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Interview scheduling · October 2026 Edition

Cal.com vs Koalendar

One of fourteen models named Cal.com first on the direct prompt; zero named Koalendar. Cal.com was named by ten of the fourteen models and Koalendar by seven and Cal.com carries 21 labels and Koalendar 10, so the shares are not directly comparable.

Cal.com

accepted challenger

Named in two categories this edition.

Koalendar

accepted challenger

Named in one category this edition.

First-choice share8%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 12; printed, not drawn.
Labels2110A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Cal.com reading right to left. Rank and label count are printed, not drawn.Greenhouse was named alongside these two in eleven of the fourteen direct answers. Calendly vs Cal.com · Calendly vs Koalendar · GoodTime vs Cal.com

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; every quote names the model and the prompt it came from. Both figures come from the interview scheduling page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Cal.comFirst choices, of fourteen modelsKoalendar
Direct10
Paraphrase00
Comparative30
Budget-constrained44
Scale-constrained00
Negative00
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Cal.com and Koalendar stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
Cal.com Koalendar first choice named as an alternative argued againstblank: not namedEach cell is one answer, Cal.com on the left and Koalendar on the right.

The direct prompt

The plain question, one answer per model, grouped by where Cal.com and Koalendar stood in it.

Cal.com first, Koalendar not the choice

1 of 14 modelsKoalendar was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashCal.com, Calendly alternatives: Greenhouse, Lever

Neither was the first choice, one was named

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Mistral SmallGreenhouse, Lever alternatives: Cal.com
Llama 4 MaverickLever alternatives: Cal.com, Greenhouse, Joveo, Workforce Now
MiniMax M2.5Lever alternatives: Cal.com, Chili Piper, Greenhouse

Neither was named

10 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5ModernLoop alternatives: Ashby, GoodTime, Greenhouse
GPT-5.4 miniAshby alternatives: Calendly Sales, GoodTime, Prelude
Gemini 3.5 FlashModernLoop alternatives: Ashby, Calendly’s Prelude, GoodTime
Perplexity SonarGoodTime alternatives: Calendly Sales, Greenhouse, ModernLoop
Grok 4.1 FastCalendly alternatives: Chili Piper, Greenhouse, Lever
Qwen 3.7 FlashGoodTime alternatives: Ashby, Lever
Kimi K2ModernLoop alternatives: Ashby, Calendly, GoodTime, Greenhouse, Lever
GLM 4.7 FlashXCalendly alternatives: GoodTime, Greenhouse, Lever
GPT-6 LunaModernLoop alternatives: GoodTime, Greenhouse
Muse Glimmer 30BGreenhouse, Jobvite alternatives: GoodTime, candidate.fyi

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Koalendar leads by ten points.
Koalendar14%#2 of 15
Cal.com3%#6 of 15
The full small business standing →
Mid-marketThe figures above
The order flips: Cal.com leads at mid-market.
Cal.com8%#6 of 12
Koalendar6%#7 of 12
The full mid-market standing →
Enterprise
Cal.com leads by two points.
Cal.com2%#7 of 13
Koalendar0%#– of 13
The full enterprise standing →

What the models said about Cal.com

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of three in this category shown.

“If you want a modern standalone tool for $0: Go with Cal.com (to create multiple interview types for free)” Gemini 3.5 Flash · budget prompt · first choice
“Calendly’s free plan or Cal.com’s free/low-cost tier, because both cover basic scheduling” Perplexity Sonar · budget prompt · first choice
“Calendly (free) or Cal.com (free tier) | Instant set‑up, embeddable links, zero cost” MiniMax M2.5 · comparative prompt · first choice

What the models said about Koalendar

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.

“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
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.