
Superhuman - Detailed Review
Summarizer Tools

Superhuman - Product Overview
Introduction to Superhuman
Superhuman is an AI-driven email platform that aims to significantly enhance the efficiency and productivity of managing your inbox.Primary Function
The primary function of Superhuman is to streamline your email experience using advanced AI technologies. It helps users write, reply, triage, search, and schedule emails much faster than traditional methods. This is achieved through features powered by OpenAI’s API, which integrate seamlessly into the email workflow.Target Audience
Superhuman is primarily targeted at high-performing teams and individuals, particularly those in demanding professional roles such as executives, tech professionals, marketers, engineers, and finance specialists. The platform is popular among users who need to manage a high volume of emails efficiently.Key Features
Write with AI
This feature allows users to turn a few phrases or a dictated statement into a full, professionally written email that matches the user’s voice and tone.Instant Reply
Superhuman generates draft replies for every email, enabling users to respond quickly by simply editing or sending the suggested replies. This feature has been shown to double the speed of email writing.Auto Summarize
The platform provides a one-line summary for each email thread, which updates in real-time as new emails arrive. This helps users quickly grasp the essence of each conversation without needing to read the entire email.Schedule Events
With just one tap, users can create events complete with title, description, location, and attendees, as well as suggest the best date and time based on the participants’ availability.Search and Ask
Instead of manually searching through emails, users can ask questions like “where is the Q2 offsite” or “when is my flight,” and get rapid answers without having to remember senders, guess keywords, or scan subject lines.Privacy and Security
Superhuman ensures strict privacy and compliance by leveraging OpenAI’s zero data retention policy for qualifying use cases, which is crucial for handling confidential email threads. By integrating these features, Superhuman significantly reduces the time spent on email management, allowing users to save up to 4 hours per week and process their inbox twice as fast as before.
Superhuman - User Interface and Experience
User Interface Overview
The user interface of Superhuman, particularly in its AI-driven Summarizer Tools, is crafted to be intuitive and efficient, making it easy for users to manage their emails quickly.Auto Summarize Feature
When using the Auto Summarize feature, users are presented with a one-line summary at the top of every conversation thread. This summary updates automatically as new emails arrive, ensuring that the user always has the latest context.Activation on Desktop
On desktop, to activate Auto Summarize, users need to hit `Cmd K` (Mac) or `Ctrl K` (Windows) to activate Superhuman AI, and then press `i` within an open conversation. This will display the one-line summary, and pressing `i` again will expand it into a more detailed summary in bullet points.Activation on Mobile
On mobile, the process is equally straightforward. Users simply tap the one-line summary above the conversation to see a detailed summary in bullet points. To collapse the summary, they just pull the summary box down.Ease of Use
The interface is clean and distraction-free, which helps in maintaining focus. The Auto Summarize feature is particularly user-friendly, as it provides immediate context without requiring users to read through entire email threads. This makes it easier to quickly grasp the essence of a conversation, saving significant time.Additional AI Features
Superhuman also offers other AI-driven features that enhance the user experience. For example, the “Write with AI” feature can transform rough ideas into polished emails, matching the user’s voice and tone based on their previous emails.Ask AI Feature
The “Ask AI” feature allows users to get rapid answers by asking questions about their emails, such as finding specific information across multiple conversations. This feature is particularly useful for quickly retrieving relevant details without having to manually search through emails.Overall User Experience
The overall user experience is streamlined and efficient. The AI features are integrated seamlessly into the email client, making it easy for users to leverage them without a steep learning curve. The feedback from users indicates a high level of satisfaction, with many finding the Auto Summarize and other AI features to be highly beneficial for their productivity.Conclusion
In summary, Superhuman’s user interface for its Summarizer Tools is intuitive, efficient, and highly user-friendly, making it an excellent tool for managing emails and enhancing productivity.
