Tool Category
Best AI Customer Support Tools
13 tools compared on real pricing, genuine strengths, and the limitations that only show up after you buy.
The short answer
We track 13 Customer Support tools, 2 of which have a free or freemium tier you can evaluate without a sales call. Our picks are Fin (formerly Intercom), Gorgias and Plain. Each entry below lists real pricing, what it is genuinely good at, and the limitations that only show up after you buy.
Pricing at a glance
| Tool | Pricing model | What it costs |
|---|---|---|
| Fin (formerly Intercom) | paid | Essential $29 per seat/month, Advanced $85, Expert $132, all on annual billing ($39, $99 and $139 monthly). Fin AI Agent is $0.99 per outcome on every plan, and standalone Fin starts from $0.99 per outcome with a minimum monthly commitment. 14-day free trial. As read on the vendor's pricing page in early October 2026. |
| Gorgias | paid | Starter $10/month for 50 tickets, Basic $60/month for 300, Pro $360/month for 2,000, Advanced $900/month for 5,000, Enterprise custom; annual billing is lower (Basic $50, Pro $300, Advanced $750). AI Agent is billed per automated interaction, $0.90 on annual or $1.00 on monthly billing, and each interaction also counts as a ticket. As read on the vendor's pricing page in early October 2026. |
| Plain | paid | No free plan — a 7-day trial with no card required. Foundation $45 per user/month billed annually ($55 monthly), Horizon $99 per user/month billed annually, Frontier custom. As read on the vendor's pricing page in early October 2026. |
| Sierra | enterprise-quoted | Outcome-based: you pay per resolved issue rather than per conversation or per seat. Rates are negotiated per contract and not published. |
| Cresta | enterprise-quoted | Not published — enterprise contracts quoted after a demo, typically scoped by agent seats and conversation volume. Ask how autonomous AI Agent conversations are priced relative to human seats, since that ratio decides the economics as deflection rises. |
| Decagon | enterprise-quoted | Not published — enterprise contracts negotiated after a demo. Decagon's own pricing post says customers can choose per-conversation or per-resolution billing, so compare its per-resolution option directly against Sierra. As read on the vendor's site in early October 2026. |
| Document360 | enterprise-quoted | Not published — each plan is quoted around workspaces, languages, team accounts and AI usage, with a 14-day free trial and no free tier. As read on the vendor's pricing page in early October 2026. |
| Freshdesk | paid | No free plan. Growth $19 per agent/month, Pro $55, Enterprise $89, all billed annually (annual billing saves 20%). Each paid plan includes 500 Freddy AI Agent sessions, with extra sessions at $49 per 100. 14-day free trial. As read on the vendor's pricing page in early October 2026. |
| Help Scout | freemium | Free $0 for up to 5 users, 1 Inbox, and 1 Docs site; Standard $25 per user/mo; Plus $45 per user/mo; Pro $75 per user/mo. Standard is capped at 25 users; Pro has a 10-user minimum; Free is capped at 100 contacts/month. AI Answers add-on $0.75 per resolution with a 3-month free trial. As read on the vendor's pricing page in early October 2026. |
| Pylon | enterprise-quoted | Not published — the pricing page now redirects to a demo-booking form, so there is no self-serve price to quote. As read on the vendor's site in early October 2026. |
| Tidio | freemium | Free $0/mo; Starter $24.17/mo with 100 billable conversations; Growth starts at $49.17/mo from 250 billable conversations; Plus starts at $300/mo plus monthly usage; Premium is contact for pricing. Lyro AI Agent add-on starts at $32.50/mo from 50 Lyro conversations; Flows add-on starts at $24.17/mo from 2,000 visitors reached. Figures shown with the annual option (two months free). As read on the vendor's pricing page in early October 2026. |
| Voiceflow | enterprise-quoted | Not published. Agencies and partners get usage-based billing with a free trial; businesses are asked to request pricing. No plan names or prices appear on the page. As read on the vendor's pricing page in early October 2026. |
| Zendesk | paid | Support Team $19, Suite Team $55 and Suite Professional $115 per agent/month paid yearly ($25, $69 and $149 monthly); Suite Enterprise with Copilot is via sales. Each plan includes a small allowance of automated resolutions (5 or 10 per agent per month); extra resolutions are $1.50 committed or $2.00 pay-as-you-go. Copilot is a $50 per agent/month add-on. 14-day trial. As read on the vendor's pricing page in early October 2026. |
All 13 Customer Support tools
Fin (formerly Intercom)
Customer SupportAI-first customer messaging platform for support, onboarding, and engagement.
