AI Calling Providers Compared
Managed or DIY, who builds the agent, and what each option includes for a capital raise.
The six AI calling platforms that rank for outbound calling are Retell AI, Bland AI, Vapi, Synthflow, ElevenLabs Agents and CloudTalk. All six are general-purpose platforms, and most are do-it-yourself: you write the agent, connect the phone lines and bring the leads. AI Investor Calls is a managed service built only for investment offerings. We build the agent from your offering materials, supply investor leads through JAD Enterprises and sort every result into investor categories.
Research as of October 10, 2026, from each provider’s own website. Plans change, so check each provider’s site for current details.
Up front: we run on Retell AI
AI Investor Calls runs on Retell AI’s voice engine. Retell is the platform underneath, so it is not a like-for-like rival. Think of it as the engine, and AI Investor Calls as the finished, managed service built on it for capital raisers. If your team wants to build and run its own agent, Retell is a strong place to start. If you want it built, run and tied to investor leads for you, that is what we do.
Side by Side
What each option includes for an outbound investor campaign. Scroll sideways on a phone.
| Provider | Type | Who builds the agent | Built for investors | Leads included | Result sorting | Billing unit | Entry band |
|---|---|---|---|---|---|---|---|
| AI Investor Calls | Managed service | We do, on every plan | Yes, investment offerings only | Yes, through JAD Enterprises | Yes, investor categories out of the box | Per call attempt or per conversation (30+ seconds) | $$$ |
| Retell AI | Self-serve platform | You do (implementation help on Enterprise) | No, general purpose | No, bring your own | Post-call analysis you set up | Per minute | $ |
| Bland AI | Self-serve tiers + Enterprise | You do; their engineers on Enterprise | No, general purpose | No, bring your own | Post-call analysis you set up | Per minute | $ to $$ (Enterprise $$$$) |
| Vapi | Developer platform | You do; a dedicated engineer on higher tiers | No, general purpose | No, bring your own | Post-call analysis you set up | Per minute, plus model and carrier costs | $ (Pro and up $$$) |
| Synthflow | No-code platform, enterprise contracts | Implementation support on enterprise contracts | No, general purpose | No, bring your own | Post-call analysis you set up | Annual contract, scoped by volume | $$$$ (soft) |
| ElevenLabs Agents | Self-serve platform | You do | No, general purpose | No, bring your own | Post-call analysis you set up | Monthly plan with included minutes | $ |
| CloudTalk | Phone system + AI agent add-on | Your team, with no-code setup | No, general purpose | No, bring your own | Routes sales-ready leads to your reps | Per-user plan + AI plan with included minutes | $$ |
Sources: each provider’s own pricing and product pages, as of October 10, 2026. Bands are explained below. No rival prices are shown.
What the $ Bands Mean
Each band is the cost to get a first outbound campaign running for one month, before per-call or per-minute usage. It leaves out the engineering time a DIY platform needs, which is often the bigger cost. Usage is not banded: we bill per call or per conversation, the others bill per minute or by plan, and the two cannot be lined up without knowing your call lengths.
$
Free to start, then pay as you go per minute. You build everything.
Retell AI, Vapi, ElevenLabs Agents, Bland AI (Start)
$$
A monthly plan in the hundreds of dollars. You still build the agent.
Bland AI (Build), CloudTalk
$$$
A setup fee plus a monthly fee in the low thousands. Built and run for you.
AI Investor Calls. Vapi’s Pro support tiers also sit here, but you still build.
$$$$
An annual enterprise contract with a custom quote. Vendor engineers help build.
Synthflow (soft, see note), and the enterprise tiers of Bland AI, Vapi and Retell AI
Our own prices, from our pricing page: a $2,500 one-time agent build per offering, a $500 monthly platform fee, and call credits at $0.13–$0.15 per call or $3.20–$3.50 per contact. First-time bonus: 2,500 free call credits. See a worked example on what AI calling costs.
Managed or DIY: Which Fits You
A DIY platform fits if…
- •You have people who can write prompts, connect phone lines and tune an agent.
- •You want full control over every setting, model and voice.
- •You call for many uses beyond investors, such as support or scheduling.
- •You want the lowest cost to start and will pay as you go by the minute.
- •You need very large volume. Bland AI and Vapi both describe very high call counts.
A managed service fits if…
- •You are raising capital and want the agent built from your offering materials.
- •You want to approve the agent, not build it.
