Nelly vs Voiceflow: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Nelly
Nelly is a complete AI agent platform for building, using, and sharing intelligent agents without any coding required.
Voiceflow
Voiceflow is a no-code platform for building AI chatbots and voice agents without programming knowledge.
Nelly
Nelly is a complete AI agent platform for building, using, and sharing intelligent agents without any coding required.
Voiceflow
Voiceflow is a no-code platform for building AI chatbots and voice agents without programming knowledge.
Nelly
No-code AI agent creation using natural language instructions
Sub-agent architecture for complex workflow automation
Built-in tools including web browser, calculator, and database
Local data storage with cloud AI processing
Real-time activity monitoring and progress tracking
Custom LLM provider integration support
Department-based agent organization system
Desktop application for Mac with Windows/Linux coming soon
Marketplace for sharing and monetizing agents (coming soon)
Priority support and early access features
Voiceflow
Visual drag-and-drop agent builder
Multiple AI models (GPT-4, Claude, Gemini)
Knowledge base training on your data
Voice and chat agent deployment
Real-time team collaboration
API integrations and custom code
Analytics and conversation insights
Pre-built templates library
Enterprise security and compliance
Active community and support
Nelly
Nelly offers flexible pricing designed to accommodate different user needs, from individuals exploring AI automation to power users requiring extensive capabilities.
Free Plan ($0/month) – Perfect for getting started with unlimited AI agents and 30 messages per month. No credit card required, making it risk-free to explore the platform's capabilities.
Pro Plan ($9/month) – Ideal for regular users who need higher limits with 100 messages per month, priority support, and early access to new features.
Pro+ Plan ($20/month) – Designed for power users requiring 250 messages monthly along with all Pro benefits including priority support and early feature access.
Important note: When you connect your own LLM provider (available in paid plans), message limits don't apply, giving you unlimited usage subject only to your provider's policies. Custom enterprise solutions are available for organizations requiring higher limits or specific features. All pricing and features may change when Nelly exits beta testing.
Voiceflow
Voiceflow offers flexible pricing plans to fit different team sizes and needs. The Starter plan is completely free and includes 100 credits monthly, 1 workspace, 50 knowledge sources, and up to 2 agents. This is perfect for testing the platform and building simple agents.
The Pro plan costs $60 per month and provides 2 workspaces, 3,000 knowledge sources, access to all AI models, up to 20 agents, and 5 concurrent voice calls. This plan suits individual builders and small teams getting serious about AI automation.
For growing teams, the Business plan at $150 monthly offers 5 workspaces, 10,000 knowledge sources, unlimited agents, priority support, and 15 concurrent voice calls with custom privacy features.
Enterprise plans feature custom pricing with unlimited usage, dedicated training, migration services, custom cloud hosting, and single sign-on for large organizations requiring maximum scalability and security.