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

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

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Lever | 11% | #3 of 12 | 9% | 34 | 12 of 14 |
| Koalendar | 6% | #7 of 12 | 0% | 10 | 7 of 14 |

## The direct prompt, model by model

- Mistral Small: lever first (first choices: Greenhouse, Lever) (alternatives: Cal.com)
- Llama 4 Maverick: lever first (first choices: Lever) (alternatives: Cal.com, Greenhouse, Joveo, Workforce Now)
- MiniMax M2.5: lever first (first choices: Lever) (alternatives: Cal.com, Chili Piper, Greenhouse)
- Grok 4.1 Fast: neither first, one named (first choices: Calendly) (alternatives: Chili Piper, Greenhouse, Lever)
- DeepSeek V4 Flash: neither first, one named (first choices: Cal.com, Calendly) (alternatives: Greenhouse, Lever)
- Qwen 3.7 Flash: neither first, one named (first choices: GoodTime) (alternatives: Ashby, Lever)
- Kimi K2: neither first, one named (first choices: ModernLoop) (alternatives: Ashby, Calendly, GoodTime, Greenhouse, Lever)
- GLM 4.7 FlashX: neither first, one named (first choices: Calendly) (alternatives: GoodTime, Greenhouse, Lever)
- Claude Haiku 4.5: neither named (first choices: ModernLoop) (alternatives: Ashby, GoodTime, Greenhouse)
- GPT-5.4 mini: neither named (first choices: Ashby) (alternatives: Calendly Sales, GoodTime, Prelude)
- Gemini 3.5 Flash: neither named (first choices: ModernLoop) (alternatives: Ashby, Calendly’s Prelude, GoodTime)
- Perplexity Sonar: neither named (first choices: GoodTime) (alternatives: Calendly Sales, Greenhouse, ModernLoop)
- GPT-6 Luna: neither named (first choices: ModernLoop) (alternatives: GoodTime, Greenhouse)
- Muse Glimmer 30B: neither named (first choices: Greenhouse, Jobvite) (alternatives: GoodTime, candidate.fyi)

## What the models said about Lever

- "Avoid full ATS suites like Lever/Greenhouse unless free tiers suffice, as they're pricier for scale." (Grok 4.1 Fast, budget prompt, hard negative)
- "their native scheduling tools are decent for simple 1:1s, but they lack advanced interviewer load balancing" (Gemini 3.5 Flash, direct prompt, soft negative)
- "Lever - Best for mid-market to enterprise teams hiring at scale... AI-native recruiting platform with scheduling" (Llama 4 Maverick, direct prompt, first choice)

## What the models said about Koalendar

- "It's the top pick for simple automated interview scheduling, especially for small and mid-sized recruiting teams" (Claude Haiku 4.5, budget prompt, first choice)
- "Start with Koalendar or Calendly's free plan to get basic functionality without cost." (GLM 4.7 FlashX, budget prompt, first choice)
- "Cal.com free tier or Koalendar free forever give the most features without cost" (Muse Glimmer 30B, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen 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.