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An Year of Building Agents: My Workflow, AI Limits, Gaps In Voice AI and Self hosting

Voice AI works but not because of the AI alone. After a year building voice agents, I’ve learned reliability comes from tight scope, deterministic rules, and clean human handoffs. This post shares how I (Stephanie Nyarko) design, build, and deploy voice agents that actually hold up in production.

Retell AI vs Open-Source Voice Agent Platforms: Which to choose ?

Retell AI vs open-source is really about hidden platform costs versus flexibility and self-hosting. Retell AI can be hard to manage for non-technical users, with complex setup, limited support, and bundled fees, making this choice critical before voice agent costs spiral.

Bolna AI Pricing Breakdown: And How Open Source Saves 70%

Bolna AI is a proprietary voice-agent platform charging $0.02/min plus model costs, averaging about $0.06/min. It offers Pay-as-you-Go, Fixed, and Enterprise plans, with Starter at $100 for 1,000 minutes. This blog also compares Bolna AI with alternatives like Dograh AI.

Top 7 Open-Source Alternative to Bolna AI in 2025

Bolan AI supports 10+ Indian languages, offering voice agents with volume pricing from $100 for 1000 mins. Known for smooth performance and strong analytics, it’s costlier than open-source alternatives like Dograh AI. This blog examines its drawbacks and open source options.

Observe AI Review 2025 : Pros, Cons, Pricing and Features

Observe.AI earns praise for accurate sentiment analysis and real-time AI Copilot guidance but faces criticism for occasional sentiment errors, slow interface, and missed calls. This 2025 review compares Observe.AI with Dograh AI, an open-source alternative for scalable voice automation.

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