How to Switch from Stammer AI to Trillet

TL;DR

Let's be direct about the money first, because most migration guides get this backwards. Stammer AI's Agency plan is $197/month and includes 20+ voice agents with unlimited client resale, which is genuinely cheaper on base price than Trillet's $299/month Agency plan. If the lowest platform fee is your only decision criterion, Stammer wins that line item, and you should know it before reading another word.

Agencies still switch, and the reason is not base price but product fit. Stammer is a first-party agency application with mature chat-led white-label packaging, selectable model providers, and Twilio telephony; it is not a Vapi or Retell wrapper. Trillet operates its own voice-first application and orchestration layer, targets sub-1-second responses averaging around 400ms, and publishes included minutes plus $0.12/minute additional AI usage. This guide covers what changes, what must be rebuilt, and how to plan a risk-adjusted migration without pretending the switch always saves money.

What Stammer AI Does Well

An honest migration decision starts with what you would be giving up. Stammer is a mature white-label brand with real strengths, and pretending otherwise helps no one.

Cheaper base entry. At $197/month with 20+ voice agents and unlimited client resale, Stammer's Agency plan undercuts Trillet's $299 base by roughly $100/month. For a small agency counting every dollar of fixed cost, that is a real advantage.
Broad multi-model catalog. Stammer lets you pick the LLM behind each agent, with voice priced per model (roughly $0.11/minute for lighter models up to $0.17/minute for premium ones). Agencies that want to tune cost per client by swapping models value that flexibility.
Chat-first depth. Stammer was built as a chatbot platform first. If a large share of your offering is text-based website chat and CRM-embedded chat workflows, Stammer's chat tooling is more developed than a voice-native platform's, and it fits agencies whose clients live in chat and GoHighLevel-style workflows.

If chat is the core of your agency and voice is a minor add-on, Stammer may still be the better fit. The rest of this guide is for agencies where voice is the growth engine.

Why Agencies Move to a Voice-First Platform

Agencies migrating to a voice-first platform consistently cite the same reasons: they want native voice quality, predictable economics, and compliance they can sell into regulated verticals. Each one matters more as voice becomes the majority of agency revenue.

Native Voice Instead of Voice-as-a-Module

Stammer started as a chatbot platform, and voice was added on top of it, priced per third-party LLM. That is a reasonable architecture for a chat-led product, but it means voice roadmap items, latency work, and voice-specific features sit inside a chat platform's priorities.

Trillet is a first-party voice AI application platform, not a Vapi or Retell wrapper. It operates the application, orchestration, workflow, and multitenant layer while managing contracted model, speech, telephony, cloud, and other subprocessors. On the standard hosted route, the agency has one core relationship and support entry point with Trillet. That is an accountability boundary, not a claim that Trillet owns every infrastructure component.

What to do: If more than half your agency revenue comes from voice agents, evaluate whether voice is the platform's core product or a secondary module. For the full picture on this distinction, see voice AI wrapper vs native platform and the white-label voice AI guide.

Flat, Predictable Per-Minute Pricing

Stammer's voice cost changes with the model you select, from roughly $0.11 to $0.17 per minute. That flexibility is a feature, but it also means your cost of goods shifts every time you change a model, and forecasting margin across a client book takes more work.

Trillet charges $0.12 per additional AI minute on both Studio and Agency, with 1,000 AI minutes included on Studio and 3,000 on Agency. That rate bundles platform, STT, LLM, and TTS; telephony is separate. Once a call transfers to a human, the AI charge stops and the transferred portion is $0.05/minute.

Unlimited Sub-Accounts on Agency

Trillet's Agency plan includes unlimited client workspaces, so growing from 15 to 50 clients does not add per-agent platform fees. Stammer's $197 Agency plan already includes 20+ voice agents (and additional voice agents are only +$5/month each beyond that), so most agencies will not hit add-on fees soon, but the ceiling is different: Trillet's unlimited model means the platform fee never grows with your client count.

Compliance Included on Every Plan

Trillet holds SOC 2 Type II and ISO 27001 and acts as a compliance and infrastructure partner for eligible regulated deployments. PHI processing requires an executed BAA and covered Order Form; BAAs are available on Agency and Enterprise after the standard process, not Studio. GDPR-covered processing requires the applicable DPA and transfer mechanism, and agencies remain responsible for lawful outreach and configuration.

Before selling into a regulated vertical, verify each platform's current reports, contracts, subprocessors, plan eligibility, and workflow controls against the client's requirements. Certifications support due diligence but do not authorize a workflow on their own.

