Calendly vs Cal.com
Nine of fourteen models named Calendly first on the direct prompt; zero named Cal.com. Both were named by all fourteen models and Calendly carries 79 labels and Cal.com 40, so the shares are not directly comparable.
United States, founded 2013. Named in three categories this edition.
Named in three categories this edition.
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 meeting scheduling page.
By framing
CalendlyFirst choices, of fourteen modelsCal.com
Across every category in the November 2026 Edition, Calendly and Cal.com were named in the same answer 122 times, of the 232 answers naming Calendly and the 138 naming Cal.com. In those answers Cal.com took the first choice fourteen times and Calendly seventy-three.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | | |
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.20 | | | | | | |
| 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 | | | | | | |
Calendly Cal.com first choice named as an alternative argued againstblank: not namedEach cell is one answer, Calendly on the left and Cal.com on the right.The direct prompt
Calendly first, Cal.com an alternative
9 of 14 modelsCal.com was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
4 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
1 of 14 modelsThe answer made no first choice from these two in this category.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
Calendly66%#1 of 12Cal.com4%#4 of 12Calendly56%#1 of 11Cal.com4%#4 of 11What the models said about Calendly
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“specifically avoid putting PHI or highly confidential information into tools like Calendly that explicitly prohibit it” DeepSeek V4 Flash · negative prompt · hard negative
“Frequently flagged in privacy lists (e.g., Awesome Privacy recommends avoiding it)” Grok 4.20 · negative prompt · hard negative
“A 2025 study of Zoom apps flagged the *Calendly for Zoom* integration as requesting access to meeting content that appeared unnecessary for its scheduling function.” GPT-6 Luna · negative prompt · soft negative
“The best meeting scheduling tool for sales teams on a limited budget is Calendly, which offers a free plan and paid plans starting at $10/seat/mo.” Llama 4 Maverick · budget prompt · first choice
“Calendly is arguably the most popular standalone scheduling tool... Best balance of features, price, and ease of use for most people.” Qwen 3.7 Flash · comparative prompt · first choice
“Calendly is the best overall pick for most sales teams because it balances CRM integration, round robin routing, and ease of setup.” Claude Haiku 4.5 · direct prompt · first choice
What the models said about Cal.com
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of six in this category shown.
“Included in "avoid" lists alongside Calendly and Doodle on privacy sites” Grok 4.20 · negative prompt · hard negative
“Tools such as Cal.com can provide control and customization, but self-hosting leaves your team responsible for uptime, security patches, backups, and scaling.” Perplexity Sonar · negative prompt · soft negative
“the recent broken access control history means you should verify patch status, version, and access controls before using it for sensitive data” Muse Glimmer 30B · negative prompt · soft negative
“Cal.com is the strongest starting point among Calendly alternatives for free solo booking and affordable team routing” Muse Glimmer 30B · budget prompt · first choice
“tools like Cal.com (open-source, self-hosting available) ... offer stronger privacy-by-design architectures” Kimi K2 · negative prompt · first choice
“High-rated options balancing privacy and functionality include Cal.com (open-source)” Gemini 3.5 Flash · negative prompt · first choice
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.