Synthflow
No-code AI voice agents for calls

Developer platform for AI phone agents
Bland AI is a capable, well-funded choice for developers and enterprises automating phone calls at scale, and bundling LLM, voice, and telephony simplifies what is otherwise a complex stack. The per-minute base rate looks low, but add-ons (custom voices, knowledge-base lookups, recording) push real cost higher, so model your true per-minute cost for your call mix. It is developer-first, so non-technical teams should expect a build effort or partner. Evaluate against Synthflow, Vapi, and Retell on latency, reliability, and integration fit.
Bland AI is a developer-first platform for building AI voice agents that make and receive phone calls, bundling the LLM, speech, and telephony into a per-minute service. Aimed at developers and enterprises automating high call volumes, it offers conversation-flow tools, integrations, custom voices, and enterprise security. It has handled well over a hundred million calls, raised more than $100M in funding, and competes with Synthflow, Vapi, and Retell.
Bland AI provides infrastructure for building AI phone agents: programmable voice assistants that place and answer calls for sales, support, scheduling, and operations. Its pitch is an all-in-one, developer-first stack, combining the LLM, speech, and telephony so teams don't have to wire together separate providers, and pricing on a simple per-minute basis. The platform is aimed at developers and businesses automating high call volumes, with tools for building conversation flows ("pathways"), integrations, custom voices, and enterprise features like security and dedicated infrastructure. Bland reports having handled well over a hundred million AI phone calls and serving hundreds of enterprise customers. Bland has raised substantial venture funding and is positioned toward complex, high-stakes conversations at enterprise scale, though it also serves self-service developers. Pricing starts near a low per-minute base rate, with add-ons (custom voices, knowledge-base lookups, recording) increasing the effective cost. It competes with Synthflow, Vapi, Retell, and similar voice-agent platforms.
Bland AI is a developer-first platform for building AI voice agents that make and receive phone calls, bundling the LLM, voice, and telephony into a per-minute service. It targets developers and enterprises automating high call volumes, has handled well over a hundred million calls, and has raised more than $100M in funding. Pricing starts around $0.09/minute with add-ons that raise the effective rate. It competes with Synthflow, Vapi, and Retell.
Bland AI is a US-based voice-AI company founded around 2023, building infrastructure for AI phone agents. It emphasizes an all-in-one, developer-first stack and enterprise-grade reliability.
The company reports having handled over 175 million AI phone calls and serving 250+ enterprise customers alongside self-service developers, positioning itself for complex, high-stakes phone conversations.
Bland provides an API and dashboard for building conversation flows (pathways), custom voices, knowledge-base and CRM integrations, and enterprise features like security and dedicated infrastructure. It bundles the LLM, speech, and telephony into a single per-minute service.
It supports both outbound and inbound calling at scale, with transcripts and analytics for monitoring and iteration.
Developers, product teams, and enterprises automating outbound and inbound phone calls for sales, support, scheduling, and operations at scale.
Developers and engineers building and operating AI phone agents.
Heads of engineering, product, or customer operations at scale-ups and enterprises.
Solutions architects, IT security, and telephony/infra leads.
A scale-up or enterprise with high call volumes and engineering resources that wants a bundled, developer-first voice-agent stack with enterprise reliability and security.
Bland has raised more than $100M total. Reported rounds include a $40M Series B in early 2025 and a $50M Series C on June 16, 2026, said to be led by Dell Technologies Capital with participation from HubSpot Ventures, Archerman Capital, and Tribeca Venture Partners.
It is a developer platform for building AI voice agents that make and receive phone calls, used for sales, support, scheduling, and high-volume call automation.
Calls are priced per minute, with a base rate around $0.09/minute that bundles the LLM, voice, and telephony. Add-ons like custom voices and recording raise the effective cost to roughly $0.09-0.14/minute.
It is developer-first. Non-technical teams can use it but should expect to build conversation flows and integrations, or work with a partner or internal developer.
Yes. A key selling point is that Bland bundles the language model, speech, and telephony into one per-minute service, avoiding the need to wire together separate providers.
Both build AI voice agents. Bland is more developer/infrastructure-focused with bundled telephony and per-minute pricing; Synthflow offers more no-code building and has moved toward enterprise and pay-as-you-go pricing. Compare on latency, integrations, and build model.
Side-by-side pages for pricing, features, and best-fit use cases.
No-code AI voice agents for calls
Enterprise voice AI that answers customer calls in natural language
Enterprise conversational AI agents for customer experience, billed on the outcomes they resolve.
Ada is an AI-powered customer service automation platform that handles support conversations across voice, messaging, and email channels