Good for: SaaS, Ecommerce, Agencies...
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Gorgias
Customer SupportEcommerce helpdesk with AI agent — resolves up to 60% of common store questions using order data automatically.
Good for: Shopify Stores, Ecommerce, DTC Brands
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Plain
Customer SupportB2B-first AI helpdesk. BYO-model (Claude, GPT-4, whatever), open APIs, native Linear and Slack sync. Built for SaaS support teams.
Good for: B2B SaaS companies, Developer-tools companies, Technical SMBs...
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Sierra
Customer SupportEnterprise conversational AI agents sold on outcome-based pricing — you pay for resolved issues, not for conversations attempted.
Good for: Enterprise customer experience organizations, Financial services and healthcare with regulated support flows, Retail, travel, and telecom with high contact volume...
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Cresta
Customer SupportContact center AI that runs human and AI agents on one platform — autonomous agents, real-time assist, QA, and conversation intelligence.
Good for: Enterprise contact centers with hundreds of human agents, CX organisations running quality management at scale, Travel, financial services, telecom, and insurance support operations...
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Decagon
Customer SupportEnterprise AI support agents across voice, chat, and email, defined in natural-language Agent Operating Procedures rather than flow charts.
Good for: Enterprise support organizations with high ticket volume, Consumer fintech, travel, and marketplace businesses, Support ops teams that want to own agent behavior without engineering...
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Document360
Customer SupportAI knowledge base with semantic search and writing assistant — for both internal SOPs and customer-facing help.
Good for: Any SMB, Ecommerce, Agencies...
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Freshdesk
Customer SupportAffordable helpdesk software with built-in AI for ticket routing and response suggestions.
Good for: Ecommerce, SaaS, Any SMB with support volume
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Help Scout
Customer SupportAn email-first shared inbox and Docs knowledge base for small support teams, with AI Answers billed per resolution instead of bundled into a seat.
Good for: Small SaaS and ecommerce support teams working mostly from email, Service businesses that need a shared inbox and a help center, not a contact center, Teams that want AI priced per resolution rather than per seat...
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Pylon
Customer SupportSlack-native B2B customer support. Triages shared channels, drafts AI replies, and syncs to Linear, HubSpot, and your CRM.
Good for: B2B SaaS, Developer-tools companies, Vertical SaaS...
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Tidio
Customer SupportWebsite live chat and a help desk for small online stores, with the Lyro AI agent that trains from your site and can be bolted onto a desk you already run.
Good for: Small ecommerce stores on Shopify, WooCommerce, or Wix, Service businesses that want website chat answered after hours, Support teams keeping Zendesk or Salesforce but adding an AI agent on top...
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Voiceflow
Customer SupportVisual AI agent builder — design, prototype, and ship conversational AI agents for voice or chat.
Good for: Agencies, SaaS, Enterprise Teams...
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Zendesk
Customer SupportEnterprise-grade support platform with powerful automation, AI, and omnichannel capabilities.
Good for: Growing SMBs, Ecommerce, SaaS...
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Frequently asked
- What are the best ai customer support tools?
- We track 13 Customer Support tools, 2 of which have a free or freemium tier you can evaluate without a sales call. Our picks are Fin (formerly Intercom), Gorgias and Plain. Each entry below lists real pricing, what it is genuinely good at, and the limitations that only show up after you buy.
- Are there free Customer Support tools?
- Yes — 2 of the 13 tools we track in this category offer a free or freemium tier: Help Scout, Tidio. Free tiers vary widely in usefulness, so check the individual entry for what the tier actually includes.
- How much do Customer Support tools cost?
- Pricing varies by model — per seat, per action, per credit, and per outcome are all common in this category. As one reference point, Fin (formerly Intercom): Essential $29 per seat/month, Advanced $85, Expert $132, all on annual billing ($39, $99 and $139 monthly). Fin AI Agent is $0.99 per outcome on every plan, and standalone Fin starts from $0.99 per outcome with a minimum monthly commitment. 14-day free trial. As read on the vendor's pricing page in early October 2026.
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