# Chatbots and conversational AI for support: what AI models recommend, September 2026

GTM AI Recommendation Index, September 2026 Edition. Asked as "customer support chatbot platform" and as "conversational AI tool for customer service", six framings each, to twelve models with search on, on behalf of a mid-market B2B company. Page: https://gtm-ai-index.com/customer/chatbots-and-conversational-ai-for-support/

**Standing:** Intercom leads with 35% of first choices; verdict contested. 43 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Intercom | 35% | 16% | 44 |
| 2 | Tidio | 21% | 4% | 27 |
| 3 | Freshdesk | 2% | 8% | 25 |
| 4 | Zendesk | 2% | 22% | 23 |
| 5 | Ada | 0% | 15% | 20 |
| 6 | Gorgias | 0% | 7% | 15 |
| 7 | Botpress | 0% | 8% | 13 |
| 8 | HubSpot Service Hub | 0% | 0% | 12 |
| 9 | Zendesk AI | 0% | 20% | 15 |
| 10 | Freshchat | 0% | 10% | 10 |

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

- Claude Haiku 4.5: Plain; alternatives Freshdesk, TeamSupport
- GPT-5.4 mini: Intercom; alternatives Freshdesk, Freshworks Freddy AI Agent, Zendesk
- Gemini 3.5 Flash: Pylon; alternatives Ada, Intercom, TeamSupport
- Perplexity Sonar: Intercom; alternatives TeamSupport, Zendesk
- Grok 4.1 Fast: Intercom; alternatives Ada, Tidio, Zendesk AI
- Mistral Small: Intercom; alternatives Freshdesk, Fulcrum by Simple Machines, HubSpot Service Hub, Zendesk
- DeepSeek V4 Flash: Freshdesk (Freshworks) — Freddy AI; alternatives Intercom, Zendesk AI
- Llama 4 Maverick: TeamSupport; alternatives Ada, Intercom, Tidio
- Qwen 3.7 Flash: TeamSupport; alternatives Intercom, Plain, Zendesk
- Kimi K2: Freshdesk; alternatives HubSpot Service Hub, Intercom, Plain
- GLM 4.7 FlashX: Intercom; alternatives Aissist.io, Decagon, Zendesk AI
- MiniMax M2.5: Decagon, YourGPT; alternatives Intercom, TeamSupport, Zendesk

## Sources the answers cite

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

- zendesk.com: 7 answers, 7 citations
- capterra.com: 6 answers, 8 citations
- lindy.ai: 5 answers, 6 citations
- thecxlead.com: 5 answers, 6 citations
- eesel.ai: 5 answers, 5 citations
- fin.ai: 5 answers, 5 citations
- freshworks.com: 5 answers, 5 citations
- featurebase.app: 4 answers, 5 citations

Pages named in the most answers:

- https://capterra.com/resources/customer-service-chatbot-platforms (5 answers)
- https://fin.ai/learn/best-ai-chatbots-customer-support (5 answers)
- https://thecxlead.com/tools/best-ai-chatbot-for-customer-service (5 answers)
- https://zendesk.com/service/ai/chatbots-customer-service (5 answers)
- https://freshworks.com/customer-service/support/ai (4 answers)
- https://lindy.ai/blog/best-customer-service-chatbots (4 answers)
- https://assembled.com/blog/ai-chat-agents-customer-support (3 answers)
- https://botpress.com/blog/customer-service-chatbot-platforms (3 answers)
- https://eesel.ai/blog/best-ai-customer-support-chatbot (3 answers)
- https://proprofschat.com/blog/best-customer-service-chatbots (3 answers)

## Warned against

- Intercom: 7 of 44 labels negative. "Avoid Intercom if you're a small business, need predictable costs, or can't tolerate usage-based billing surprises." (DeepSeek V4 Flash, negative prompt)
- Zendesk: 5 of 23 labels negative. "What to Avoid on a Tight Budget: Zendesk - Starts at $55/agent/month, AI costs extra" (Kimi K2, budget prompt)
- Zendesk AI: 3 of 15 labels negative. "Zendesk is significantly more expensive ($55-169/agent/month + AI add-ons) and complex to configure" (Kimi K2, paraphrase prompt)
- Ada: 3 of 20 labels negative. "Platforms with Serious Red Flags (Avoid or Extreme Caution)... Ada... Described as a "complete scam company" by multiple users" (Kimi K2, negative 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.