Superhuman - Key Features and Functionality
Superhuman: Enhancing Email Management with AI
Superhuman, an advanced email client, integrates AI in several key features to enhance productivity and efficiency, particularly through its Summarizer Tools. Here are the main features and how they work:Auto Summarize
This feature provides a 1-line summary at the top of every email conversation. As new emails arrive, the summary updates instantly. To see more details, you can simply hit the “M” key. This allows users to quickly grasp the essence of the conversation without needing to read the entire email, significantly speeding up the process of managing your inbox.Instant Reply
Superhuman AI generates draft replies for every email in your inbox. This feature enables you to edit and send responses quickly, often without the need for any edits. This speeds up the email response process, allowing you to manage your inbox more efficiently.Write Faster
With Superhuman AI, you can turn ideas into full emails quickly. Just jot down some phrases, and the AI will transform them into a complete email that matches your voice and tone. This feature is particularly useful for composing emails that sound natural and personalized.Ask and Get Rapid Answers
Superhuman AI allows you to ask questions about your emails, such as “where is the Q2 offsite” or “when is my flight.” The AI quickly provides answers without requiring you to remember senders, guess keywords, or scan subject lines. This feature saves time and makes searching through emails much more efficient.Schedule Events
You can create events directly from your email with just one tap. The AI helps set up the event with details like title, description, location, and attendees, and even suggests the best date and time based on everyone’s availability. This streamlines the scheduling process and reduces the time spent on coordinating events.Triage and Search
Superhuman AI helps you triage through your emails quickly by providing summaries and instant replies. The search function is also enhanced, allowing you to find specific information across multiple emails without the need to scan through each one manually.Privacy and Security
While the primary focus is on efficiency, Superhuman also ensures that sensitive information is handled securely. For example, features like Auto Summarize are designed to maintain data privacy, filtering out sensitive information before processing the emails.Benefits
- Time Savings: Features like Auto Summarize, Instant Reply, and rapid answers save a significant amount of time, allowing you to manage your inbox much faster.
- Increased Productivity: By automating tasks such as writing emails, scheduling events, and summarizing conversations, Superhuman AI helps you focus on more strategic and creative work.
- Improved Efficiency: The AI-driven tools reduce the need for manual searching and scanning, making it easier to handle a large volume of emails.
- Enhanced User Experience: The summaries and instant replies make it easier to stay on top of your emails, reducing stress and improving overall satisfaction with email management.

Superhuman - Performance and Accuracy
Summarization Capabilities
Superhuman’s AI tool is praised for its ability to summarize long email threads efficiently. It converts these threads into bullet points, highlighting who said what, which significantly enhances productivity.
User Feedback and Engagement
Users have reported high satisfaction with the auto-summary function, describing it as one of the best productivity features they have encountered. The tool integrates well with the user’s existing email habits, providing summaries that are both concise and informative.
Accuracy and Consistency
While the tool is effective in summarizing email conversations, there is limited detailed analysis available on its factual accuracy. However, the positive user feedback suggests that the summaries are generally accurate and helpful. For instance, users appreciate the 1-line summaries that update instantly as new emails arrive, allowing them to quickly grasp the essence of the conversation without needing to read the entire email.
Limitations
One of the main limitations is the lack of detailed technical information about how the summarization algorithm works. This makes it difficult to assess the tool’s performance from a technical standpoint. Additionally, the tool’s reliance on proper integration with the user’s email data means it might not perform optimally if the email content is complex or if there are issues with data consistency.
Areas for Improvement
Detailed Technical Insights
There is a need for more transparent and detailed technical reports on how the summarization algorithm is constructed, how it handles different types of email content, and how it ensures accuracy.
Handling Complex Content
While the tool is good with standard email threads, it may struggle with highly complex or technical content. Improving its ability to handle such content could enhance its overall performance.
Customization
Providing more customization options for users to tailor the summarization to their specific needs could further improve user satisfaction.
Conclusion
In summary, Superhuman’s AI summarizer tool is highly regarded for its ability to enhance productivity by providing concise and useful summaries of email conversations. However, there is room for improvement in terms of transparency about the technical aspects and handling complex content.

Superhuman - Pricing and Plans
Superhuman Pricing Plans
Superhuman, an AI-driven email productivity tool, offers several pricing plans to cater to different user needs. Here’s a breakdown of their plans, features, and pricing:
Starter Plan
- Price: $30 per user per month or $300 per user per year.
- Ideal for: Individuals and small teams.
- Features: Includes Superhuman Command, Split Inbox, Snippets, Remind Me, Snooze, Unsubscribe, Share Availability, Shared Conversations, and Team Comments, as well as most Superhuman AI features.
Business Plan
- Price: $40 per user per month or $396 per user per year.
- Ideal for: Growing teams reliant on email.
