# Email verification: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "email verification service" and as "email list validation tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/gtm/gtm-data/email-verification

**Standing:** ZeroBounce leads with 47% of first choices; verdict clear leader. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [ZeroBounce](https://www.gane.ai/index/gtm/vendors/zerobounce/index.md) | 47% | 8% | 63 |
| 2 | [DeBounce](https://www.gane.ai/index/gtm/vendors/debounce/index.md) | 13% | 6% | 17 |
| 3 | [Bouncer](https://www.gane.ai/index/gtm/vendors/bouncer/index.md) | 9% | 2% | 45 |
| 4 | [EmailListVerify](https://www.gane.ai/index/gtm/vendors/emaillistverify/index.md) | 7% | 19% | 16 |
| 5 | [MyEmailVerifier](https://www.gane.ai/index/gtm/vendors/myemailverifier/index.md) | 7% | 27% | 11 |
| 6 | [Emailable](https://www.gane.ai/index/gtm/vendors/emailable/index.md) | 4% | 8% | 25 |
| 7 | [NeverBounce](https://www.gane.ai/index/gtm/vendors/neverbounce/index.md) | 2% | 20% | 46 |
| 8 | [Clearout](https://www.gane.ai/index/gtm/vendors/clearout/index.md) | 2% | 0% | 18 |
| 13 | [Kickbox](https://www.gane.ai/index/gtm/vendors/kickbox/index.md) | 0% | 5% | 43 |
| 14 | [Hunter Email Verifier](https://www.gane.ai/index/gtm/vendors/hunter-email-verifier/index.md) | 0% | 5% | 22 |
| 15 | [MillionVerifier](https://www.gane.ai/index/gtm/vendors/millionverifier/index.md) | 0% | 30% | 23 |

Rank is by share of first choices among all 56 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: ZeroBounce; alternatives Apollo.io, Clearout, Kickbox
- Gemini 3.5 Flash: ZeroBounce; alternatives Bouncer, Kickbox, NeverBounce
- Perplexity Sonar: ZeroBounce; alternatives Bouncer, Kickbox, Prospeo
- Grok 4.20: ZeroBounce; alternatives Bouncer, Emailable, Hunter Email Verifier, NeverBounce
- Mistral Small: ZeroBounce; alternatives Bouncer, MillionVerifier
- DeepSeek V4 Flash: ZeroBounce; alternatives Bouncer, Kickbox, NeverBounce
- Llama 4 Maverick: ZeroBounce; alternatives Hunter Email Verifier, Mailercloud Email Verifier
- Qwen 3.7 Flash: ZeroBounce; alternatives Bouncer, Kickbox, NeverBounce
- Kimi K2: ZeroBounce; alternatives Bouncer, Emailable, Kickbox
- GLM 4.7 FlashX: ZeroBounce; alternatives Bouncer, Kickbox
- MiniMax M2.5: ZeroBounce; alternatives Clearout, Kickbox
- GPT-6 Luna: ZeroBounce; alternatives Kickbox, NeverBounce
- Muse Glimmer 30B: ZeroBounce; alternatives Bouncer, Kickbox, NeverBounce

## Sources the answers cite

72 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- kickbox.com: 39 answers, 58 citations
- zerobounce.net: 31 answers, 57 citations
- softwareadvice.com: 26 answers, 29 citations
- usebouncer.com: 25 answers, 33 citations
- prospeo.io: 18 answers, 25 citations
- mailercloud.com: 18 answers, 18 citations
- reddit.com: 16 answers, 28 citations
- capterra.com: 15 answers, 27 citations

Pages named in the most answers:

- https://kickbox.com/resource-center/top-12-bulk-email-verification-validation-services (27 answers)
- https://softwareadvice.com/email-verification (25 answers)
- https://mailercloud.com/blog/best-email-verification-services (18 answers)
- https://zerobounce.net/email-verification-tool-reviews (18 answers)
- https://softwaresuggest.com/email-verification-tools (12 answers)
- https://gane.ai/index/gtm/gtm-data/email-verification (11 answers)
- https://hunter.io/email-verification-guide/best-email-verifiers (10 answers)
- https://kickbox.com/comparisons (10 answers)
- https://accuwebhosting.com/blog/top-10-bulk-email-list-verification-validation-services-compared (9 answers)
- https://kickbox.com/resource-center/12-best-email-verification-tools-in-2026 (9 answers)

## Warned against

- MillionVerifier: 7 of 23 labels negative. "14% higher bounce rates than industry averages" and "slower API response times, especially during peak usage" (Muse Glimmer 30B, negative prompt)
- NeverBounce: 9 of 46 labels negative. "https://www.neverbounce.com/ Again the same." (Muse Glimmer 30B, negative prompt)
- ZeroBounce: 5 of 63 labels negative. "Competing platforms, including ZeroBounce, NeverBounce, Kickbox, and Bouncer, charge $0.008 per verification or higher." (Claude Haiku 4.5, budget prompt)
- MyEmailVerifier: 3 of 11 labels negative. "Multiple Trustpilot complaints label it as unreliable or "fake"—it often misclassifies valid emails as invalid" (Grok 4.20, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: ZeroBounce at 47%.

- Bouncer: 22% to 9%, −13. Cleared the floor by 2 points · rank 2 → 3 of 56.
- DeBounce: 4% to 13%, +9. Inside the floor by 2 points · rank 6 → 2 of 56.
- MillionVerifier: 9% to 0%, −9. Inside the floor by 2 points · rank 3 → 15 of 56.
- MyEmailVerifier: 0% to 7%, +7. Inside the floor by 4 points · rank 57 → 5 of 56.
- ZeroBounce: 42% to 47%, +5. Inside the floor by 6 points · rank 1 of 56, unchanged.
- Emailable: 0% to 4%, +4. Inside the floor by 7 points · rank 15 → 6 of 56.
- Hunter Email Verifier: 4% to 0%, −4. Inside the floor by 7 points · rank 5 → 14 of 56.
- EmailListVerify: 4% to 7%, +3. Inside the floor by 8 points · rank 7 → 4 of 56.
- NeverBounce: 4% to 2%, −2. Inside the floor by 9 points · rank 4 → 7 of 56.
- Clearout: 0% to 2%, +2. Inside the floor by 9 points · rank 16 → 8 of 56.
- Kickbox: 0% to 0%, ±0. Inside the floor by 11 points · rank 14 → 13 of 56.

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.