# Accounts payable automation: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "accounts payable automation software" and as "invoice processing automation", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/finance/spend/accounts-payable-automation/2026-11

**Standing:** BILL Accounts Payable leads with 30% of first choices; verdict contested. 44 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [BILL Accounts Payable](https://www.gane.ai/index/finance/vendors/bill-accounts-payable/index.md) | 30% | 22% | 63 |
| 2 | [Stampli](https://www.gane.ai/index/finance/vendors/stampli/index.md) | 23% | 2% | 43 |
| 3 | [Ramp](https://www.gane.ai/index/finance/vendors/ramp/index.md) | 23% | 10% | 41 |
| 4 | [AvidXchange](https://www.gane.ai/index/finance/vendors/avidxchange/index.md) | 7% | 10% | 41 |
| 5 | [Tipalti](https://www.gane.ai/index/finance/vendors/tipalti/index.md) | 5% | 14% | 49 |
| 6 | [Melio](https://www.gane.ai/index/finance/vendors/melio/index.md) | 5% | 4% | 24 |
| 10 | [Medius](https://www.gane.ai/index/finance/vendors/medius/index.md) | 0% | 9% | 23 |
| 11 | [Sage Intacct](https://www.gane.ai/index/finance/vendors/sage-intacct/index.md) | 0% | 0% | 11 |
| 13 | [QuickBooks](https://www.gane.ai/index/finance/vendors/quickbooks/index.md) | 0% | 18% | 11 |
| 14 | [Basware](https://www.gane.ai/index/finance/vendors/basware/index.md) | 0% | 21% | 14 |
| 15 | [Airbase](https://www.gane.ai/index/finance/vendors/airbase/index.md) | 0% | 10% | 10 |
| 16 | [Yooz](https://www.gane.ai/index/finance/vendors/yooz/index.md) | 0% | 10% | 10 |

Rank is by share of first choices among all 85 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Rillion; alternatives AvidXchange, Medius, Quadient AP, Tipalti
- GPT-5.4 mini: Stampli; alternatives BILL Accounts Payable, Ramp, Sage Intacct, Tipalti
- Gemini 3.5 Flash: Stampli; alternatives Airbase, AvidXchange, Medius, Ramp
- Perplexity Sonar: BILL Accounts Payable; alternatives Payhawk, Ramp, Stampli, Tipalti
- Grok 4.20: BILL Accounts Payable; alternatives AvidXchange, Melio, Stampli, Tipalti
- Mistral Small: BILL Accounts Payable; alternatives AvidXchange, Payhawk, Stampli, Tipalti
- DeepSeek V4 Flash: Stampli; alternatives AvidXchange, BILL Accounts Payable, Tipalti
- Llama 4 Maverick: AvidXchange; alternatives Basware, Stampli, Tipalti
- Qwen 3.7 Flash: BILL Accounts Payable; alternatives BlackLine, Coupa, Ramp, Tipalti
- Kimi K2: Stampli; alternatives AvidXchange, BILL Accounts Payable, MineralTree TotalAP, Tipalti
- GLM 4.7 FlashX: BILL Accounts Payable; alternatives AvidXchange, Coupa, Medius, Procurify
- MiniMax M2.5: BILL Accounts Payable; alternatives Coupa, Procurify, Stampli, Tipalti
- GPT-6 Luna: Stampli; alternatives AvidXchange, BILL Accounts Payable, Tipalti
- Muse Glimmer 30B: BILL Accounts Payable; alternatives AvidXchange, Stampli, Tipalti

## Sources the answers cite

75 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- g2.com: 32 answers, 51 citations
- bill.com: 26 answers, 35 citations
- mindsprint.com: 22 answers, 24 citations
- albato.com: 18 answers, 18 citations
- medius.com: 17 answers, 25 citations
- tipalti.com: 14 answers, 16 citations
- resources.rework.com: 14 answers, 15 citations
- stampli.com: 13 answers, 22 citations

Pages named in the most answers:

- https://g2.com/categories/ap-automation (20 answers)
- https://mindsprint.com/resources/blogs/automated-accounts-payable-software (20 answers)
- https://albato.com/blog/publications/best-accounts-payable-automation-software (18 answers)
- https://resources.rework.com/tools/spend-expense/best-ap-automation-software-2026 (12 answers)
- https://zip.com/blog/ap-automation-software (12 answers)
- https://bill.com/blog/best-accounts-payable-automation-software (11 answers)
- https://geekflare.com/guides/best-ap-automation-software (9 answers)
- https://bill.com/blog/best-invoice-automation-software (8 answers)
- https://dokka.com/best-ap-automation-tools-for-mid-sized-companies (8 answers)
- https://medius.com/blog/top-ap-automation-software-compared-features-fit-and-tradeoffs (8 answers)

## Warned against

- BILL Accounts Payable: 14 of 63 labels negative. "While popular, BILL has significant issues to consider: Poor customer service... BBB rating of only 1.09/5 stars" (Kimi K2, negative prompt)
- Tipalti: 7 of 49 labels negative. "Users frequently cite hidden "drip fees" and complex pricing structures that are far more expensive than initially quoted." (DeepSeek V4 Flash, negative prompt)
- Coupa: 9 of 25 labels negative. "Suppliers often find the Coupa Supplier Portal annoying and resist signing up, which undermines automation." (DeepSeek V4 Flash, negative prompt)
- SAP Concur: 6 of 18 labels negative. "A major player but with serious usability concerns: Steep learning curve... Constant loading issues and timeouts" (Kimi K2, negative prompt)

## Movement since October 2026

Floor: 10 points of share, measured on the calibration repeat.
New leader: Ramp (22%) to BILL Accounts Payable (30%). Margin 7 points, within noise.

- BILL Accounts Payable: 20% to 30%, +10. Inside the floor by 0 points · rank 3 → 1 of 85.
- Tipalti: 10% to 5%, −5. Inside the floor by 5 points · rank 4 → 5 of 85.
- Medius: 3% to 0%, −3. Inside the floor by 7 points · rank 7 → 10 of 85.
- AvidXchange: 5% to 7%, +2. Inside the floor by 8 points · rank 5 → 4 of 85.
- Airbase: 2% to 0%, −2. Inside the floor by 8 points · rank 10 → 15 of 85.
- Yooz: 2% to 0%, −2. Inside the floor by 8 points · rank 9 → 16 of 85.
- Stampli: 22% to 23%, +1. Inside the floor by 9 points · rank 2 of 85, unchanged.
- Ramp: 22% to 23%, +1. Inside the floor by 9 points · rank 1 → 3 of 85.
- Melio: 5% to 5%, ±0. Inside the floor by 10 points · rank 6 of 85, unchanged.
- Sage Intacct: 0% to 0%, ±0. Inside the floor by 10 points · rank 17 → 11 of 85.
- QuickBooks: 0% to 0%, ±0. Inside the floor by 10 points · rank 16 → 13 of 85.
- Basware: 0% to 0%, ±0. Inside the floor by 10 points · rank 20 → 14 of 85.

## Record

- Method: https://www.gane.ai/index/finance/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/finance.