The table below preserves each vendor’s scope and qualifiers. An unlisted feature is unverified here; it is not a claim that the feature is unavailable.
Before you decide
Help Scout AI vs Retell AI: buying questions
How should I compare Help Scout AI and Retell AI pricing?
Help Scout AI: Helpdesk subscription per user plus monthly AI resolution charges. AI Answers is an additional usage cost, so the per-user rate alone does not represent the total AI support bill. Retell AI: Voice cost combines infrastructure, speech, model, telephony and optional per-minute features. Chat is charged per AI message. Phone numbers cost $2/month; 20 concurrent calls are included, with additional concurrency $8/month each. Use the selected configuration to estimate the monthly bill. Ask both vendors to quote the same expected workload, required channels, and implementation scope. Include required subscriptions and usage charges before comparing the total; the listed starting prices alone may cover different work.
Can Help Scout AI and Retell AI use my existing knowledge?
The recorded sources for Help Scout AI include Help Scout Docs; knowledge base; approved articles. For Retell AI, they include prompts; documents/knowledge bases; API tools; business systems. Ask each vendor to demonstrate ingestion or live access for the exact system you use, with permissions and refresh behavior. A source missing from this directory is not proof that a vendor cannot support it.
What should I test in a Help Scout AI vs Retell AI pilot?
Use the same sample of real support requests, approved knowledge, and escalation rules in both pilots. Which source types and sync schedules are supported? Can users inspect citations? How are unanswered questions reviewed? Record answer quality, completed tasks, human handoffs, and total cost in the buyer worksheet. Check these specific cautions before launch: Help Scout AI: AI Answers relies on Docs quality and is a separate metered cost on top of helpdesk plans. Retell AI: Telephony, model, speech and other provider costs may be separate; technical integration work is expected.
Help Scout Inbox, Docs, Beacon, Slack/Zapier via integrations
telephony providers, webhooks, REST APIs, CRM/helpdesk via APIs
Knowledge sources
Help Scout Docs, knowledge base, approved articles
prompts, documents/knowledge bases, API tools, business systems
Pricing model
Helpdesk subscription per user plus monthly AI resolution charges. AI Answers is an additional usage cost, so the per-user rate alone does not represent the total AI support bill.
Voice cost combines infrastructure, speech, model, telephony and optional per-minute features. Chat is charged per AI message. Phone numbers cost $2/month; 20 concurrent calls are included, with additional concurrency $8/month each. Use the selected configuration to estimate the monthly bill.
Pricing summary
Standard $30, Plus $54 or Pro $90 per user/month (USD, billed monthly), plus $0.75 per AI resolution. Pro requires at least 10 users; Standard supports up to 25 and Plus up to 50.
Pay as you go: advertised voice range $0.07–$0.31/minute and chat from $0.002/message (USD). No base subscription commitment; selected models, telephony and add-ons can increase the total. Enterprise is quoted.
Free plan or trial
15-day Standard/Plus trial. Free helpdesk plan allows 5 users and 100 contacts/month. New accounts receive 3 months of unlimited AI Answers; free accounts must upgrade to keep AI after the trial.
$10 in free credits to build and test; pay-as-you-go access has no commitment.
Differentiator
Simple helpdesk/Docs workflow and explicit per-resolution AI billing.
Transparent usage entry point and production-oriented voice tooling for developers.
Considerations
AI Answers relies on Docs quality and is a separate metered cost on top of helpdesk plans.
Telephony, model, speech and other provider costs may be separate; technical integration work is expected.
Consider Help Scout AI when…
Small support teams that want a simple shared inbox, Docs site and lightweight AI answers.
Simple helpdesk/Docs workflow and explicit per-resolution AI billing.
Consider Retell AI when…
Developers and startups building phone agents with APIs, webhooks and custom logic.
Transparent usage entry point and production-oriented voice tooling for developers.
Verify current pricing, limits, security, and required integrations directly with each vendor before purchasing.