
Symbl.ai - Detailed Review
Summarizer Tools

Symbl.ai - Product Overview
Introduction to Symbl.ai
Symbl.ai is a programmable platform that specializes in providing AI-powered conversation-driven experiences. Here’s a breakdown of its primary function, target audience, and key features:
Primary Function
Symbl.ai’s core function is to enable developers to build applications with advanced conversational intelligence. It offers scalable and secure speech recognition and contextual analytics, allowing developers to extract valuable insights from voice, video, or text data in real-time. This includes generating action items, questions, appointments, topic hierarchies, sentiments, and custom entities without the need for upfront training data.
Target Audience
The primary target audience for Symbl.ai includes:
- Developers: Those working on projects such as chatbots, virtual assistants, and voice-enabled applications.
- Tech Startups: Companies looking to integrate advanced conversational AI capabilities into their products.
- Enterprise Clients: Large corporations, financial institutions, healthcare providers, and other businesses aiming to improve customer service and streamline processes.
Key Features
- Advanced AI Capabilities: Symbl.ai provides natural language processing, sentiment analysis, and other AI features that can be easily integrated into applications using its APIs and developer tools.
- Real-Time Insights: The platform offers real-time analysis of conversations, allowing businesses to make informed decisions quickly. This includes live sentiment analysis, intent detection, and call scoring.
- Scalable Solutions: Symbl.ai’s APIs are designed to be scalable, making them suitable for businesses of all sizes. The platform supports multiple integration interfaces such as REST, WebSockets, SIP, and PSTN.
- Customizable Experiences: Developers can configure the APIs with advanced settings like custom vocabulary, speaker separation, and external metadata to increase accuracy. The platform also supports multi-language capabilities.
- Unified Analytics: Symbl.ai provides a unified analytics dashboard to monitor metrics, analyze conversations, and detect anomalies, helping businesses improve their overall performance.
By leveraging these features, Symbl.ai empowers developers and businesses to create more intelligent and engaging applications, enhancing user experiences and driving business efficiency.

Symbl.ai - User Interface and Experience
User Interface of Symbl.ai
The user interface of Symbl.ai, particularly in its Summarizer Tools AI-driven product category, is designed to be intuitive and user-friendly, focusing on ease of use and engagement.
Ease of Use
Symbl.ai’s Summarization API is integrated into a clear and well-documented platform. Users can sign up, upload conversations through the Async APIs, and enable summarization with a simple parameter (`?enableSummary=true`).
The process involves a few straightforward steps: uploading a conversation, setting the summarization parameter, and making an API call to retrieve the summary. This simplicity is further enhanced by the availability of SDK support for various programming languages such as JavaScript (NodeJS), C#, Python, and Web (TypeScript).
User Interface
The Insights UI, a pre-built UI component of Symbl.ai, plays a significant role in enhancing the user experience. This UI allows users to view conversation insights in a concise and organized manner. Here are some key features:
- List View and Details View: Users can switch between a list view for an overview of call summaries and a details view for comprehensive insights. This makes it easy to scan and navigate through calls without sifting through endless recordings or transcripts.
- Customizable: The UI components can be adapted to suit specific use cases, allowing users to include or exclude elements as needed.
- Low-code Solution: The Insights UI is a low-code solution, enabling users to integrate generative AI quickly and effortlessly. This reduces the time to market, as users can get production-ready UI out of the box, hosted and managed by Symbl.ai.
Overall User Experience
The overall user experience is streamlined and efficient. Here are a few key aspects:
- Intuitive Design: The UI is designed to be intuitive, with no learning hurdles or tutorials needed. Users can hit the ground running with minimal effort.
- Meeting Notes Made Easy: The platform automates the process of documenting call insights, whether for sales calls, customer interactions, or interviews. This frees up valuable time, allowing users to focus on more critical tasks.
- Speaker Separation and Summarization: The summarization process is enhanced by speaker separation features, which can pinpoint specific speakers and use that information to better format the summary. This makes the summaries more accurate and useful.
In summary, Symbl.ai’s Summarizer Tools are designed with a user-friendly interface that prioritizes ease of use and engagement, making it simple for users to generate and review conversation summaries efficiently.

