #2 → #3
▼Vertex moved #3 → #4
▼Stripe Tax moved #6 → #7
▼TaxCloud moved #7 → #8
▲Amazon +5.2pp (19.4% → 24.6%)
▲Stripe +5.1pp (52.8% → 57.9%)
▼Stripe Tax -3.8pp (38.9% → 35.1%)
▼TaxCloud -2.8pp (36.1% → 33.3%)
▼Anrok -2.3pp (44.4% → 42.1%)
▼WooCommerce -2.2pp (25% → 22.8%)
▼Vertex -1.9pp (52.8% → 50.9%)
▲Shopify +1.8pp (33.3% → 35.1%)
▼TaxJar -1.2pp (55.6% → 54.4%)

Aug 18, 2026vs Aug 17, 2026

No change above the noise floor.

Aug 17, 2026vs Aug 16, 2026

No change above the noise floor.

Aug 16, 2026vs Aug 15, 2026

No change above the noise floor.

Aug 15, 2026vs Aug 14, 2026

No change above the noise floor.

The ranking, date by date

Top 10 on each archived date, exactly as published. Cite a date and it stays true: snapshots are append-only, and a correction appends a new revision rather than overwriting the original.

Sep 8, 202663 sampled answers · window 2026-08-11 – 2026-09-08 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 7, 202663 sampled answers · window 2026-08-10 – 2026-09-07 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 6, 202663 sampled answers · window 2026-08-09 – 2026-09-06 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 5, 202663 sampled answers · window 2026-08-08 – 2026-09-05 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 4, 202663 sampled answers · window 2026-08-07 – 2026-09-04 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 3, 202663 sampled answers · window 2026-08-06 – 2026-09-03 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 2, 202663 sampled answers · window 2026-08-05 – 2026-09-02 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Sep 1, 202663 sampled answers · window 2026-08-04 – 2026-09-01 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Aug 31, 202663 sampled answers · window 2026-08-03 – 2026-08-31 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Aug 30, 202663 sampled answers · window 2026-08-02 – 2026-08-30 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Aug 29, 202663 sampled answers · window 2026-08-01 – 2026-08-29 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Amazon30.2%
#8QuickBooks30.2%
#9TaxCloud28.6%
#10WooCommerce25.4%

Aug 28, 202663 sampled answers · window 2026-07-31 – 2026-08-28 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Stripe Tax33.3%
#8Amazon30.2%
#9QuickBooks30.2%
#10TaxCloud28.6%

Aug 27, 202663 sampled answers · window 2026-07-30 – 2026-08-27 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Stripe Tax33.3%
#8Amazon30.2%
#9QuickBooks30.2%
#10TaxCloud28.6%

Aug 26, 202663 sampled answers · window 2026-07-29 – 2026-08-26 · rules v7

#1Avalara65.1%
#2Stripe58.7%
#3TaxJar52.4%
#4Vertex44.4%
#5Anrok44.4%
#6Shopify41.3%
#7Stripe Tax33.3%
#8Amazon30.2%
#9QuickBooks30.2%
#10TaxCloud28.6%

Aug 25, 202669 sampled answers · window 2026-07-28 – 2026-08-25 · rules v4-7

#1Avalara66.7%
#2Stripe62.3%
#3TaxJar53.6%
#4Anrok49.3%
#5Vertex47.8%
#6Shopify42%
#7Stripe Tax37.7%
#8TaxCloud33.3%
#9Amazon30.4%
#10Quaderno29%

Aug 24, 202641 sampled answers · window 2026-07-27 – 2026-08-24 · rules v4-7

#1Avalara61%
#2Stripe56.1%
#3Vertex48.8%
#4TaxJar46.3%
#5Anrok41.5%
#6Shopify36.6%
#7Stripe Tax34.1%
#8TaxCloud31.7%
#9Quaderno29.3%
#10Amazon26.8%

Aug 23, 202641 sampled answers · window 2026-07-26 – 2026-08-23 · rules v4-7

#1Avalara61%
#2Stripe56.1%
#3Vertex48.8%
#4TaxJar46.3%
#5Anrok41.5%
#6Shopify36.6%
#7Stripe Tax34.1%
#8TaxCloud31.7%
#9Quaderno29.3%
#10Amazon26.8%

