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Email verification · October 2026 Edition

Bouncer vs NeverBounce

Two of fourteen models named Bouncer first on the direct prompt; one named NeverBounce. Bouncer was named by thirteen of the fourteen models and NeverBounce by fourteen and Bouncer carries 52 labels and NeverBounce 49, so the shares are not directly comparable.

Bouncer

accepted challenger

Named in two categories this edition.

NeverBounce

accepted challenger

Vancouver, founded 2014. Named in four categories this edition.

First-choice share22%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#4A position in a field of 10; printed, not drawn.
Labels5249A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Bouncer reading right to left. Rank and label count are printed, not drawn.ZeroBounce was named alongside these two in fourteen of the fourteen direct answers. ZeroBounce vs Bouncer · ZeroBounce vs NeverBounce · Bouncer vs MillionVerifier

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 email verification page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
BouncerFirst choices, of fourteen modelsNeverBounce
Direct21
Paraphrase31
Comparative42
Budget-constrained401 against NeverBounce
Scale-constrained30
Negative413 against NeverBounce
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.

Across every category in the October 2026 Edition, Bouncer and NeverBounce were named in the same answer eighty-four times, of the 143 answers naming Bouncer and the 161 naming NeverBounce. In those answers NeverBounce took the first choice five times and Bouncer nineteen.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Bouncer and NeverBounce stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Bouncer NeverBounce first choice named as an alternative argued againstblank: not namedEach cell is one answer, Bouncer on the left and NeverBounce on the right.

The direct prompt

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

Bouncer first, NeverBounce not the choice

2 of 14 modelsNeverBounce was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashBouncer alternatives: Allegrow, Findymail, Scrubby, ZeroBounce
Perplexity SonarBouncer alternatives: Prospeo, ZeroBounce

NeverBounce first, Bouncer not the choice

1 of 14 modelsBouncer was named in the answer but not as the choice, or not at all.
Mistral SmallNeverBounce, ZeroBounce alternatives: Prospeo, Snov.io

Neither was the first choice, one was named

9 of 14 modelsThe answer put something else first and named one of the two as an alternative.
GPT-5.4 miniZeroBounce alternatives: Bouncer, Kickbox
Grok 4.20ZeroBounce alternatives: Clearout, Hunter Email Verifier, Kickbox, NeverBounce
DeepSeek V4 FlashZeroBounce alternatives: Bouncer, MillionVerifier, NeverBounce
Qwen 3.7 FlashZeroBounce alternatives: Clearout, NeverBounce
Kimi K2ZeroBounce alternatives: Emailable, Hunter Email Verifier, NeverBounce
GLM 4.7 FlashXZeroBounce alternatives: Bouncer, DeBounce, Emailable, NeverBounce
MiniMax M2.5ZeroBounce alternatives: Bouncer, Hunter Email Verifier, NeverBounce
GPT-6 LunaZeroBounce alternatives: Bouncer, BriteVerify
Muse Glimmer 30BZeroBounce alternatives: Hunter Email Verifier, NeverBounce, ZoomInfo

Neither was named

2 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Snov.io alternatives: Clearout, Kickbox, ZeroBounce
Llama 4 MaverickZeroBounce alternatives: Clearout, Emailable, Hunter Email Verifier

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
Bouncer leads by twenty-five points.
Bouncer27%#1 of 11
NeverBounce2%#8 of 11
The full small business standing →
Mid-marketThe figures above
Bouncer leads by eighteen points.
Bouncer22%#2 of 10
NeverBounce4%#4 of 10
The full mid-market standing →
Enterprise
The order flips: NeverBounce leads at enterprise.
NeverBounce9%#2 of 9
Bouncer0%#4 of 9
The full enterprise standing →

What the models said about Bouncer

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

“the best default choice is usually Bouncer if you want the strongest all-around mix of accuracy, speed, pricing, and usability” Perplexity Sonar · direct prompt · first choice
“Best Overall for Accuracy & Value: Bouncer ... widely considered the top all-around choice for mid-market B2B teams” Gemini 3.5 Flash · direct prompt · first choice
“Bouncer is the strongest overall pick because multiple reviews describe it as the most affordable option” Perplexity Sonar · budget prompt · first choice

What the models said about NeverBounce

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

“After being acquired by ZoomInfo, NeverBounce has faced significant backlash... Price Hikes... Expiring Credits” Gemini 3.5 Flash · negative prompt · hard negative
“Premium services like NeverBounce will often expire your purchased credits after a set timeframe” Gemini 3.5 Flash · budget prompt · soft negative
“The most consistently reliable tier (per multiple 2026 benchmarks) is NeverBounce, ZeroBounce, Hunter, and Bouncer” DeepSeek V4 Flash · negative prompt · first choice
“NeverBounce and ZeroBounce are the most recommended for their accuracy, ease of use, and feature sets.” Mistral Small · direct prompt · first choice
“If accuracy and advanced features are your priority: ZeroBounce or NeverBounce.” GLM 4.7 FlashX · comparative 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.