- •You need investor leads as well as the calls.
- •You want results already sorted by investor interest, with recordings and summaries.
- •Up to 50 calls at once, or 10,000+ a day, is enough for your list.
More on this trade-off: Managed AI calling vs DIY
What AI Investor Calls Includes
A managed service for companies raising capital or selling investment offerings by phone. Experience behind it: 8,600,000+ AI calls (as of July 2026), 490+ agent versions built and 47+ offerings pitched (both as of October 2026). See how we count these numbers.
What we build
- +A custom agent for each offering, built from your PPM, pitch deck, website and FAQs.
- +The phone pitch, call flow, deal-specific objection handling and a live knowledge base.
- +Caller name, location, tone and approved follow-up email templates.
- +Automated testing before launch. You approve every piece before a call is made.
- +Agent ready for your review within 3–5 business days of getting your materials.
What you get in the portal
- +Results sorted into Good Leads, Good For Later, Not Interested, Bad Leads and Non Accredited.
- +Recordings, transcripts and an AI summary for every call.
- +You choose when calls go out and how many, or schedule them by day.
- +Lead upload from CSV or Excel, phone checks before calling, and a Test My Agent call to your own phone.
- +Investor leads you can buy inside the portal, plus exports and a live Google Sheet.
Where we are not the fit
We only build agents for investment offerings. We run up to 50 calls at once, so a team that needs far more is better served by a platform built for that scale. AI Investor Calls does not claim SOC 2 or HIPAA. Our site lists what we do: DNC requests honored right away, every call recorded with a transcript and summary, client data kept separate, and card payments through Stripe with no card data stored on our servers. See calling practices and security.
The Six Platforms, One by One
Each profile is drawn from the provider’s own website as of October 10, 2026. Security and compliance items are each company’s own claims, reported as they state them.
Retell AI
$
- What it is
- A self-serve voice agent platform. Optional implementation help is an add-on on its Enterprise plan.
- Who it is for
- Startups to large companies. Sales and operations teams that want to build their own agent. Retell says teams can go live the same afternoon without engineers.
- Known for
- Low-delay voice agents, batch calling from an uploaded list, branded caller ID, warm transfer to a person with context, voicemail detection and post-call analysis.
- Connects to
- Twilio, Telnyx, Vonage, Make, n8n, HubSpot and Go High Level.
- Security and compliance they claim
- SOC 2, HIPAA with a BAA, custom MSA and DPA, and an opt-out of recording and transcription.
- How they charge
- Per minute, with no platform fee and no contract. Extra concurrent lines and some outbound add-ons are billed separately.
Bland AI
$ to $$ (Enterprise $$$$)
- What it is
- A platform with self-serve tiers, plus an Enterprise tier where Bland’s own engineers build the first agent with you.
- Who it is for
- Developers and teams on the self-serve tiers. Large and regulated companies, such as healthcare, insurance and financial services, on Enterprise.
- Known for
- Very high call volume and a bundled per-minute price. On Enterprise, Bland says its engineers build the first agent end to end, typically in two to six weeks.
- Connects to
- Integrations on all tiers, and its API for your existing tools.
- Security and compliance they claim
- SOC 2 Type I and Type II, HIPAA with a BAA, GDPR and PCI DSS. Self-hosted options, SSO and data residency on Enterprise.
- How they charge
- A free tier and a paid monthly tier, each with per-minute talk and transfer rates and caps on calls. Enterprise is a custom quote.
Vapi
$ (Pro and up $$$)
- What it is
- A developer platform for voice agents. Higher tiers add a dedicated engineer who works with your team.
- Who it is for
- Developers and engineering teams. Vapi describes itself as voice agents for builders, with more than a million developers.
- Known for
- Bring your own AI model, voice and phone carrier. Multi-agent handoffs, a large developer community and ready-made templates.
- Connects to
- OpenAI, Anthropic, Google Gemini, Groq, ElevenLabs, Deepgram, AssemblyAI, Salesforce, HubSpot, Zendesk, Google Calendar, AWS, GCP, Genesys, Avaya and Five9.
- Security and compliance they claim
- SOC 2, HIPAA as a paid add-on, PCI, and zero data retention, role-based access and SSO on its top tier.
- How they charge
- A platform fee per minute, with model and carrier costs passed through at cost. Optional monthly support tiers. The top tier is sales-led.
