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AI SDR agents · November 2026 Edition

AiSDR vs Apollo.io

Four of fourteen models named AiSDR first on the direct prompt; four named Apollo.io. AiSDR was named by fourteen of the fourteen models and Apollo.io by thirteen and AiSDR carries 44 labels and Apollo.io 30, so the shares are not directly comparable.

AiSDR

endorsed leader

By AiSDR Inc., San Francisco, United States, founded 2023. Named in two categories this edition.

Apollo.io

accepted challenger

San Francisco, United States, founded 2015. Named in twenty-two categories this edition.

First-choice share34%19%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#1#2A position in a field of 11; printed, not drawn.
Labels4430A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, AiSDR reading right to left. Rank and label count are printed, not drawn.Artisan Ava was named alongside these two in twelve of the fourteen direct answers. AiSDR vs Artisan Ava · AiSDR vs 11x · AiSDR vs Qualified Piper

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 AI SDR agents page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
AiSDRFirst choices, of fourteen modelsApollo.io
Direct44
Paraphrase43
Comparative60
Budget-constrained82
Scale-constrained00
Negative002 against AiSDR
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 AiSDR and Apollo.io 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
AiSDR Apollo.io first choice named as an alternative argued againstblank: not namedEach cell is one answer, AiSDR on the left and Apollo.io on the right.

The direct prompt

The plain question, one answer per model, grouped by where AiSDR and Apollo.io stood in it.

Both were the first choice

1 of 14 modelsThe answer named them together, and the judge labeled each a first choice.
Kimi K2AiSDR, Apollo.io alternatives: Artisan Ava

AiSDR first, Apollo.io an alternative

3 of 14 modelsApollo.io was named in the answer but not as the choice, or not at all.
Qwen 3.7 FlashAiSDR alternatives: Amplemarket Duo, Apollo.io, Artisan Ava
GLM 4.7 FlashXAiSDR alternatives: Amplemarket Duo, Artisan Ava
GPT-6 LunaAiSDR alternatives: HubSpot Prospecting Agent, Unify

Apollo.io first, AiSDR an alternative

3 of 14 modelsAiSDR was named in the answer but not as the choice, or not at all.
DeepSeek V4 FlashApollo.io, Artisan Ava alternatives: AiSDR
Llama 4 MaverickApollo.io alternatives: AiSDR, Amplemarket Duo, Artisan Ava
MiniMax M2.5Apollo.io, Artisan Ava alternatives: Amplemarket Duo

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5Artisan Ava alternatives: AiSDR, Apollo.io, RocketSDR
GPT-5.4 miniUnify alternatives: AiSDR, Alta, Qualified Piper, Warmly
Perplexity Sonar11x alternatives: Agent Frank, AiSDR, Artisan Ava, Regie.ai
Grok 4.2011x alternatives: AiSDR, Apollo.io, Artisan Ava, Breakout, Intercom
Mistral SmallAmplemarket Duo alternatives: Apollo.io, Artisan Ava
Muse Glimmer 30BArtisan Ava alternatives: 11x.ai — Alice, AiSDR, Amplemarket Duo

Neither was named

1 of 14 modelsThe answer made no first choice from these two in this category.
Gemini 3.5 FlashArtisan Ava alternatives: 11x, Qualified Piper, Regie.ai

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
AiSDR leads by eighteen points.
AiSDR38%#1 of 10
Apollo.io20%#2 of 10
The full small business standing →
Mid-marketThe figures above
AiSDR leads by fifteen points.
AiSDR34%#1 of 11
Apollo.io19%#2 of 11
The full mid-market standing →
Enterprise
AiSDR leads by four points.
AiSDR4%#7 of 10
Apollo.io0%#10 of 10
The full enterprise standing →

What the models said about AiSDR

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

“"Set and forget" risk: While some praise this, it can lead to lack of oversight and quality degradation” Kimi K2 · negative prompt · soft negative
“AiSDR — decent support but needs heavy human monitoring.” DeepSeek V4 Flash · negative prompt · soft negative
“the best AI SDR (Sales Development Representative) agent is typically AiSDR (starting at ~$250/month for the Solo plan)” Grok 4.20 · budget prompt · first choice
“For the lowest entry point, AiSDR is often recommended as the best starting choice for small teams or founders” Mistral Small · budget prompt · first choice
“If you want to try an AI SDR without risk, start with AiSDR ($1.50 per person contacted, no contract)” Muse Glimmer 30B · comparative prompt · first choice

What the models said about Apollo.io

No label in this category carried a quote.

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.