# Taxwire vs Numeral: which do AI models recommend for sales tax automation, September 2026

Finance AI Recommendation Index, September 2026 Edition, Sales tax automation. Five of twelve models named Taxwire first on the direct prompt; zero named Numeral. Page: https://finance-ai-index.com/tax/sales-tax-automation/taxwire-vs-numeral/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Taxwire | 19% | #3 of 12 | 0% | 16 | 10 of 12 |
| Numeral | 2% | #5 of 12 | 20% | 10 | 6 of 12 |

## The direct prompt, model by model

- Claude Haiku 4.5: taxwire first (first choices: Taxwire) (alternatives: Anrok, Avalara AvaTax)
- Perplexity Sonar: taxwire first (first choices: Avalara AvaTax, Taxwire) (alternatives: Anrok, TaxCloud, TaxJar)
- Llama 4 Maverick: taxwire first (first choices: Taxwire)
- GLM 4.7 FlashX: taxwire first (first choices: Taxwire) (alternatives: Anrok, Avalara AvaTax, Stripe Tax, Vertex, Zamp)
- MiniMax M2.5: taxwire first (first choices: Taxwire) (alternatives: Avalara AvaTax, TaxJar, Zamp)
- Gemini 3.5 Flash: neither first, one named (first choices: Anrok) (alternatives: Avalara AvaTax, Taxwire, Vertex)
- GPT-5.4 mini: neither named (first choices: Avalara AvaTax) (alternatives: Sovos, Thomson Reuters ONESOURCE, Vertex)
- Grok 4.1 Fast: neither named (first choices: Avalara AvaTax) (alternatives: TaxCloud, TaxJar, Vertex, Zamp/Taxwire)
- Mistral Small: neither named (first choices: Avalara AvaTax) (alternatives: TaxJar, Vertex)
- DeepSeek V4 Flash: neither named (first choices: Avalara AvaTax) (alternatives: Sovos, Vertex, Zamp)
- Qwen 3.7 Flash: neither named (first choices: Avalara AvaTax) (alternatives: MetaTax, Sovos, Vertex, Waystar)
- Kimi K2: neither named (first choices: Avalara AvaTax) (alternatives: Anrok, TaxJar)

## What the models said about Taxwire

- "I'd recommend Taxwire if you want a full-service sales tax calculation and filing tool with the least operational burden" (Perplexity Sonar, paraphrase prompt, first choice)
- "Taxwire is frequently mentioned as a top-rated option specifically for mid-market B2B companies." (MiniMax M2.5, direct prompt, first choice)
- "TaxWire is the strongest overall pick if you want the most hands-off approach" (Perplexity Sonar, direct prompt, first choice)

## What the models said about Numeral

- "Reddit "horror stories" of misfilings. Steer clear for multi-state ops" (Grok 4.1 Fast, negative prompt, hard negative)
- "Avoid if you rely on them for guaranteed, error-free filing." (DeepSeek V4 Flash, negative prompt, hard negative)
- "TaxCloud and Numeral are often cited as the most affordable and user-friendly options" (Mistral Small, budget prompt, first choice)
- "Look for platforms (like Zamp, Numeral, or TaxCloud) that offer human tax experts" (Gemini 3.5 Flash, negative prompt, alternative)
- "Numeral: Best Pay-Per-Filing Option for Low-State Footprints" (Gemini 3.5 Flash, budget prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.