- Features: All features from the Starter Plan plus Ask AI, Smart Send, the Recent Opens Feed, and integrations with Salesforce, HubSpot, and Pipedrive.
Enterprise Plan
- Price: Custom pricing (requires contacting Superhuman sales).
- Ideal for: Larger teams requiring advanced features and custom solutions.
- Features: Includes all features from the Business Plan, along with advanced security and controls, Single Sign-On (SSO), dedicated support, SOC II Type II Security, Custom Compliance Needs, and Google Advanced Protection.
Additional Notes
- Annual Subscriptions: Superhuman offers discounts for annual subscriptions, which can provide financial savings.
- Non-Profit and Education Pricing: Special pricing for non-profits and educational institutions is available, but you need to contact Superhuman’s support team for details.
- Free Trial: Superhuman provides a 30-day free trial for users to test the service before committing to a plan.
There are no free plans available beyond the 30-day free trial. For specific inquiries about custom or discounted pricing, it is recommended to contact Superhuman directly.

Superhuman - Integration and Compatibility
Integration with Other Tools
Superhuman enhances productivity by integrating with various tools that are commonly used in professional settings. Here are some key integrations:Salesforce
Superhuman has recently integrated with Salesforce, allowing users to access and manage their Salesforce data directly from their email inbox.Google Docs, Notion, Asana
Superhuman’s Split Inbox feature allows users to separate emails from these tools, ensuring that important notifications and updates are not missed. This helps in focusing on what needs immediate attention.LinkedIn and Facebook
Superhuman integrates with social media platforms like LinkedIn and Facebook, providing users with meaningful insights to improve relationship building and communication.Compatibility Across Different Platforms and Devices
Email Providers
Currently, Superhuman is compatible only with Gmail and Outlook accounts. It does not support most other email providers.Devices
While the website does not specify detailed device compatibility, it is generally expected that Superhuman would be accessible on both desktop and mobile devices, given its modern design and the need for flexibility in email management.Additional Features and Tools
Zapier AI
Although not a direct integration, Superhuman users might benefit from using Zapier AI to automate tasks. Zapier AI can create automations based on described tasks, which can complement Superhuman’s features.Snippets and Command Bar
Superhuman allows users to automate typing and insert predefined text snippets, which can be shared with the team. This feature helps in overcoming repetitive tasks and ensures consistent messaging. In summary, Superhuman is well-integrated with key productivity tools and social media platforms, but it has limited compatibility with email providers beyond Gmail and Outlook. Its features are designed to enhance email management and collaboration, making it a valuable tool for busy professionals.
Superhuman - Customer Support and Resources
Superhuman Customer Support Options
Superhuman offers several comprehensive customer support options and additional resources to ensure users get the most out of their AI-driven email product, particularly with features like Auto Summarize.Customer Success Management
Each user or team is assigned a dedicated Customer Success Manager who partners with them every step of the way. This manager helps achieve goals and ensures maximum utilization of Superhuman’s features.Team Trainings
Superhuman provides expert-led training sessions that are designed to meet the unique needs of each team. These trainings facilitate a smooth onboarding process, minimizing disruption and ensuring maximum impact.24/7 Priority Support
Users have access to best-in-class, priority support available 24/7. This ensures that any issues or questions are addressed promptly, regardless of the time.Auto Summarize and Other AI Features Support
For specific features like Auto Summarize, users can find detailed instructions and FAQs on the Superhuman Help Center. This includes how to activate and use the Auto Summarize feature on both desktop and mobile devices.General Resources
The Superhuman website and help center offer a wealth of information, including articles, guides, and FAQs that cover various aspects of the product. This helps users quickly find answers to common questions and learn how to use different features effectively.Conclusion
By providing these resources, Superhuman ensures that users can efficiently manage their email inboxes, utilize AI features like Auto Summarize, and maintain a high level of productivity.
Superhuman - Pros and Cons
Advantages of Superhuman in the AI-Driven Summarizer Tools Category
Time-Saving and Efficiency
Superhuman’s AI Summarize feature is a significant time-saver, providing a 1-line summary above every conversation that updates instantly as new emails arrive. This allows users to quickly grasp the context of an email thread without reading through the entire conversation.
Productivity Boost
The tool streamlines email management through its intuitive interface and extensive keyboard shortcuts, making it easier to manage emails efficiently. Users report gaining back hours each week due to these efficiency-driven features.
