AI Tool

Assemblix Review

Assemblix is a visual builder for conversational AI agents that allows users to design dialogue workflows and execute them through text, voice, or AI avatars.

shipped Sep 24, 2026voicefreemium

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Why it matters

1Offers a freemium pricing model with a Free tier at $0.

2Provides an API for integration, with documentation available at https://app.assmblx.com/docs.

3Supports multimodality including text, audio, and vision outputs.

4Integrates with OpenAI, Google Gemini, DeepSeek, ElevenLabs, Yandex SpeechKit, and Anam for avatars.

About Assemblix

Business Model

Hybrid (Subscription + Usage)

Usage Pricing

$0.0001 per credit

Free Credits

5,000 credits/month

Platforms

Web, API

Target Audience

Businesses and developers looking to create conversational AI solutions.

Pricing Plans

Free

• Unlimited agents & workflows
• 5,000 credits / month
• 10 requests / min
• 1 live voice call

Pro

$19/mo

• Everything in Free
• 60,000 credits / month
• 60 requests / min
• 5 live voice calls

Business

$49/mo

• Everything in Pro
• 200,000 credits / month
• 150 requests / min
• 15 live voice calls

Cost Examples

• 1 run costs 1 credit plus a 10% margin on model usage
• $0.02 per minute of realtime voice plus provider rate

Leadership

Nikita MamizerovFounder

API Docs GitHubOpen Source

Screenshots

overview

What is Assemblix?

Assemblix is a conversational AI agent builder tool developed by Assemblix LLC that enables businesses and developers to design and deploy interactive AI agents. It provides a visual interface for creating dialogue workflows that can be executed via text, voice, or AI avatars, supporting branching logic and integration with various AI models. The platform is designed to facilitate the creation of AI solutions for diverse applications, from customer service to educational tools.

features

Key Features of Assemblix

Assemblix provides a suite of features designed for the development and deployment of conversational AI agents. Its core functionality revolves around a visual builder that simplifies the creation of complex dialogue flows, supporting various interaction modalities and AI model integrations.

Visual dialogue builder for designing conversational workflows.
Support for text, voice, and AI avatar outputs.
Implementation of branching logic based on defined conditions.
Integration with third-party AI models including OpenAI, Google Gemini, and DeepSeek.
Real-time conversation analysis for monitoring agent performance.
Proprietary function calling capabilities.
API access for custom integrations and programmatic control.
Multimodal support for audio and vision in addition to text.

use cases

Who Should Use Assemblix?

Assemblix is primarily targeted at businesses and developers seeking to implement conversational AI solutions without extensive coding. Its visual interface and integration capabilities make it suitable for a range of applications requiring automated dialogue and interaction.

Businesses developing voice assistants for customer service or internal operations.
Sales teams requiring lead qualification or automated sales agents.
Organizations implementing employee training or internal help desk solutions.
Educators and language learning platforms for interactive practice.
Researchers conducting interviews or surveys through AI agents.

how to use

How to Use Assemblix

To begin using Assemblix, users typically access the web-based platform to design their conversational AI agents. The process involves configuring dialogue flows, integrating AI models, and deploying the agent across desired channels.

1Register for an Assemblix account via the web platform.
2Utilize the visual dialogue builder to design conversational workflows.
3Configure branching logic and conditions for dynamic interactions.
4Integrate preferred AI models such as OpenAI or Google Gemini.
5Define output modalities, including text, voice, or AI avatars.
6Deploy the conversational AI agent for its intended use case.

pricing

Assemblix Pricing & Plans

Assemblix operates on a freemium model, offering a free tier alongside paid subscription plans for increased capabilities and usage. The platform also incorporates usage-based pricing for credits beyond the free allocation.

Free: $0 per month, includes 5,000 credits.
Pro: $19 per month, offers expanded features and usage.
Business: $49 per month, provides comprehensive features for larger operations.
Usage Pricing: $0.0001 per credit, with 1 run costing 1 credit plus a 10% margin on model usage.
Real-time voice usage is priced at $0.02 per minute plus the provider rate.

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Pros

+Visual builder simplifies the design of complex dialogue workflows.
+Supports multiple output modalities: text, voice, and AI avatars.
+Integrates with a range of popular third-party AI models (OpenAI, Google Gemini, DeepSeek).
+Offers a freemium model with a functional free tier including 5,000 credits.
+Provides an API for custom integrations and advanced development.
+Includes proprietary function calling for enhanced agent capabilities.

Cons

−Usage beyond free credits incurs additional costs, which can accumulate with high volume.
−Real-time voice usage has a separate per-minute charge in addition to provider rates.
−While offering integrations, the breadth might be less than more established platforms like Voiceflow.
−The platform's specific niche in conversational AI might be less flexible for general LLM application development compared to tools like FlowiseAI.

Similar Tools

Assemblix vs Competitors

Assemblix operates within the competitive landscape of conversational AI builders, offering a visual design experience similar to several established platforms. Its focus on multimodal output and integration with various AI models positions it against both general-purpose and specialized tools.

Voiceflow↗

Specializes in designing, prototyping, and launching AI assistants for voice and chat with a highly intuitive visual canvas.

Voiceflow offers a very similar visual design experience to Assemblix, with a strong focus on multi-modal conversational design. It might have a larger community and more integrations, but the core functionality for visual dialogue building is highly comparable.

BotpressOn Stork

An open-source platform for building, deploying, and managing AI assistants with a visual flow editor and built-in NLU.

Botpress provides a robust open-source alternative with a visual builder for dialogue flows, similar to Assemblix. While it offers more control and customization for self-hosting, its cloud version also has a free tier, making it a strong contender for those looking for a free or open-source option.

FlowiseAIOn Stork

A low-code visual UI for building custom LLM applications, allowing users to drag and drop components to create complex AI workflows.

FlowiseAI offers a visual drag-and-drop interface for building AI flows, similar to Assemblix's approach to dialogue. However, it's more general-purpose for LLM applications rather than specifically tailored for conversational agent dialogue management, meaning you might need to build more of the conversational logic from scratch.

TiledeskOn Stork

An open-source customer service platform offering live chat and a visual chatbot designer for building conversational flows.

Tiledesk provides an open-source visual chatbot builder with a focus on customer service use cases, similar to Assemblix's dialogue flow design. While it might be more geared towards support interactions, its visual editor for conversational flows makes it a viable free alternative, though it might require more setup for advanced AI model integrations compared to Assemblix.

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