Synthflow
$$$$ (soft)
- What it is
- A no-code voice agent platform. Its pricing page now shows enterprise contracts with implementation support.
- Who it is for
- Enterprise contact centers, outsourced call centers, healthcare, financial services and real estate. Agencies can resell it under their own brand.
- Known for
- A drag-and-drop flow builder, many CRM templates and an agency reseller option. Enterprise contracts include onboarding, testing, training and launch support.
- Connects to
- More than 200 integrations, including HubSpot, Salesforce, Zapier, Cal.com and GoHighLevel.
- Security and compliance they claim
- SOC 2, HIPAA, PCI DSS, GDPR and ISO 27001, with EU and US hosting.
- How they charge
- An annual enterprise contract, scoped by volume, concurrency, phone lines and integrations.
Band is soft: Synthflow’s pricing page shows enterprise contracts, while its homepage invites you to start building for free. The right band depends on which path you take.
ElevenLabs Agents
$
- What it is
- A self-serve agent platform from ElevenLabs, with enterprise terms available.
- Who it is for
- Builders who want ElevenLabs voices, from a free tier up to business and enterprise plans.
- Known for
- Voice quality, since ElevenLabs is a voice company first. Batch calls from a CSV or Excel list, sent now or scheduled by date, time and time zone.
- Connects to
- Twilio and SIP trunking.
- Security and compliance they claim
- A HIPAA BAA, DPA and SLA on Enterprise.
- How they charge
- Monthly plans with included minutes and concurrency limits, then a per-minute rate. The AI model and an outside phone carrier are billed separately.
CloudTalk
$$
- What it is
- A business phone system with add-on AI voice agents that your team sets up without code.
- Who it is for
- Small and midsize sales and support teams that also want a cloud phone system.
- Known for
- Phone system and AI agent in one place. The AI agent handles lead qualification and follow-up, updates your CRM and routes sales-ready leads to your reps. A power dialer is built in.
- Connects to
- More than 95 CRM, helpdesk and hiring tools, including HubSpot, Pipedrive, Salesforce and Zoho CRM.
- Security and compliance they claim
- SOC 2, GDPR, HIPAA, ISO 27001 and CCPA, plus anti-spam protections.
- How they charge
- Per-user monthly phone plans plus an AI agent plan with included minutes. Volume rates by quote. Priced in euros.
Names are trademarks of their owners. AI Investor Calls is not affiliated with these companies, other than running on Retell AI’s voice engine.
AI Calling Provider Questions
Which AI calling provider is built for capital raisers?
Of the providers we compared as of October 10, 2026, AI Investor Calls is the only one built just for investment offerings. Retell AI, Bland AI, Vapi, Synthflow, ElevenLabs Agents and CloudTalk are general-purpose platforms that serve many industries.
What is the difference between a managed AI calling service and a DIY platform?
On a DIY platform, your team writes the agent, connects the phone lines, brings the leads and sets up how results are sorted. A managed service builds, tests and runs the agent for you. AI Investor Calls is managed: we build the agent from your offering materials and you approve it before any calls go out.
Does AI Investor Calls use Retell AI?
Yes. AI Investor Calls runs on Retell AI’s voice engine. Retell is the platform underneath. On top of it we build the agent for each offering, supply investor leads through JAD Enterprises, sort the results into investor categories and run the client portal.
Which AI calling platform is cheapest to start?
Retell AI, Vapi, ElevenLabs Agents and the Bland AI Start tier are free to start and charge as you go, per minute. On those, you build everything yourself, and the engineering time is often the bigger cost. AI Investor Calls charges a $2,500 one-time agent build per offering, $500 a month, and $0.13–$0.15 per call or $3.20–$3.50 per contact.
Why does AI Investor Calls bill per call instead of per minute?
AI Investor Calls bills per call attempt or per real conversation of 30+ seconds. The other providers we compared bill by the minute or by plan. Because the units differ, per-call and per-minute costs cannot be lined up without knowing your call lengths.
Which providers claim SOC 2 or HIPAA?
Retell AI, Bland AI, Vapi, Synthflow and CloudTalk list SOC 2 and HIPAA on their own sites, and ElevenLabs lists a HIPAA BAA on Enterprise. These are each company’s own claims. AI Investor Calls does not claim SOC 2 or HIPAA. We don’t give legal advice. Your company decides how its outreach meets the rules, with your own counsel.
See also: Human callers vs AI callers · 60-day case study · What AI calling costs · Try a live demo call
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