Seamless Integration
Superhuman integrates seamlessly with Gmail and Outlook, ensuring smooth functionality for users of these email services. This integration enhances team communication and prevents duplication of work through features like shared snippets and read statuses.
Personalized Email Assistance
Superhuman AI can write emails in the user’s own voice and tone by analyzing previous emails. It also offers instant replies, scheduling, and other AI-powered features that make email management faster and more personalized.
Privacy and Security
Superhuman takes data privacy seriously, with a Zero Day Data Retention agreement and minimal data logs. Users can opt-in or opt-out of using Superhuman AI at any time, and the company does not share data with OpenAI for training their models.
Disadvantages of Superhuman
Accuracy of Summaries
One of the main drawbacks is the potential inaccuracy of the 1-line summaries, especially for emails with multiple topics or intricate details. This can lead to missing important context or nuances, which might result in misunderstandings.
Premium Pricing
Superhuman is a paid service, with pricing plans starting at $25 per user per month for the Starter plan and $33 per user per month for the Business plan. This can be a financial consideration for those accustomed to free email clients.
Learning Curve
New users may need time to adapt to the plethora of shortcuts and features offered by Superhuman. This adjustment period can be a barrier for some users who prefer a more straightforward email client.
Platform Limitations
Superhuman is currently optimized for Gmail and Outlook users, which may limit its appeal for users of other email services. This can be a significant consideration for those who rely on different email providers.
By weighing these pros and cons, users can make an informed decision about whether Superhuman’s AI-driven summarizer tools align with their needs and preferences.

Superhuman - Comparison with Competitors
Superhuman’s Auto Summarize
- Auto Summarize provides a 1-line summary above every conversation, updating instantly as new emails arrive. For more detail, users can expand the summary by hitting a designated key (e.g., M on desktop or tapping the summary on mobile).
- This feature is integrated into the Superhuman email client, making it seamless to use without needing to remember to activate it.
- It helps users quickly gather context from email conversations, often eliminating the need to read the entire email.
QuillBot Summarizer
- QuillBot is highly regarded for producing clear, accurate, and creative summaries. It can handle texts up to 6,000 words with a premium subscription.
- QuillBot offers various modes, including Key Sentences and Paragraph modes, and allows users to highlight text used in the summary and focus on specific keywords.
- While QuillBot is a standalone tool, its summarization capabilities are more comprehensive and flexible compared to Superhuman’s Auto Summarize, especially for longer texts.
Resoomer Summarizer
- Resoomer generates creative summaries by combining information from different sentences. However, its free modes are basic, and the premium mode ($10.57/month) is more useful.
- Resoomer can handle long texts but produces summaries that are often long-winded and spread across multiple pages, which can be less convenient.
- Unlike Superhuman, Resoomer is not integrated into an email client and requires separate use.
Scribbr Summarizer
- Scribbr’s summarizer is powered by QuillBot technology, offering similar quality and features but with a 600-word limit per input. It is free to use with no premium version available.
- While it shares the strengths of QuillBot, the word limit makes it less versatile for longer texts compared to Superhuman’s Auto Summarize, which is designed for email conversations.
Other Summarizers
- Other tools like Summarizer.org, Sassbook, and TLDR This offer various summarization modes and features. For example, Summarizer.org performs abstractive summarization and offers a summary length adjuster, but these tools are generally standalone and not integrated into email clients.
Unique Features of Superhuman’s Auto Summarize
- Integration: Superhuman’s Auto Summarize is uniquely integrated into an email client, making it highly convenient for users who manage a large volume of emails.
- Real-time Updates: The summaries update instantly as new emails arrive, which is particularly useful for keeping track of ongoing conversations.
- Seamless Use: Unlike other tools that require separate activation or use, Auto Summarize is always available and does not need to be remembered.
Potential Alternatives
- For users who need to summarize longer texts or require more flexible summarization options, QuillBot or Resoomer might be better alternatives.
- If integration into an email client is not a priority, standalone tools like QuillBot, Resoomer, or Scribbr could offer more advanced summarization features.
In summary, Superhuman’s Auto Summarize excels in its integration and real-time updates within an email client, but users with broader summarization needs might find more comprehensive solutions in standalone tools like QuillBot or Resoomer.

