# Diligent One Platform vs Optro: which do AI models recommend for internal controls, September 2026

Finance AI Recommendation Index, September 2026 Edition, Internal controls and SOX. Zero of twelve models named Diligent One Platform first on the direct prompt; one named Optro. Page: https://finance-ai-index.com/tax/internal-controls-and-sox/diligent-one-platform-vs-optro/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Diligent One Platform | 4% | #3 of 13 | 5% | 20 | 10 of 12 |
| Optro | 4% | #6 of 13 | 0% | 11 | 8 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: optro first (first choices: Optro) (alternatives: FloQast, Hyperproof, Scytale, Workiva)
- Claude Haiku 4.5: neither first, one named (first choices: AuditBoard) (alternatives: FloQast, Optro, Scytale)
- Perplexity Sonar: neither first, one named (first choices: FloQast) (alternatives: AuditBoard, Optro)
- Mistral Small: neither first, one named (first choices: FloQast) (alternatives: HighRadius, Optro)
- MiniMax M2.5: neither first, one named (first choices: FloQast) (alternatives: Diligent One Platform, Optro, VComply)
- GPT-5.4 mini: neither named (first choices: Workiva) (alternatives: AuditBoard, LogicGate Risk Cloud)
- Grok 4.1 Fast: neither named (first choices: FloQast) (alternatives: AuditBoard, Onspring, VComply)
- DeepSeek V4 Flash: neither named (first choices: FloQast) (alternatives: AuditBoard, Hyperproof, Onspring, Workiva)
- Llama 4 Maverick: neither named (first choices: FloQast) (alternatives: HighRadius, Onspring)
- Qwen 3.7 Flash: neither named (first choices: Onspring) (alternatives: Hyperproof, Scytale)
- Kimi K2: neither named (first choices: FloQast) (alternatives: AuditBoard, Onspring, Workiva)
- GLM 4.7 FlashX: neither named (first choices: AuditBoard, FloQast) (alternatives: Hyperproof, Mitti, NAVEX One, Workiva)

## What the models said about Diligent One Platform

- "It is expensive (often $180k–$350k/year for mid-market packages) and has a steeper learning curve. It is likely overkill" (GLM 4.7 FlashX, paraphrase prompt, soft negative)
- "I'd recommend starting with HighBond or AuditBoard as they offer the best balance of features, ease of use, and pricing" (MiniMax M2.5, paraphrase prompt, first choice)
- "HighBond is praised for ongoing evidence collection and clear exception follow-through, making them both strong choices" (Mistral Small, paraphrase prompt, first choice)
- "Choose HighBond if you need strong SOX compliance with traceable evidence" (MiniMax M2.5, comparative prompt, first choice)

## What the models said about Optro

- "If the Internal Audit / Dedicated SOX Lead owns the project: Go with Optro (AuditBoard). It is the most robust and standardized system for auditors." (Gemini 3.5 Flash, direct prompt, first choice)
- "Best Overall for Financial Controls, SOX, and Internal Audit: Optro (formerly AuditBoard) ... Optro is the industry standard." (Gemini 3.5 Flash, paraphrase prompt, first choice)
- "Best for: SOX 404 compliance, internal audit management, and mid-to-large enterprises." (Gemini 3.5 Flash, comparative prompt, first choice)

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.