Multi-Channel, Not Just Voice

Trillet handles voice, SMS, web chat, and email natively. That covers the follow-up and confirmation surfaces most receptionist and lead-response workflows need, under one white-label roof, so you are not stitching a separate tool onto every client.

Honest Cost Comparison: Stammer AI vs Trillet at 15 Clients

An agency running 15 voice-heavy clients should model the real numbers, including the part where Stammer's base is cheaper. The table below uses the correct comparable plans: Stammer's $197 Agency plan (its 20+ included voice agents cover 15 clients with no per-agent add-ons) versus Trillet's $299 Agency plan.

Cost Component	Stammer AI (Agency)	Trillet (Agency)
Base plan	$197/month	$299/month
Included voice agents	20+ (covers 15 clients)	Unlimited sub-accounts
Additional voice agents	+$5/month each beyond the included 20+	Included (unlimited)
Voice usage (3,000 min)	~$330 to $510 ($0.11 to $0.17/min by model; verify telephony)	Included AI allowance; telephony separate
Transferred-call minutes	Billed per model	$0.05/min
Known monthly total	~$527 to $707 before any omitted costs	$299 before telephony and other operating costs
Compliance	Verify current reports and contracts	SOC 2 II + ISO 27001; BAA on Agency/Enterprise after process
Latency	Chat-first, voice add-on	Native, sub-1s / ~400ms

The honest read: Stammer is cheaper on base and may be cheaper overall with lighter model choices. Trillet's case is published voice-first economics: 3,000 included Agency AI minutes, $0.12/minute additional AI usage, unlimited workspaces, and one core hosted-platform relationship. Telephony and operating costs must be added on both sides. To turn platform quality into a client-retention story, see voice AI client success metrics and the missed-call math. Full pricing is on the white-label pricing page.

What Transfers and What You Rebuild

Migration between any two voice AI platforms involves rebuilding some components. Knowing what carries over and what needs manual work prevents surprises and helps you estimate accurate timelines.

What You Keep

Client business information. Your clients' business names, phone numbers, addresses, service lists, pricing, hours, and FAQs all transfer. This is your data, not Stammer's. Export it or pull it from your CRM.

Call forwarding setup. Your clients' phones forward to whatever number you point them at. Switching the destination from a Stammer agent number to a Trillet agent number takes about 30 seconds per client. No carrier changes, no number porting, no downtime.

Client contracts and billing. Your client relationships, contracts, and billing arrangements are yours. The underlying platform is invisible to your clients when you are properly white-labeled.

Calendar connections. Both platforms connect to Google Calendar and Cal.com (which also covers Outlook). You reconnect the same accounts on Trillet.

What You Rebuild

Voice agent configurations. Agent personalities, scripts, greetings, and conversation flows need to be recreated. Trillet's website scraping can auto-build a trained agent from a client's website and reviews in minutes, so you are not starting from a blank page.

Knowledge bases. Stammer's knowledge base content does not export to a universal format. Copy the text into Trillet's knowledge base builder, or use Trillet's automatic website and review scraping to rebuild it faster than the original manual build.

Conversation histories. Past call transcripts and chat logs stay in Stammer. Export them before canceling if you need them for records. Going forward, Trillet provides call transcripts, summaries, and recordings.

Automations and integrations. Any workflows connected to Stammer triggers need to be reconnected on Trillet. GoHighLevel is Trillet's one native CRM integration, alongside native Google Calendar, Cal.com, and Stripe billing. Other tools (HubSpot, Salesforce, and more) connect via MCP (Model Context Protocol), the in-call API, and webhooks, plus Trillet's 500+ integration partners, which often replaces old Zapier workarounds.

Step-by-Step Migration: 5 to 10 Clients in a Weekend

A structured migration moves clients in controlled batches. The appropriate batch size, overlap period, and schedule depend on call volume, workflow complexity, integrations, and client risk. Keep both platforms available until each replacement agent and call path is verified.

Step 1: Set Up Your Trillet Agency Account (Friday Evening, 30 Minutes)

Sign up for the Trillet Agency plan at $299/month. Configure your white-label settings: custom domain, logo, brand colors, and client dashboard branding. This is a one-time setup that applies to all future clients. If you are still comparing options, the white-label voice AI guide walks through how agencies structure pricing and onboarding.

Step 2: Create Sub-Accounts and Build Agents (Friday to Saturday, 15 to 20 Minutes per Client)

For each client, create a workspace in Trillet's dashboard. Use the client's approved source material to build the first knowledge-base draft, then review it, adjust details, and add the custom FAQs or pricing specifics you had in Stammer. Estimate migration time from a representative client first: content volume, workflows, integrations, risk level, testing, and approvals can matter more than client count.