Superhuman - Frequently Asked Questions
Here are some frequently asked questions about Superhuman’s Auto Summarize feature and other AI-driven tools, along with detailed responses:
How does Auto Summarize work in Superhuman?
Auto Summarize in Superhuman automatically generates a 1-line summary above every conversation. This summary updates instantly as new emails arrive in the thread. If you need more detail, you can hit the M key or the expand option to see a detailed summary in bullet points.How do I activate Auto Summarize in Superhuman?
To activate Auto Summarize on desktop, you need to activate Superhuman AI by pressing Cmd K (Mac) or Ctrl K (Windows), then hit i within an open conversation. On mobile, you can tap the 1-line summary above the conversation to see a detailed summary.What data is shared with OpenAI when using Superhuman AI?
When using Superhuman AI, you decide whether to opt-in. The data sent to OpenAI is not stored for more than 30 days and is not used to train their models. Superhuman has a Zero Day Data Retention agreement, ensuring your data remains private.How does Superhuman AI protect my data?
Superhuman AI has strict data protection policies. They do not log any email data, and the custom instructions sent to OpenAI do not include any email content. You can opt-out of using Superhuman AI at any time.Can I customize the summaries generated by Auto Summarize?
Currently, there is no option to customize the summaries generated by Auto Summarize. The summaries are automatically generated based on the content of the email thread. However, you can choose to see more detail by expanding the summary.How does Auto Summarize help with productivity?
Auto Summarize helps you move faster through your inbox by providing a quick overview of each conversation. This allows you to prioritize emails more efficiently and often skip reading the full email if the summary provides enough information.Is Auto Summarize available on both desktop and mobile?
Yes, Auto Summarize is available on both desktop and mobile versions of Superhuman. The process to activate it is slightly different between the two platforms, but the functionality remains the same.Can I use Auto Summarize without activating the full Superhuman AI suite?
To use Auto Summarize, you need to activate Superhuman AI. This involves opting in to the AI features, which include other tools like instant replies, scheduling, and more.How accurate are the summaries generated by Auto Summarize?
The accuracy of the summaries depends on the quality of the AI algorithms used by Superhuman. Users have reported that the summaries are generally very helpful and accurate, especially for long email chains.Can I share the summarized emails with my team?
While Auto Summarize itself does not have a direct sharing feature, Superhuman allows you to share live views of emails with your team and enable them to comment, even if they don’t use Superhuman.
Superhuman - Conclusion and Recommendation
Final Assessment of Superhuman’s Auto Summarize Feature
Superhuman’s Auto Summarize feature is a significant advancement in AI-driven email management, offering a streamlined and efficient way to handle email conversations.
Key Benefits
- Instant Summaries: The feature provides a 1-line summary above every conversation, which updates automatically as new emails arrive. This allows users to quickly grasp the essence of the discussion without needing to read through the entire email thread.
- Time-Saving: By distilling lengthy email threads into concise summaries, users can make quick decisions and take immediate action, significantly reducing the time spent on email management.
- Enhanced Productivity: Auto Summarize helps users fly through their inbox faster, making it an invaluable tool for managing inbox overload and improving overall productivity.
Who Would Benefit Most
- Busy Professionals: Individuals who handle a high volume of emails daily, such as executives, customer support agents, and managers, would greatly benefit from this feature. It helps them stay on top of multiple conversations without getting bogged down by lengthy email threads.
- Customer Support Teams: The feature is particularly useful for customer support teams, as it enables agents to quickly understand the context of a conversation, even when taking over from another agent. This reduces backtracking and allows for more efficient customer service.
Potential Limitations
- Accuracy: There is a risk that the 1-line summary might miss important context or nuances, especially in emails with multiple topics or intricate details. This could lead to misunderstandings if not managed carefully.
Overall Recommendation
Superhuman’s Auto Summarize feature is highly recommended for anyone looking to boost their email productivity. It is included in all of Superhuman’s pricing plans, starting at $25 per user per month for the Starter plan, making it accessible to a wide range of users.
How to Get Started
To start using Auto Summarize, simply reload Superhuman, open any conversation, and hit the “M” key. This will activate the feature, and all your conversations will automatically have a summary.
In summary, Superhuman’s Auto Summarize is a powerful tool that can significantly enhance email management efficiency, making it an excellent choice for those seeking to streamline their email workflow and save valuable time.