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Interview scheduling · November 2026 Edition

Greenhouse vs Prelude

Zero of fourteen models named Greenhouse first on the direct prompt; zero named Prelude. Greenhouse was named by thirteen of the fourteen models and Prelude by nine and Greenhouse carries 23 labels and Prelude 14, so the shares are not directly comparable.

Greenhouse

accepted challenger

Named in fourteen categories this edition.

Prelude

criticized challenger

Named in one category this edition.

First-choice share4%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate13%29%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#7#8A position in a field of 15; printed, not drawn.
Labels2314A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Greenhouse reading right to left. Rank and label count are printed, not drawn.ModernLoop was named alongside these two in thirteen of the fourteen direct answers. ModernLoop vs Greenhouse · ModernLoop vs Prelude · Calendly vs Greenhouse

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.
GreenhouseFirst choices, of fourteen modelsPrelude
Direct001 against Prelude
Paraphrase201 against Greenhouse · 1 against Prelude
Comparative001 against Prelude
Budget-constrained00
Scale-constrained01
Negative002 against Greenhouse · 1 against Prelude
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 Greenhouse and Prelude stood in it.
ModelDirectPRParaphrasePRComparativePRBudget-constrainedPRScale-constrainedPRNegativePR
Claude Haiku 4.5PR
GPT-5.4 miniPR
Gemini 3.5 FlashPRPR
Perplexity Sonar
Grok 4.20PR
Mistral Small
DeepSeek V4 FlashPR
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2PR
GLM 4.7 FlashXPR
MiniMax M2.5
GPT-6 LunaPR
Muse Glimmer 30BPRPR
GreenhousePR Prelude first choice named as an alternative argued againstblank: not namedEach cell is one answer, Greenhouse on the left and Prelude on the right.

The direct prompt

The plain question, one answer per model, grouped by where Greenhouse and Prelude stood in it.

Neither was the first choice, one was named

5 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5ModernLoop alternatives: Ashby, GoodTime, Prelude
GPT-5.4 miniGoodTime alternatives: Ashby, Calendly, Greenhouse, Lever
Grok 4.20ModernLoop alternatives: Grayscale, Prelude
Qwen 3.7 FlashCalendly, ModernLoop alternatives: GoodTime, Greenhouse, Lever
Muse Glimmer 30BModernLoop alternatives: Grayscale, Prelude

Neither was named

9 of 14 modelsThe answer made no first choice from these two in this category.
Gemini 3.5 FlashModernLoop alternatives: Ashby, GoodTime, candidate.fyi
Perplexity SonarGoodTime alternatives: Ashby, Cal.com, Lever, ModernLoop
Mistral SmallGoodTime alternatives: Calendly, ModernLoop, Paradox
DeepSeek V4 FlashModernLoop alternatives: Calendly
Llama 4 MaverickModernLoop alternatives: Calendly, GoodTime
Kimi K2ModernLoop alternatives: GoodTime
GLM 4.7 FlashXModernLoop alternatives: GoodTime, Grayscale
MiniMax M2.5ModernLoop alternatives: Cal.com, GoodTime, VidCruiter
GPT-6 LunaModernLoop alternatives: Ashby's native scheduling, GoodTime

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
Level: the same share of first choices.
Greenhouse0%#13 of 16
Prelude0%#– of 16
The full small business standing →
Mid-marketThe figures above
Greenhouse leads by two points.
Greenhouse4%#7 of 15
Prelude2%#8 of 15
The full mid-market standing →
Enterprise
Greenhouse leads by seven points.
Greenhouse9%#4 of 13
Prelude2%#– of 13
The full enterprise standing →

What the models said about Greenhouse

No label in this category carried a quote.

What the models said about Prelude

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

“Legacy Tools (e.g., Prelude): ... Calendly has wound down this dedicated TA scheduling product.” Gemini 3.5 Flash · direct prompt · hard negative
“Prelude is being wound down by Calendly and should likely be avoided for new implementations” DeepSeek V4 Flash · comparative prompt · hard negative
“it's being wound down and shouldn't be on your shortlist” Kimi K2 · paraphrase prompt · hard negative
“The top tools for mid-market recruiting teams are typically ModernLoop, Prelude, or Grayscale” Muse Glimmer 30B · scale prompt · first choice
“look at recruiting-native schedulers like ModernLoop, Prelude, Grayscale, or candidate.fyi” GLM 4.7 FlashX · paraphrase prompt · alternative
“Prelude (Interview Schedule) (Runner-Up for Candidate Experience and Simplicity)” Grok 4.20 · direct prompt · alternative
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.