# Koalendar vs Lever: which do AI models recommend for interview scheduling, September 2026

HR AI Recommendation Index, September 2026 Edition, Interview scheduling. Zero of twelve models named Koalendar first on the direct prompt; four named Lever. Page: https://hr-ai-index.com/talent/interview-scheduling/koalendar-vs-lever/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Koalendar | 11% | #4 of 11 | 0% | 13 | 10 of 12 |
| Lever | 8% | #6 of 11 | 18% | 28 | 11 of 12 |

## The direct prompt, model by model

- Grok 4.1 Fast: lever first (first choices: GoodTime, Lever) (alternatives: Greenhouse, ModernLoop)
- Mistral Small: lever first (first choices: Lever) (alternatives: Koalendar, ModernLoop)
- Kimi K2: lever first (first choices: Lever) (alternatives: GoodTime, Greenhouse, ModernLoop)
- MiniMax M2.5: lever first (first choices: Cal.com, Lever) (alternatives: GoodTime, Greenhouse, ModernLoop)
- Claude Haiku 4.5: neither first, one named (first choices: Cronofy, Greenhouse) (alternatives: Calendly, Koalendar, ModernLoop)
- Perplexity Sonar: neither first, one named (first choices: ModernLoop) (alternatives: GoodTime, Lever)
- DeepSeek V4 Flash: neither first, one named (first choices: Greenhouse, ModernLoop) (alternatives: Ashby, Calendly, Lever)
- Llama 4 Maverick: neither first, one named (first choices: ModernLoop) (alternatives: Greenhouse, Lever)
- Qwen 3.7 Flash: neither first, one named (first choices: Greenhouse) (alternatives: Calendly, GoodTime, Lever, LimeLight, Lunacal)
- GLM 4.7 FlashX: neither first, one named (first choices: ModernLoop) (alternatives: GoodTime, Lever, candidate.fyi)
- GPT-5.4 mini: neither named (first choices: GoodTime) (alternatives: Ashby, Calendly)
- Gemini 3.5 Flash: neither named (first choices: ModernLoop) (alternatives: Ashby, candidate.fyi)

## What the models said about Koalendar

- "The best interview scheduling software for a company with a limited budget is Koalendar, which offers a genuinely free-forever plan and is simple to use." (Llama 4 Maverick, budget prompt, first choice)
- "the best interview scheduling software is usually Calendly or Koalendar if you want a dedicated scheduler" (Perplexity Sonar, budget prompt, first choice)
- "I would recommend starting with Koalendar or Calendly since they offer the most robust free plans" (MiniMax M2.5, budget prompt, first choice)

## What the models said about Lever

- "its native scheduling tool is frequently cited by users as having the "absolute worst UX."" (Qwen 3.7 Flash, negative prompt, hard negative)
- "Less structured tools, pricier renewals ... they're overkill (and 2-5x costlier) for most mid-sized B2B ops" (Grok 4.1 Fast, paraphrase prompt, soft negative)

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.