Step 3: Configure Integrations (Saturday Morning, 10 Minutes per Client)

Reconnect each client's calendar (Google Calendar or Cal.com) and CRM. GoHighLevel connects natively; other systems connect through MCP, the API, or webhooks. Rebuild any Stammer automations as equivalent webhook or API triggers in Trillet.

Step 4: Test Each Agent (Saturday Afternoon, 5 to 10 Minutes per Client)

Call each Trillet agent from a test number. Verify it answers correctly, books against the right calendar, sends SMS follow-ups, and handles common questions. Confirm response latency feels natural (Trillet targets sub-1-second responses, averaging around 400ms). Test edge cases: questions outside the knowledge base, a full calendar, and callback requests.

Step 5: Switch Call Forwarding (Sunday Morning, 2 Minutes per Client)

Update each client's call-forwarding destination from the Stammer agent number to the new Trillet agent number. For a forwarding-based setup, this is generally a routing-setting change rather than number porting. Confirm carrier propagation, place inbound and transfer test calls, keep a rollback route, and schedule the change during a lower-risk window rather than assuming zero downtime.

Step 6: Monitor the First 48 Hours (Sunday and Monday)

Watch the first calls come through on Trillet's dashboard. Review transcripts and summaries, confirm integrations fire, and close any knowledge base gaps real caller questions reveal.

Step 7: Cancel Stammer AI (After Verification)

Once every client is confirmed working on Trillet, cancel your Stammer subscription. Export any historical data you need first.

What Trillet Does Not Do (Honest Caveat)

Trillet is a voice-first platform spanning voice, SMS, web chat, and email. It is not a chat-first chatbot platform. If your agency sells text-based website chatbots as a core product and needs deep chatbot tooling under one dashboard, Stammer's chat-first architecture is more developed for that job, and you would either keep Stammer for chat or pair Trillet with a dedicated chat solution.

The decision comes down to your revenue mix. If voice is the growth engine and chat is a minor line, the move to a native voice platform makes operational and quality sense. If chat and voice split roughly evenly, weigh whether running Trillet for voice plus a separate chat tool beats Stammer's combined offering for your specific client base.

Frequently Asked Questions

How long does it take to migrate from Stammer AI to Trillet?

Timing depends on the number and complexity of agents, integrations, test cases, phone routing, and approval process. Website-assisted creation can build a baseline quickly, but Trillet does not directly import Stammer configurations. Use a risk-adjusted overlap and move clients only after their required paths pass.

Is Trillet cheaper than Stammer AI?

Not necessarily. Stammer Agency is $197/month and Trillet Agency is $299/month, so Stammer is cheaper on base. Trillet includes 3,000 AI minutes, then charges $0.12 per additional AI minute with telephony separate. Compare the actual model, telephony, agent, integration, and support costs on both products.

Will my clients notice the switch?

If you are properly white-labeled on both platforms, clients see your brand rather than the underlying technology. Callers may still notice changes in voice, response timing, prompts, transfers, or call flow, so compare representative calls and tune the new agent before moving full traffic.

Does Trillet offer a free trial like Stammer AI?

Yes. Trillet Studio and Agency use a 7-day free trial with a card required, usage credit ($12 on Studio, $24 on Agency), three workspaces, three website-built agents per week, 200 workflow runs, and unlimited agents created from scratch. Billing begins on day 8 unless cancelled; phone numbers become available after the first payment.

Can I run both platforms simultaneously during migration?

Yes, and you should. Keep Stammer active while you build and test agents on Trillet. Only switch call forwarding once each agent is verified, and only cancel Stammer once all clients are confirmed working. Budget for one month of overlap cost.

What if I need both chat and voice agents?

Trillet handles voice, SMS, web chat, and email, but it is not a text-based website chatbot builder. If website chat is central to your offering, pair Trillet for voice with a dedicated chat platform, or weigh whether Stammer's combined chat-plus-voice approach still fits your client mix. Many agencies find voice generates higher-margin recurring revenue than chat and choose to specialize. For a fuller comparison, see how other agencies weigh Stammer AI against voice-first alternatives.

Updated for September 2026: Preserved Stammer's genuine pricing and chat-led strengths, corrected its first-party architecture, added current Trillet allowances and telephony scope, qualified BAA terms, replaced weekend migration promises with risk-based batching, and corrected the white-label trial. Also corrected the White-Label trial credit to $12 (Studio) / $24 (Agency).