Symbl.ai - Key Features and Functionality
Symbl.ai Overview
Symbl.ai is a conversational AI platform that offers a range of features and functionalities, particularly in the Summarizer Tools AI-driven product category. Here are the main features and how they work:Conversation Analysis
Symbl.ai can analyze multi-party conversations in real-time or asynchronously, extracting actionable insights from audio, video, and text formats. This is achieved through its state-of-the-art AI and generative AI models, such as the Nebula large language model (LLM).Real-Time and Asynchronous Processing
The platform allows for both real-time and asynchronous processing of conversations. For real-time analysis, Symbl.ai uses Streaming API or Telephony API to process conversations as they happen. Asynchronous processing is done via the Async API, enabling the analysis of recorded content.Speech to Text and Transcripts
Symbl.ai provides speech-to-text capabilities, converting spoken language into text transcripts. Users can also bring their own Automatic Speech Recognition (ASR) solutions and integrate them with Symbl.ai’s Text API.Contextual Insights and Summarization
The platform generates summary reports, identifies key topics, and extracts action items and follow-ups from conversations. This helps in capturing the essence of meetings, customer support calls, and other interactions, making it easier to track outcomes and next steps.Topic Detection and Sentiment Analysis
Symbl.ai can detect topics discussed during conversations and analyze the sentiment of the participants. This feature is useful for understanding the tone and context of the conversation, which can be crucial for customer support, sales, and compliance monitoring.Compliance Monitoring
For industries with strict compliance requirements, Symbl.ai can flag specific language or sentiment in real-time during calls, triggering alerts or logging incidents in systems like Zendesk or JIRA. This ensures immediate action and maintains compliance standards.Integration Capabilities
Symbl.ai integrates seamlessly with various applications and platforms, including CRM systems (like Salesforce), project management tools (like Trello), virtual meeting platforms, and data stores (such as Google BigQuery, AWS S3, and Microsoft SQL Server). These integrations centralize conversation data, enhancing decision-making processes.Generative AI Tasks
The platform can perform generative tasks such as drafting emails, creating summary reports, and identifying and recommending resolutions to customer issues. This is powered by the Nebula LLM, which generates responses and performs tasks based on the input conversation transcript and instructions.Real-Time Assist and Call Scoring
Symbl.ai offers real-time assist features that provide dynamic and context-sensitive guidance to agents during calls, helping them handle objections and improve customer satisfaction. It also includes call scoring capabilities that evaluate participant performance and call quality at scale, providing data-driven feedback for coaching.Unified Analytics
The platform provides a unified analytics dashboard that monitors metrics and reduces decision time. It combines conversation data, QA metrics, and CRM data into a single view, enabling proactive issue resolution and better business performance.Conclusion
In summary, Symbl.ai leverages advanced AI technologies to provide comprehensive conversation analysis, real-time insights, and integration capabilities, making it a powerful tool for various business use cases such as customer support, sales, and compliance monitoring.
Symbl.ai - Performance and Accuracy
Performance
Symbl.ai’s conversation intelligence platform is notable for its real-time analysis and low latency, allowing businesses to access insights as conversations happen. This real-time capability is a significant advantage, enabling immediate responses to customer needs and informed decision-making on the spot.
The platform utilizes a proprietary large language model (LLM) known as Nebula, which is optimized for summarizing long, multi-party conversations. This model is efficient, using 115 times fewer parameters than GPT-3, resulting in lower latencies and cost-effective hardware utilization. For instance, it can process thousands of conversations daily on single instances of cheaper GPUs, reducing hardware costs significantly.
Accuracy
The accuracy of Symbl.ai’s transcription and summarization tools is influenced by several factors, including the quality of the audio or video stream and the use of custom vocabularies. Here are some strategies to improve accuracy:
- Custom Vocabularies: For specialized or technical subject matter, pre-feeding the AI with custom vocabulary can significantly boost accuracy. For example, in a medical context, using specific medical terminology or abbreviations can help the machine recognize and transcribe these terms more accurately.
