# AI SDR agents for small business buyers: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "AI SDR agent" and as "AI sales development tool that prospects and books meetings", six framings each, to twelve models with search on, on behalf of a small B2B company. Page: https://gtm-ai-index.com/sales/ai-sdr-agents/smb/

**Standing:** Apollo.io leads with 24% of first choices; verdict contested. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Apollo.io | 24% | 6% | 32 |
| 2 | AiSDR | 22% | 8% | 40 |
| 3 | Agent Frank | 9% | 6% | 18 |
| 4 | Clay | 4% | 12% | 16 |
| 5 | Instantly | 2% | 5% | 21 |
| 6 | Reply.io | 0% | 8% | 12 |
| 7 | Artisan | 0% | 32% | 28 |
| 8 | 11x | 0% | 64% | 22 |

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

- Claude Haiku 4.5: Apollo.io; alternatives AiSDR, Amplemarket Duo, eesier
- GPT-5.4 mini: Clay; alternatives 11x
- Gemini 3.5 Flash: Agent Frank, AiSDR; alternatives Ava, Instantly
- Perplexity Sonar: AiSDR; alternatives Amplemarket Duo Copilot, Artisan Ava, Coldreach
- Grok 4.1 Fast: Salesforge Agent Frank; alternatives AiSDR
- Mistral Small: Agent Frank; alternatives AiSDR, Luna.ai, MeetChase AI SDR, Stamina.io
- DeepSeek V4 Flash: AiSDR; alternatives Apollo.io, Salesforge Agent Frank
- Llama 4 Maverick: Agent Frank, MeetChase, SalesRobot
- Qwen 3.7 Flash: Amplemarket; alternatives Instantly, SalesRobot
- Kimi K2: Regie.ai; alternatives Agentplace, AiSDR, Artisan, Gojiberry AI
- GLM 4.7 FlashX: AiSDR; alternatives Artisan, Breakout, Gojiberry AI, Regie.ai
- MiniMax M2.5: SalesTools.io; alternatives AutoRev AI, Persana AI

## Sources the answers cite

22 of 72 answers came back with a source list, from 4 of 12 models. Sites named in the most answers:

- salesforge.ai: 7 answers, 8 citations
- amplemarket.com: 7 answers, 7 citations
- artisan.co: 6 answers, 6 citations
- 11x.ai: 5 answers, 10 citations
- g2.com: 5 answers, 7 citations
- monday.com: 5 answers, 6 citations
- getvoip.com: 5 answers, 5 citations
- devcommx.com: 4 answers, 5 citations

Pages named in the most answers:

- https://amplemarket.com/blog/best-ai-sales-agents (7 answers)
- https://salesforge.ai/blog/ai-sales-agents (6 answers)
- https://getvoip.com/ai-sdr-agents (5 answers)
- https://fundraiseinsider.com/blog/ai-sdr-tools (4 answers)
- https://snov.io/blog/best-ai-sdr-tools (4 answers)
- https://11x.ai/guides/ai-sdr-agents-b2b-sales-teams (3 answers)
- https://artisan.co/blog/the-best-ai-sdrs (3 answers)
- https://devcommx.com/blogs/best-ai-sdr-agencies (3 answers)
- https://eesier.com/best-ai-sdr-small-business (3 answers)
- https://ventureharbour.com/best-ai-sales-tools (3 answers)

## Warned against

- 11x: 14 of 22 labels negative. "too expensive and complex for small teams, and some carry credibility risks... TechCrunch (Mar 2025) exposed inflated ARR and fake customer logos" (DeepSeek V4 Flash, comparative prompt)
- Artisan: 9 of 28 labels negative. "Artisan AI: Frequently criticized by users for sending thousands of emails with zero replies." (Qwen 3.7 Flash, negative prompt)
- AiSDR: 3 of 40 labels negative. "AiSDR: While popular, it faces backlash for being a "black box."" (Qwen 3.7 Flash, negative prompt)
- Artisan Ava: 2 of 3 labels negative. "Artisan's Ava, which starts from $1,500/month and is expensive for small teams" (Claude Haiku 4.5, budget prompt)

## Record

- Method: https://gtm-ai-index.com/methodology/
- Raw judge labels and full responses: https://gtm-ai-index.com/data/
- License: CC BY 4.0. Cite as GTM AI Recommendation Index, September 2026 Edition, gtm-ai-index.com.