Gemini in Gmail Side Panel: The AI Assistant Transforming Your Email Workflow.

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1. Overview of Gemini Integration in Gmail (Side Panel)

Gemini is far more than a standalone chatbot; when integrated into the Gmail Side Panel, it becomes an intelligent AI layer that operates seamlessly alongside your workflow.

• Prime Real Estate: Located right on the right side of the Gmail interface (the sparkling star icon), it allows you to interact with AI without switching tabs or leaving your inbox.
• Contextual Awareness: Gemini’s greatest strength here is its ability to “read” the content of the email you are currently viewing or scan through thousands of emails in your inbox to retrieve precise information.
• Advanced Processing Power: Powered by Google’s most sophisticated Large Language Model (LLM)—Gemini 1.5 Pro—it handles vast amounts of data with high accuracy and natural language responses.
• Personalization: Gemini understands your habits and connections within the Google Workspace ecosystem to provide the most relevant assistance.

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2. Key Applications of the Gemini Side Panel

Despite its immense power, Gemini in Gmail focuses on optimizing those “small but exhausting” tasks that clutter your workday:

• Email Thread Summarization: Quickly grasp the core content of lengthy email chains with multiple participants in just a few concise bullet points.
• Intelligent Information Retrieval: Ask questions about data buried deep in your inbox (e.g., “What is my flight confirmation code for next week?” or “Has Company A sent the quotation yet?”).
• Drafting and Replying: Get suggestions for quick replies or generate entire drafts for new emails based on brief prompts.
• Data Synchronization: Effortlessly extract information from emails to create Calendar events or save details to Google Drive in one smooth motion.

3. REAL-WORLD APPLICATION: POST-EXPO WORKFLOW OPTIMIZATION

The Scenario

After attending a major Industrial Expo 2026 in Hanoi, I returned with a massive influx of potential leads and new supplier contacts. Within just a few days post-event, my inbox was flooded with various complex email threads, including:

• Inbound Leads: Emails from potential clients requesting formal quotations, technical specifications, and delivery lead times.
• Supplier Proposals: Emails from vendors providing wholesale pricing, shipping terms, and warranty policies.
• Internal Coordination: Back-and-forth emails with team members to delegate tasks and track project progress.

To manage this overwhelming volume of data efficiently, I utilized Gemini in the Gmail Side Panel to automate information extraction, compare vendors, and streamline my response process.

Task 1: Extract information from email threads

Prompt used:

Extract from emails and attachments:
- delivery date
- delivery location
- price
- requested documents
- next action owner

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Result

The results show that Gemini was able to:

Task 2: Vendor Comparison (Data Extraction from Multi-Product Email)

Prompt used:

Extract for each product:
- product name
- quantity
- price
- delivery date
- delivery location
- requested documents

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Result

Task 3: Automated Email Drafting Based on Next Action

Use Gemini in Gmail to:

• Identify the next action from email threads
• Automatically draft a follow-up / confirmation email
• Ensure the content is based on actual data (no hallucination)

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Prompt used

Based on the extracted information from the email threads:- next action: meeting
- date: April 10, 2026
- location: Hanoi (My Dinh office)Draft a follow-up email to confirm the meeting with the client.The email should:
- confirm date and location
- be professional
- include a short agenda
- not add any information that is not in the email threads

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Result

Gemini was able to:

• ✔️ Identify the next action (meeting on April 10, 2026 in Hanoi)
• ✔️ Automatically draft a complete confirmation email
• ✔️ Ensure the content strictly follows the information from the email threads (no inaccuracies)

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Limitation

• Gemini cannot automatically send emails; it can only generate a draft

Task 4: Evaluate the ability to access Map and Website links

Prompt used

Access the following links and extract verified information:1. Google Maps link:
- provide the exact address
- provide the location name2. Company website:
- company name
- company description
- main products or services
- location (if mentioned)If you cannot access the link content, clearly state the limitation instead of guessing.

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Result

The results show that Gemini was able to:

✔️ Correctly identify the type of links

• Google Maps → company address
• Website → business information

✔️ Extract detailed information

• Exact address: FLC Landmark Tower, Hanoi
• Company name: Scuti AI
• Business field: Generative AI, Software Development

✔️ Summarize website content effectively

• Included company description
• Listed main services
• Identified company mission

This demonstrates that:
Gemini has the ability to aggregate information from multiple sources (map and website) effectively in some cases.

Task 5: Evaluate Gemini’s ability to read email attachments

📌 Prompt used

Compare Vendor A and Vendor B using the attached Vendor_Comparison.xlsx and email content.Extract:
- price
- lead time
- warrantyThen:
1. Present the comparison in a table
2. Analyze pros and cons of each vendor
3. Recommend the better option based on price vs delivery speed vs warranty

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Limitations Identified

• Unable to access the content of the attached Excel file
• Could not extract:
  • Price
  • Lead time
  • Warranty
• Unable to generate a comparison table

This indicates that Gemini’s ability to process email attachments (especially Excel files) is limited and not always reliable.