- Audio Quality: The quality of the audio stream is a major determinant of transcription accuracy. Symbl.ai can achieve up to 90% audio transcription accuracy, but this depends on the quality of the audio provided.
- Multiple Audio Streams: Setting up different streams of audio can also enhance accuracy by providing clearer and more distinct audio inputs.
Limitations and Areas for Improvement
While Symbl.ai offers high accuracy and performance, there are a few limitations and areas to consider:
- Dependency on Audio Quality: The accuracy of transcriptions is heavily dependent on the quality of the audio. Poor audio quality can lead to lower accuracy rates.
- Customization Needs: For optimal performance, especially in specialized domains, there is a need to customize the AI with specific vocabularies and training data. This can require additional effort and resources.
- Data Protection and Compliance: While Symbl.ai offers on-prem deployment options for enhanced data protection and compliance, this may not be feasible or necessary for all users. However, this feature is a significant advantage for organizations with strict data protection requirements.
Engagement and Factual Accuracy
Symbl.ai’s tools are designed to enhance engagement by providing real-time insights and summaries. The platform’s ability to analyze customer sentiment and intent in real-time helps businesses address customer concerns immediately, improving customer satisfaction and building stronger customer relationships.
In terms of factual accuracy, Symbl.ai’s use of advanced AI and natural language processing (NLP) ensures that the insights generated are accurate and actionable. The platform can generate quality scores for calls, track customer objections, and provide live sentiment analysis, all of which contribute to high factual accuracy.
Overall, Symbl.ai’s Summarizer Tools offer strong performance and accuracy, particularly when optimized with custom vocabularies and high-quality audio inputs. However, the platform’s effectiveness can be limited by the quality of the input data and the need for customization in specialized domains.

Symbl.ai - Pricing and Plans
Symbl.ai Pricing Structure
Symbl.ai offers a flexible and scalable pricing structure for its AI-driven conversation analysis and summarization tools, which can be broken down into several key plans and features.
Free Tier
Symbl.ai provides a free tier with no credit card requirement. This includes:
- Up to 1,000 minutes of audio/video analysis per month at no cost.
- Up to 10,000 words of text analysis per month at no cost.
- Up to 50 criteria for the Call Score API at no cost.
- Up to 5 minutes of Real Time Assist API usage at no cost.
- Up to 5 concurrent connections.
Pay As You Go (PayG)
The PayG plan is ideal for users with variable usage. Here are the details:
- Audio/Video: The first 1,000 minutes per month are free. The next 29,000 minutes are charged at $0.027 per minute, and any minutes over 30,000 are charged at $0.017 per minute.
- Text: The first 10,000 words per month are free. The next 3.74 million words are charged at $0.0002 per word, and any words over 3.75 million are charged at $0.00012 per word.
- Call Score API: $0.10 per criteria per conversation.
- Real Time Assist API: Up to 5 minutes free, with additional usage charged accordingly.
- Concurrency: Up to 50 concurrent connections.
Enterprise Plan
This plan is suited for high-volume users and offers additional features:
- High Volume Usage Discounts: Custom pricing for large-scale usage.
- Custom Concurrency: Adjusted concurrency limits based on your needs.
- Nebula Model API Access: Access to Symbl.ai’s large language model, Nebula, at scale.
- Enterprise Support & SLAs: Priority support with service level agreements.
- Private Environment Deployment: Option to deploy Symbl.ai in a private environment.
Additional Features and APIs
Regardless of the plan, Symbl.ai offers various APIs and features such as:
- Summary API: Allows developers to summarize conversations into concise summaries.
- Streaming and Telephony APIs: Enable real-time and asynchronous conversation analysis.
- Generative and Understanding APIs: Provide features like transcription, entities, sentiment analysis, and more.
In summary, Symbl.ai’s pricing structure is flexible, allowing users to choose between a free tier, a pay-as-you-go model, or an enterprise plan, each with its own set of features and scalability options.

Symbl.ai - Integration and Compatibility
Symbl.ai Integrations
Symbl.ai integrates seamlessly with a wide range of tools and platforms, making it a versatile solution for analyzing and gaining insights from human-to-human conversations.
