Side-by-side comparison · Updated April 2026
| Description | ChatGPTServices.app provides a revolutionary Gmail add-on powered by OpenAI's GPT-4 technology. This tool significantly enhances email communication by generating smart email responses, summarizing emails, translating messages in 13 languages, and improving grammar and wording. Additionally, it offers real-time support within Gmail and includes comprehensive text analysis to detect sarcasm, harassment, discrimination, ethical issues, and sensitive topics. | The ChatGPT Add-in for Outlook is a powerful tool that seamlessly integrates ChatGPT into your Microsoft Outlook experience. It allows users to create custom prompts to guide ChatGPT in generating relevant summaries or highlights based on their needs. The add-in also enables users to process entire emails or specific parts and display the output in separate windows for easy comparison. Users can manage multiple configurations for different emails or scenarios, ensuring customized interactions with each email. Additionally, the tool supports team rollouts and custom versions tailored for specific use cases. |
| Category | Email Writing | Email Writing |
| Rating | No reviews | No reviews |
| Pricing | N/A | Free |
| Starting Price | N/A | Free |
| Plans | — |
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| Tags | GmailemailOpenAIGPT-4communication | ChatGPT Add-inOutlookMicrosoftemailsummary |
| Features | ||
| Generate Smart Email Responses | ||
| Improve & Enhance Emails | ||
| Quick Email Summaries | ||
| Instant Access to ChatGPT Expertise | ||
| Seamless Translation in 13 Languages | ||
| Comprehensive Text Analysis & Detection | ||
| Integration with Microsoft 365 | ||
| Custom prompts for tailored output | ||
| Email body, subject, and attachment processing | ||
| Separate window for output display | ||
| Automated importance flagging | ||
| Multiple configurations management | ||
| Team rollout and custom version support | ||
| Detailed summaries and highlights generation | ||
| Multiple scenario handling | ||
| Automated email response suggestions | ||
| View Klart AI | View ChatGPT Outlook Plugin | |
Explore more head-to-head comparisons with Klart AI and ChatGPT Outlook Plugin.