# LeanData vs Default: which do AI models recommend for lead routing, September 2026

GTM AI Recommendation Index, September 2026 Edition, Lead routing and management. Five of twelve models named LeanData first on the direct prompt; one named Default. Page: https://gtm-ai-index.com/sales/lead-routing-and-management/leandata-vs-default/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| LeanData | 21% | #2 of 14 | 20% | 55 | 12 of 12 |
| Default | 2% | #8 of 14 | 13% | 23 | 10 of 12 |

## The direct prompt, model by model

- Claude Haiku 4.5: leandata first (first choices: HubSpot Operations Hub, LeanData) (alternatives: Chili Piper, Default, Distribution Engine, LeadAngel)
- Gemini 3.5 Flash: leandata first (first choices: Chili Piper, LeanData) (alternatives: Default, Distribution Engine, HubSpot Operations Hub, Kubaru, RevenueHero)
- Grok 4.1 Fast: leandata first (first choices: LeanData) (alternatives: Chili Piper, HubSpot Workflows, LeadAngel)
- Mistral Small: leandata first (first choices: Chili Piper, LeadAngel, LeanData) (alternatives: Default)
- Kimi K2: leandata first (first choices: Chili Piper, LeanData) (alternatives: Distribution Engine, PowerRouter)
- DeepSeek V4 Flash: default first (first choices: Default, LeadAngel) (alternatives: Chili Piper, HubSpot Sales Hub, RevenueHero, Salesforce Lead Assignment Rules)
- GPT-5.4 mini: neither first, one named (first choices: Chili Piper) (alternatives: LeanData, Revenue.io)
- Perplexity Sonar: neither first, one named (first choices: LeadAngel) (alternatives: Chili Piper, HubSpot Routing, LeanData)
- GLM 4.7 FlashX: neither first, one named (first choices: Chili Piper) (alternatives: HubSpot Sales Hub, LeanData)
- MiniMax M2.5: neither first, one named (first choices: LeadAngel) (alternatives: Keap, LeanData, PowerRouter)
- Llama 4 Maverick: neither named (first choices: LeadAngel) (alternatives: Copper, Freshsales, HubSpot Sales Hub, Zoho CRM)
- Qwen 3.7 Flash: neither named (first choices: RoundRobin.io) (alternatives: HubSpot Operations Hub, Outreach, Replicant, Salesforce Einstein, Salesloft)

## What the models said about LeanData

- "here are the lead routing and management tools you should avoid or be cautious about... LeanData Common Issues: - Complex interface" (GLM 4.7 FlashX, negative prompt, hard negative)
- "trying to buy enterprise-level lead routing platforms like LeanData, Default, or full Chili Piper suites can be incredibly frustrating" (Gemini 3.5 Flash, budget prompt, hard negative)
- "LeanData / 6sense / ZoomInfo GTM Studio — Mid-five to six-figure contracts" (Kimi K2, budget prompt, hard negative)
- "The gold standard for Salesforce-native environments... LeanData is the market leader. However, it requires experienced RevOps administrators to maintain." (Gemini 3.5 Flash, scale prompt, first choice)
- "start by evaluating Chili Piper if your bottleneck is inbound conversion speed, or LeanData if your bottleneck is messy routing logic" (Kimi K2, direct prompt, first choice)
- "LeanData | Enterprise, complex Salesforce environments | Lead-to-account matching, territories, ownership governance, audit depth" (DeepSeek V4 Flash, scale prompt, first choice)

## What the models said about Default

- "enterprise-level lead routing platforms like LeanData, Default, or full Chili Piper suites ... require five-figure annual contracts" (Gemini 3.5 Flash, budget prompt, hard negative)
- "recent G2 reviews mention routing issues, “vaporware” AI features, and support that felt reactive rather than proactive. That’s a warning sign" (GPT-5.4 mini, negative prompt, soft negative)
- "Default has workflow/UX gripes" (Grok 4.1 Fast, negative prompt, soft negative)
- "I'd shortlist LeadAngel or Default" (DeepSeek V4 Flash, direct prompt, first choice)
- "pass the actual distribution to a dedicated routing or scheduling layer (like *Chili Piper, RevenueHero,* or *Default*)" (Gemini 3.5 Flash, negative prompt, alternative)
- "Chili Piper or Default if the real problem is fast inbound handoff and meeting booking" (Perplexity Sonar, paraphrase 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.