Virtual Meeting Platforms
Symbl.ai integrates with top virtual meeting platforms such as Zoom, Microsoft Teams, Google Meet, and Webex. This integration allows for real-time transcription and conversation analytics, providing instant insights that can foster better engagement and more impactful contributions during meetings. Post-meeting, Symbl.ai can generate summaries, sentiments, and key takeaways, ensuring all participants are aligned on outcomes and next steps.
CRM Integrations
Symbl.ai has robust integrations with popular CRM systems like Salesforce and HubSpot. These integrations enable sales teams to incorporate conversation insights directly into their CRM workflows, eliminating the need to switch between different tools. This unified workspace allows sales representatives to manage contacts, leads, and deals while accessing valuable conversation analytics, enhancing customer interactions and sales performance tracking.
Data Store Integrations
Symbl.ai can integrate with various data stores such as Google BigQuery, Google Cloud Storage, Snowflake, AWS S3, AWS Redshift, Databricks, and Microsoft SQL Server. This allows for the enrichment of data strategies with conversation insights, centralizing all data streams for informed decision-making.
Automation and Workflow Tools
Through platforms like Pipedream, Symbl.ai can be integrated with over 2400 other applications. This enables developers to automate the analysis of voice, text, and video communications, extracting actionable items, follow-ups, and insights in real-time or from recorded content. Pipedream simplifies the integration process, allowing for quick setup and authentication using OAuth tokens.
Compliance and Project Management
Symbl.ai can also be integrated into workflows for real-time compliance monitoring, flagging specific language or sentiment during calls and triggering alerts or logging incidents in systems like Zendesk or JIRA. Additionally, it can be used to summarize customer support calls and push the results to CRM systems or project management tools like Trello.
General Compatibility
Symbl.ai’s API is built to be highly programmable, allowing developers to integrate conversation intelligence into various applications without extensive training data or setup time. This flexibility makes it compatible with a broad range of devices and platforms, from voice recording sources to video conferencing tools.
Conclusion
In summary, Symbl.ai’s integrations are designed to be seamless and straightforward, making it easy to incorporate conversation insights into various workflows and platforms, thereby enhancing engagement, collaboration, and decision-making processes.

Symbl.ai - Customer Support and Resources
Customer Support Options
Symbl.ai offers several customer support options and additional resources to enhance the user experience, particularly in the context of their AI-driven summarizer tools.Real-Time Support and Transcription
Symbl.ai provides real-time speech-to-text transcription, which is particularly useful for customer service representatives. This feature allows reps to focus on the conversation rather than typing, as the transcription happens in real-time. The platform also offers live captioning and context understanding, ensuring that customer conversations are accurately captured and analyzed.Summarization and Analytics
The platform generates various types of conversation summaries, including short, long, list, and topic-based summaries. These summaries are created using advanced deep learning models and can be accessed quickly, even for long, multi-party conversations. Additionally, Symbl.ai provides performance insights and analytics, reporting statistics on prevalent topics and actions taken during the conversations.Knowledge Base and Action Items
Symbl.ai integrates with knowledge base articles and suggests relevant actions based on the topics detected during the conversation. This helps customer service representatives to quickly find the necessary information and trigger relevant actions through RPA (Robotic Process Automation) processes. The platform also allows reps to review and modify the summary and action items before approving them.Developer Resources
For developers, Symbl.ai offers a well-documented API and SDK support for JavaScript (NodeJS), C#, Python, and Web (TypeScript). This enables developers to integrate Symbl.ai’s conversational intelligence into their own solutions. The API supports processing conversations on audio, video, and text channels, with options for asynchronous processing and real-time streaming via WebSockets.On-Prem Deployment
For organizations requiring greater control over data protection and compliance, Symbl.ai offers an on-prem deployment option. This allows companies to deploy the Nebula large language model within their own infrastructure, ensuring data security and regulatory compliance while providing optimized performance and customized solutions.Language and Channel Support
Symbl.ai supports six dialects of English (United States, United Kingdom, Australia, Ireland, India, and South Africa) across all channels. The platform also supports speaker separation and diarization, which enhances the accuracy of summaries, especially in multi-party conversations.Conclusion
By leveraging these features and resources, users of Symbl.ai can significantly improve their customer support operations, reduce call handling times, and enhance customer satisfaction.