Aug 22, 202643 sampled answers · window 2026-07-25 – 2026-08-22 · rules v4-7

#1Avalara62.8%
#2Stripe58.1%
#3Vertex51.2%
#4TaxJar48.8%
#5Anrok41.9%
#6Shopify37.2%
#7Stripe Tax37.2%
#8TaxCloud30.2%
#9Quaderno27.9%
#10Amazon25.6%

Aug 21, 202664 sampled answers · window 2026-07-24 – 2026-08-21 · rules v4-7

#1Avalara60.9%
#2Stripe54.7%
#3TaxJar51.6%
#4Vertex50%
#5Anrok40.6%
#6Shopify35.9%
#7Stripe Tax34.4%
#8TaxCloud31.3%
#9Quaderno26.6%
#10Amazon25%

Aug 20, 202664 sampled answers · window 2026-07-23 – 2026-08-20 · rules v4-7

#1Avalara60.9%
#2Stripe54.7%
#3TaxJar51.6%
#4Vertex50%
#5Anrok40.6%
#6Shopify35.9%
#7Stripe Tax34.4%
#8TaxCloud31.3%
#9Quaderno26.6%
#10Amazon25%

Aug 19, 202657 sampled answers · window 2026-07-22 – 2026-08-19 · rules v4-7

#1Avalara61.4%
#2Stripe57.9%
#3TaxJar54.4%
#4Vertex50.9%
#5Anrok42.1%
#6Shopify35.1%
#7Stripe Tax35.1%
#8TaxCloud33.3%
#9Quaderno28.1%
#10Amazon24.6%

Aug 18, 202636 sampled answers · window 2026-07-21 – 2026-08-18 · rules v4

#1Avalara61.1%
#2TaxJar55.6%
#3Vertex52.8%
#4Stripe52.8%
#5Anrok44.4%
#6Stripe Tax38.9%
#7TaxCloud36.1%
#8Shopify33.3%
#9Quaderno27.8%
#10WooCommerce25%

Aug 17, 202636 sampled answers · window 2026-07-20 – 2026-08-17 · rules v4

#1Avalara61.1%
#2TaxJar55.6%
#3Vertex52.8%
#4Stripe52.8%
#5Anrok44.4%
#6Stripe Tax38.9%
#7TaxCloud36.1%
#8Shopify33.3%
#9Quaderno27.8%
#10WooCommerce25%

Aug 16, 202636 sampled answers · window 2026-07-19 – 2026-08-16 · rules v4

#1Avalara61.1%
#2TaxJar55.6%
#3Vertex52.8%
#4Stripe52.8%
#5Anrok44.4%
#6Stripe Tax38.9%
#7TaxCloud36.1%
#8Shopify33.3%
#9Quaderno27.8%
#10WooCommerce25%

Aug 15, 202636 sampled answers · window 2026-07-18 – 2026-08-15 · rules v4

#1Avalara61.1%
#2TaxJar55.6%
#3Vertex52.8%
#4Stripe52.8%
#5Anrok44.4%
#6Stripe Tax38.9%
#7TaxCloud36.1%
#8Shopify33.3%
#9Quaderno27.8%
#10WooCommerce25%

Aug 14, 202636 sampled answers · window 2026-07-17 – 2026-08-14 · rules v4

#1Avalara61.1%
#2TaxJar55.6%
#3Vertex52.8%
#4Stripe52.8%
#5Anrok44.4%
#6Stripe Tax38.9%
#7TaxCloud36.1%
#8Shopify33.3%
#9Quaderno27.8%
#10WooCommerce25%

Read any date directly

Every archived date is machine-readable at /api/index/tax-compliance-software/as-of/<YYYY-MM-DD>, which returns the ranking as it stood, with the extraction version and revision it was published under. Dates before the record begins return no_record rather than a recomputation — we do not reconstruct history on demand and present it as what we said. See what the engines actually said.

[ORBATOR]