Synthflow AI
No-code voice AI agents for enterprise phone support at scale.
Overview
Synthflow AI is a Berlin no-code platform (founded 2023, $30M raised, Accel-led Series A) for building enterprise voice agents in 40+ languages via ElevenLabs synthesis. As of mid-2026 pricing is a self-serve Pay-As-You-Go plan (from $0/month, roughly $0.15-0.37/min all-in) plus a custom Enterprise plan starting around $30,000/year for high volume.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 31 Aug 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
- No monthly platform fee
- LLM from $0.02/min extra
- Bring-your-own Twilio supported
- Legacy $29+/mo plans closed to new users
- Enterprise SLA + support terms
- Native telephony or SIP trunking
- CRM and contact-center integrations
- MSA/DPA + onboarding support
Use cases
What you can produce with Synthflow AI
- Live inbound or outbound voice agent deployed in under 21 days without engineering resources
- CRM-synced call logs with automated lead updates in Salesforce, HubSpot, Zoho, or GoHighLevel after every call
- Multi-language voice agent covering 40+ languages including 4 ASEAN-region languages (Thai, Vietnamese, Indonesian, Malay)
- Pre-launch agent quality report from the BELL Test Center simulating hundreds of call scenarios
- White-labeled voice AI product with custom branding and Stripe rebilling for agency deployments
- Real-time analytics dashboard with per-call transcripts, sentiment scores, and Auto-QA results
- HIPAA/SOC2/GDPR-compliant voice automation pipeline for regulated healthcare and financial workflows
ASEAN Perspective
Synthflow AI in Southeast Asia
Synthflow confirms support for key ASEAN-region languages including Indonesian, Malay, Thai, Vietnamese, Mandarin, and Hindi, making it technically viable for multilingual contact-center deployments across Southeast Asia. However, the platform is headquartered in Berlin with a stated expansion focus on the US market, and no APAC-specific partnerships, local telephony carriers, or regional data-residency commitments are publicly documented as of mid-2026. Pricing in USD and support timezones aligned to Europe and the US may create friction for ASEAN enterprise buyers who require local SLAs or in-region data handling. Teams in Singapore, Malaysia, or Indonesia should verify data-residency requirements against internal compliance policies before committing at enterprise scale.
Synthflow's no-code flow designer and native CRM/CCaaS integrations remain the strongest pitch for teams that need production voice agents without engineers, and G2 backs that up: 4.5/5 across roughly 950 reviews, with a fastest-implementation badge. The December 2025 BELL framework — a pre-launch test center that simulates calls before an agent goes live — addresses a real production risk in voice AI. But the entry price has moved sharply upmarket: the public pricing page now lists a single enterprise plan starting at $30,000/year, with usage costs on top since Synthflow requires bringing your own LLM and voice-provider keys. 'Expensive' is the single most-mentioned G2 complaint (145 mentions), and reviewers consistently flag latency spikes and awkward handling once callers go off-script. Support is Slack-based for the first 30 days only, then ticket-based — and multiple users report multi-day response times after that window closes.
What people say
The $29-a-month Starter plan that shows up in half the SEO roundups about Synthflow doesn't exist anymore. As of mid-2026 the public pricing page lists one option: an enterprise plan starting at $30,000 a year, custom-scoped to call volume and telephony setup. That's a serious repositioning away from solo builders and toward contact centers with budget.
The product underneath hasn't gotten worse for it. G2 puts Synthflow at 4.5/5 across roughly 950 reviews — a big sample for a three-year-old company — with reviewers repeatedly praising the visual flow builder, native integrations with Salesforce, HubSpot, Five9, and RingCentral, and how fast a first agent goes live. The December 2025 BELL framework adds a pre-launch simulation step that catches bad call flows before they hit real customers, which is more than most competitors offer.
'Expensive' is the top-mentioned complaint on G2 (145 mentions), and it compounds: because Synthflow is bring-your-own-key for the LLM and voice provider, the sticker price on any plan doesn't include what ElevenLabs, GPT-4o, and Deepgram actually cost per minute, which reviewers say routinely runs $0.15–$0.37/minute on top. Latency spikes and agents fumbling off-script conversation are the next most common gripes.
Support has its own reputation problem: Slack access is capped at the first 30 days of onboarding, after which it's ticket-only, and multiple reviewers describe waiting more than a day for a reply that raises more questions than it answers. Synthflow does maintain a small public GitHub org (n8n and Anthropic integration plugins), a rarity among voice AI vendors that keep everything closed.
Summary of public user & expert reviews, compiled by RECATOOLS.
Notable facts
- Synthflow was co-founded by siblings Hakob and Albert Astabatsyan, both veterans of BCG and Rocket Internet, who closed a $30M total raise within roughly two years of launch.
- The BELL Framework (Build, Evaluate, Launch, Learn), launched December 2025, lets teams simulate hundreds of calls and auto-score agent accuracy before a single live call is placed.
- A single BPO client deployed 40+ branded voice agents in under 60 days, automating over 600,000 calls per month — all without writing any code.
- Synthflow's voice synthesis leverages ElevenLabs Turbo v2 and supports 40+ languages, including eight ASEAN-region languages: Mandarin, Japanese, Korean, Indonesian, Malay, Thai, Vietnamese, and Hindi.
Frequently asked questions
About this listing
This entry was compiled from publicly available data including Synthflow AI's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Synthflow AI unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
For the latest details, please refer to Synthflow AI directly →
Spotted something out of date? Suggest an update →
More in Agents & Automation