Symbl.ai - Pros and Cons
Advantages of Symbl.ai
Symbl.ai offers several significant advantages that make it a valuable tool in the AI-driven summarizer and sentiment analysis category:
Ease of Use
Symbl.ai is known for its user-friendly interface and clear documentation, making it easy to integrate into existing applications. This ease of use allows businesses to quickly implement the tool without extensive technical expertise.
Efficient Analysis
The platform uses natural language processing and machine learning algorithms to analyze large amounts of text and speech data efficiently. This capability enables businesses to gain insights quickly, which is particularly useful for real-time applications such as customer calls, meetings, and support interactions.
Actionable Insights
Symbl.ai provides actionable insights through its sentiment analysis, conversation intelligence, topic extraction, and action item detection features. These insights help businesses make informed decisions about their products, services, and customer interactions.
Customization
The API offered by Symbl.ai can be customized to meet the specific needs of individual businesses. This flexibility allows companies to adapt the tool to their unique requirements and workflows.
Real-time Capabilities
Symbl.ai supports real-time voice AI, enabling the generation of insights from live calls and other real-time communications. Features like real-time sentiment analysis and alerts for compliance further enhance its real-time capabilities.
Summarization
The Summary API allows developers to summarize conversations into various types of summaries (short, long, list, and topic-based), saving time and effort in grasping the content of lengthy conversations.
Low Latency and Optimized Performance
Symbl.ai’s Nebula large language model is optimized for efficiency, utilizing significantly fewer parameters than other models while maintaining high quality. This results in lower latencies and faster processing times.
Data Control and Compliance
The on-prem deployment option provides organizations with greater control over their data protection and ensures compliance with regulatory requirements.
Disadvantages of Symbl.ai
While Symbl.ai offers many benefits, there are also some limitations to consider:
Limited Context
The sentiment analysis and other communication analysis techniques are limited to the text or speech data provided. This can lead to inaccurate or incomplete insights if the context of the conversation is not fully captured.
Text Only Analysis
Symbl.ai currently does not support video or image analysis, limiting its capabilities to text and speech data only.
Complex Conversations
The platform may struggle with complex, noisy, or informal conversations, which can affect the accuracy of the insights generated.
Post-Call Summarization for Some APIs
While real-time summarization is planned, some APIs currently support summarization only after the conversation has ended, which might not be ideal for all use cases.
By considering these advantages and disadvantages, businesses can make an informed decision about whether Symbl.ai aligns with their specific needs and requirements.

Symbl.ai - Comparison with Competitors
When Comparing Symbl.ai’s Summarization Capabilities
When comparing Symbl.ai’s summarization capabilities with other AI-driven summarizer tools, several key points and alternatives come to light.
Unique Features of Symbl.ai
- Multi-Channel Support: Symbl.ai supports the processing of conversations across audio, video, and text channels, all of which can be handled asynchronously. Additionally, the audio channel supports streaming via Websocket.
- Speaker Separation and Diarization: Symbl.ai offers advanced speaker separation and diarization, which is particularly useful for multi-participant conversations such as remote meetings. This feature enhances the accuracy and effectiveness of the summaries generated.
- Contextual Insights: Symbl.ai’s Summary API is part of a broader suite that generates contextual insights, including follow-ups, questions, action items, topics, and subtopics. This provides a more comprehensive analysis of the conversation.
- Language Support: Symbl.ai currently supports six dialects of English (United States, United Kingdom, Australia, Ireland, India, and South Africa), which is specified through a language code parameter.
Alternatives and Competitors
QuillBot
- Text Summarization: QuillBot is highly regarded for its ability to produce clear and creative summaries of texts up to 6,000 words with a premium subscription. It offers options for summary length, format, and keywords, and highlights the text used in the summary.
- Limitations: Unlike Symbl.ai, QuillBot does not support audio or video summarization and is limited to text-based inputs. It also does not offer speaker separation or diarization features.
