# Lattice vs SuccessionStack: which do AI models recommend for succession planning, September 2026

HR AI Recommendation Index, September 2026 Edition, Succession planning. Five of twelve models named Lattice first on the direct prompt; two named SuccessionStack. Page: https://hr-ai-index.com/performance/succession-planning/lattice-vs-successionstack/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Lattice | 31% | #1 of 13 | 5% | 38 | 12 of 12 |
| SuccessionStack | 4% | #7 of 13 | 0% | 14 | 8 of 12 |

## The direct prompt, model by model

- GLM 4.7 FlashX: both first (first choices: Dayforce, Engagedly, Lattice, SuccessionStack) (alternatives: Cornerstone OnDemand, Leapsome, SAP SuccessFactors, SuccessionNow, TalentGuard, UKG Pro Succession Planning, Workday HCM)
- Claude Haiku 4.5: lattice first (first choices: Engagedly, Lattice) (alternatives: ChartHop, ELMO Software, Fuel50, TalentGuard)
- Gemini 3.5 Flash: lattice first (first choices: Lattice) (alternatives: ChartHop, OrgChart, PerformYard, SuccessionNow, Teamflect)
- Mistral Small: lattice first (first choices: Engagedly, Lattice) (alternatives: SuccessionNow, SuccessionStack, TalentGuard)
- DeepSeek V4 Flash: lattice first (first choices: Engagedly, Lattice) (alternatives: Leapsome, Paylocity, SuccessionNow, SuccessionStack)
- Kimi K2: successionstack first (first choices: SuccessionStack) (alternatives: ClearCompany, Engagedly, Lattice, Paylocity)
- Grok 4.1 Fast: neither first, one named (first choices: Engagedly) (alternatives: Lattice, SuccessionNow, SuccessionStack)
- Llama 4 Maverick: neither first, one named (first choices: Engagedly) (alternatives: Lattice, SuccessionStack, UKG Pro Succession Planning)
- Qwen 3.7 Flash: neither first, one named (first choices: Engagedly) (alternatives: Lattice, SuccessionStack, SuccessionWizard, TalentGuard)
- MiniMax M2.5: neither first, one named (first choices: Engagedly) (alternatives: Lattice, TalentGuard, UKG Pro)
- GPT-5.4 mini: neither named (first choices: UKG Pro) (alternatives: Cornerstone Succession, Quantum Workplace, SAP SuccessFactors HCM)
- Perplexity Sonar: neither named (first choices: TalentGuard) (alternatives: Engagedly)

## What the models said about SuccessionStack

- "If succession planning is a strategic priority and you want best-in-class depth without enterprise complexity → SuccessionStack" (Kimi K2, direct prompt, first choice)
- "Engagedly, Lattice, Dayforce, or SuccessionStack strike the best balance of functionality, usability, and pricing" (GLM 4.7 FlashX, direct prompt, first choice)
- "if you want succession as the entire product, choose a dedicated tool (SuccessionStack, TalentGuard, SuccessionNow)" (DeepSeek V4 Flash, comparative 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.