# Lightcast Open Skills vs Eightfold AI: which do AI models recommend for skills intelligence, September 2026

HR AI Recommendation Index, September 2026 Edition, Skills intelligence. Zero of twelve models named Lightcast Open Skills first on the direct prompt; two named Eightfold AI. Page: https://hr-ai-index.com/performance/skills-intelligence/lightcast-open-skills-vs-eightfold-ai/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Lightcast Open Skills | 9% | #4 of 16 | 8% | 12 | 10 of 12 |
| Eightfold AI | 4% | #7 of 16 | 59% | 27 | 12 of 12 |

## The direct prompt, model by model

- GPT-5.4 mini: eightfold ai first (first choices: Eightfold AI, SkillPanel) (alternatives: Fuel50, Retrain.ai, Workday Skills Cloud)
- Qwen 3.7 Flash: eightfold ai first (first choices: Eightfold AI) (alternatives: Clad.io, DeepSkill, Gloat, Lightcast Open Skills)
- Claude Haiku 4.5: neither named (first choices: TalentGuard) (alternatives: Amplemarket, iMocha)
- Gemini 3.5 Flash: neither named (first choices: Career Bird) (alternatives: Docebo, Fuel50, Workera)
- Perplexity Sonar: neither named (first choices: TalentGuard) (alternatives: INOP, SkillPanel, Skills Base, iMocha)
- Grok 4.1 Fast: neither named (first choices: TalentGuard, iMocha) (alternatives: Fuel50)
- Mistral Small: neither named (first choices: TalentGuard, iMocha) (alternatives: Bryq, INOP)
- DeepSeek V4 Flash: neither named (first choices: Fuel50, TalentGuard) (alternatives: MuchSkills, Skills Base)
- Llama 4 Maverick: neither named (first choices: TalentGuard) (alternatives: Criteria Corp, Engagedly, iMocha)
- Kimi K2: neither named (first choices: TalentGuard) (alternatives: 365Talents, Engagedly, Fuel50, TechWolf)
- GLM 4.7 FlashX: neither named (first choices: iMocha) (alternatives: MuchSkills, Skills Base, TalentGuard)
- MiniMax M2.5: neither named (first choices: TalentGuard) (alternatives: 365Talents, Gloat)

## What the models said about Lightcast Open Skills

- "Enterprise platforms like ... Lightcast, etc. tend to be stronger but usually not the best fit for a tight budget." (GPT-5.4 mini, budget prompt, soft negative)
- "The Industry Standard: Lightcast Skills Taxonomy (formerly Emsi Burning Glass)... The absolute gold standard in labor market data." (Gemini 3.5 Flash, paraphrase prompt, first choice)
- "I'd recommend Lightcast Open Skills as the skills taxonomy paired with TechWolf as the inference tool" (Grok 4.1 Fast, paraphrase prompt, first choice)
- "I'd usually recommend Lightcast Skills Taxonomy + a Lightcast-based inference layer as the default choice" (GPT-5.4 mini, paraphrase prompt, first choice)

## What the models said about Eightfold AI

- "Gloat and Eightfold AI ... bring enterprise-grade complexity, cost, and lengthy implementations that usually overkill mid-market budgets" (DeepSeek V4 Flash, direct prompt, hard negative)
- "The Best All-Rounder (AI & Talent Acquisition)
Eightfold AI

Eightfold is widely considered the leader in the skills-based movement" (Qwen 3.7 Flash, direct 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.