Resoomer
- Summarization Modes: Resoomer offers various summarization modes, including an “Assisted” mode available with a premium subscription. It can summarize long texts but often produces lengthy and fragmented summaries.
- Limitations: Resoomer’s interface is confusing, and its free modes are very basic. It lacks the multi-channel support and speaker separation features of Symbl.ai.
AssemblyAI
- Speech-to-Text: AssemblyAI focuses on transcribing and understanding speech, which can be used as a precursor to summarization. However, it does not offer built-in summarization features like Symbl.ai.
- Integration Potential: Developers could potentially integrate AssemblyAI’s transcription services with other summarization tools to achieve similar results.
OpenAI and Cohere
- General AI Capabilities: OpenAI and Cohere are broader AI platforms that offer a range of natural language processing (NLP) capabilities, including generative models. While they can be used for summarization, they do not provide the specialized conversation summarization features that Symbl.ai offers.
Summary
Symbl.ai stands out with its ability to handle multi-channel conversations, advanced speaker separation, and comprehensive contextual insights. For those needing to summarize text-only content, QuillBot is a strong alternative, especially for its clarity and creative summarization. However, if the requirement includes summarizing audio or video conversations with precise speaker identification, Symbl.ai’s unique features make it a superior choice.

Symbl.ai - Frequently Asked Questions
Frequently Asked Questions about Symbl.ai
What does Symbl.ai do?
Symbl.ai is a platform that uses generative AI to comprehend human conversations, enabling machines to analyze and generate insights from these conversations. It provides capabilities for analyzing multi-party conversations in real-time and asynchronously, extracting actionable insights from audio, video, and text formats.
How does Symbl.ai’s summarization work?
Symbl.ai’s Summary API synthesizes vast amounts of conversation data into summaries. This API identifies the most relevant information based on the context of the conversation and can generate different types of summaries, such as short, long, list, and topic-based summaries. Developers can use this API by uploading a conversation through the Async APIs and then making a call to the Summary API with the conversation ID.
What are the steps to use the Summary API?
To use the Summary API, you need to follow these steps:
- Sign up on the Symbl.ai platform.
- Upload a conversation through the Async APIs with the query parameter
?enableSummary=true
. - Make a call to the Summary API using the conversation ID obtained from the Async API:
https://api-labs.symbl.ai/v1/conversations//summary
.
Can I use Symbl.ai for real-time summarization?
Currently, the Summary API is enabled with Async APIs. However, support for real-time summarization will be added soon. For users of the Streaming or Telephony API, you can generate a summary after the conversation has ended by using the ?refresh=true
parameter.
What types of summaries can Symbl.ai generate?
Symbl.ai’s Summary feature can generate four types of conversation summaries: short, long, list, and topic-based summaries. This flexibility allows users to choose the summary type that best fits their needs.
How accurate is Symbl.ai’s speech recognition?
Symbl.ai boasts best-in-class speech-to-text capabilities across all channels. While the accuracy can vary depending on the specific use case and custom models, Symbl.ai’s intelligence layer transforms transcription into key insights and next best actions, enhancing the overall accuracy and usefulness of the transcriptions.
Does Symbl.ai integrate with other applications?
Yes, Symbl.ai integrates with a wide range of enterprise applications. This allows businesses to seamlessly incorporate Symbl.ai’s AI capabilities into their existing systems and workflows.
What are the data retention options for Symbl.ai?
By default, Symbl.ai retains the ingested conversations and processed intelligence, but it does not store audio recordings or voice streams, which are automatically purged after processing. Developers can use the Delete API to programmatically delete conversations by conversation ID. For custom data retention options, businesses can opt for dedicated private hosting.
How does Symbl.ai charge its customers?
Symbl.ai offers trial and premium subscriptions with paid plans starting from $3.58/month. There are no free plans, but a trial is available that requires a credit card. The pricing structure includes options for pay-as-you-go and committed volume pricing.
What kind of support does Symbl.ai provide?
Symbl.ai offers tiered support with different service level agreements (SLAs) based on the support plan. This includes response times for critical to low service errors, API status notifications, technical account managers, and monthly status reviews. The level of support varies depending on the contracted plan.
