LumisReach vs Synthflow (2026): Enterprise Contract or Agent You Can Start Today?

Prices and claims below were checked against each company's website on October 17, 2026. Synthflow has changed its pricing model more than once this year, so the first section is about what you can actually buy today.

What does Synthflow cost in 2026?

Synthflow's pricing page currently lists a single plan, Enterprise, with the statement that "Enterprise contracts start at $30,000 annually." Final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs and launch support, and the page routes everything to a sales conversation. What is included is contract-defined SLAs, telephony options (native, SIP trunking or an approved enterprise carrier), custom concurrency planning, CRM, calendar and API integrations, an MSA and DPA with security review, and implementation support.

Third-party guides published earlier in 2026 describe the previous self-serve tiers (a Starter plan around $29 per month and Pro plans in the hundreds) as retired, with existing customers allowed to stay on them, and describe a pay-as-you-go model with a voice engine around $0.09 per minute plus model and telephony components. We could not find those options on Synthflow's own site at the time of writing, so treat them as legacy unless a sales rep offers them.

The practical implication: a Synthflow evaluation now starts with a demo request and a five-figure annual commitment.

What does LumisReach cost?

LumisReach publishes everything, and sells agents by the job rather than as a platform. The Receptionist, which answers inbound calls, books and transfers, is $295 per month with 500 voice minutes, a shared team inbox and a CRM included. The Speed-to-Lead agent is $395 per month with 250 minutes, the Outbound SDR is $395 per month with 500 minutes, and the Operations Specialist, which runs both automations and outbound campaigns, is $595 per month with 1,000 minutes. The Growth Marketing Manager, for video and landing pages, is $95 per month plus usage. Voice beyond the included minutes is $0.20 per minute, billed by the second; extra seats are $95 per month; annual billing takes two months off. Starting costs $20, which buys a working phone number and $10 of calling credit, and developers who want only the API and MCP server pay $20 per month. The full list is on the LumisReach pricing page.

A year of the Receptionist, paid monthly, is $3,540 and includes 6,000 voice minutes. Receptionist plus Operations Specialist, which covers inbound, automations and outbound campaigns, is $10,680 a year with 18,000 minutes. Either is well under Synthflow's published entry point, before Synthflow's per-minute usage.

LumisReach vs Synthflow side by side

How do the products differ in practice?

Synthflow is a builder. Its strength is letting an operations team design conversational flows without code: nodes for questions, branches, actions and handoffs, with a library of voices and model choices behind them. For a contact center that wants to produce dozens of agents across departments on one platform, with security review and a contract-backed SLA, that is the right shape.

LumisReach is the agent. You do not design a flow. The LumisReach team takes your price list, service area, hours, policies and the twenty questions your callers actually ask, and builds the receptionist around them. On the first call it quotes your real prices, books against your live calendar, texts a confirmation, and warm-transfers emergencies with a summary. Change a price and the next call reflects it. Anything outside its briefing becomes a note on your desk rather than an invented answer.

The same agent runs outbound: it works a list with Do Not Call scrubbing, respects calling windows in all the states with their own rules, shows your registered business name on the handset, and hands qualified conversations to a rep. Speed-to-lead callbacks reach a new web lead inside a minute. SMS, email and website chat share the conversation context.

Which sounds better on a call?

Synthflow lets you choose from many voices and model providers, and quality follows your choices and your flow design. It is competitive.

LumisReach runs unified speech-to-speech models rather than a transcription, language model and synthesis chain, hosted alongside the carrier connection. The audible result is shorter gaps between turns and more natural pacing, as a default rather than a tuning exercise. The LumisReach homepage has a live agent you can talk to without creating an account, which is the fastest way to form your own opinion.

Who should choose Synthflow?

• You are an enterprise or contact center buying one platform to build many agents.
• You want a no-code flow builder your own operations team will own.
• A $30,000 annual contract with MSA, DPA and security review is how your procurement works.
• You need custom concurrency and telephony planning across regions or departments.

Who should choose LumisReach?

• You want an AI receptionist or outbound agent working this week, without a contract or a builder.
• You want booking, CRM logging, SMS and email follow-up included rather than scoped.
• You are in legal, home services, automotive, healthcare, lending, logistics or SaaS sales, where LumisReach has ready-made setups.
• You want to try it for $20 before you commit to anything.
• You want to know the price without a sales call.
• You are a developer who wants calls, texts and transcripts over an API for $20 per month.

Frequently asked questions

Is LumisReach a Synthflow alternative?

Yes. Both deliver AI voice agents for inbound and outbound calls. Synthflow is a no-code platform sold on enterprise contracts starting at $30,000 per year. LumisReach is a finished AI receptionist and outbound agent configured for you, with agents from $295 per month and a $20 start.

Does Synthflow still have a free or starter plan?

Not on its pricing page as of October 17, 2026, which lists only an Enterprise plan from $30,000 annually. Third-party guides describe earlier self-serve tiers as retired for new customers. LumisReach has a $20 start that includes a phone number and $10 of calling credit.

Which is cheaper, Synthflow or LumisReach?

LumisReach has the lower entry point by a wide margin: a $295 per month Receptionist versus a $30,000 annual contract. At enterprise volumes the comparison depends on the per-minute rate Synthflow quotes you; LumisReach's rate is a published $0.20 per minute beyond each agent's included block, with larger engagements scoped through the Custom Agentic Workflows team.

Can LumisReach handle enterprise requirements?

LumisReach offers a HIPAA Business Associate Agreement, encrypts PII in transit and at rest, keeps a per-contact audit trail with recordings and transcripts, never uses customer data to train shared models, and has SOC 2 Type II in progress. Custom integrations and done-for-you campaigns are available through the Custom Agentic Workflows team.

Do I need to build flows in LumisReach?

No. The LumisReach team configures the agent from your prices, hours, service area, policies and common questions. You review and calibrate before it goes live, and you can change the facts it quotes at any time.

Sources

• Synthflow pricing, checked October 17, 2026
• LumisReach pricing
• LumisReach Call Receptionist and Speed-to-Lead Agent
• LumisReach HIPAA details