# Invoice Ninja: how AI models rank it, September 2026

Finance AI Recommendation Index, September 2026 Edition. Named in 13 judge labels across 1 categories by 10 of 12 models. Page: https://finance-ai-index.com/vendors/invoice-ninja/

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| Invoicing software | 0% | 20 | 15% | 13 |

## What the models said for it

- "Best for freelancers & contractors (free forever, no credit card)" (GLM 4.7 FlashX, Invoicing software)
- "Invoice Ninja Pro (from $18/mo for cloud or free self-hosted)" (Llama 4 Maverick, Invoicing software)
- "Invoice Ninja is best in terms of features and customization" (Claude Haiku 4.5, Invoicing software)
- "Invoice Ninja: Best for Tech-Savvy Users & Micro-Businesses" (Gemini 3.5 Flash, Invoicing software)

## And against it

- "look at Invoice Ninja or the Billing API side of Stripe, though these are more technical" (Qwen 3.7 Flash, Invoicing software)
- "Server-side request forgery (SSRF) vulnerability due to poor input validation" (Kimi K2, Invoicing software)

## Record

- Method: https://finance-ai-index.com/methodology/
- Raw judge labels and full responses: https://finance-ai-index.com/data/
- License: CC BY 4.0. Cite as Finance AI Recommendation Index, September 2026 Edition, finance-ai-index.com.