GPT-5.5 is your new default. Here is what changed.

#3 ChatGPT sidebar lands in Excel and Google Sheets

Build trackers, formulas, multi-tab scenarios, and data cleaning rules in plain English -- without leaving your spreadsheet. Available now via the Microsoft and Google Workspace marketplaces.

Executive angle: Solve context-switching for spreadsheet-related AI tasks.

Read more ->

#4 Perplexity launches real-time earnings call analyzer

Upload a transcript or paste a link. Get a 90-second executive summary plus red-flag extraction and competitor mention tracking. Free tier: 5 uses per day. Pro: unlimited. (May 3)

Executive angle: Quickly extract executive summaries and red flags from earnings calls.

Read more ->

#5 xAI Grok-3.5 Turbo API rate limits doubled

2x higher requests per minute and tokens per minute for the same price. Useful for high-volume customer support and internal tool deployments. Live in the API console now. (May 4)

Executive angle: Improve efficiency for high-volume customer support and internal tools.

Read more ->

02 / Top AI Updates | 3 Deep Dives

# 01 / 03

GPT-5.5 Instant Is Now Your Default Model

OpenAI replaced GPT-5.3 Instant with GPT-5.5 Instant as the ChatGPT default on May 5. No announcement banner. No settings change. It is simply running in the background of every conversation you have from today forward.

Business Impact

Eliminates: factual reliability issues, overly long responses, weak STEM handling

Time back: 22% shorter responses on average without losing content

Best for: every ChatGPT user on every tier, especially for STEM and numerical reasoning tasks

Executive Action Steps

• 1. Understand GPT-5.5 Instant is now your default model.
• 2. Note factual reliability is up 31% on recent-data tasks.
• 3. Recognize responses are 22% shorter without content loss.
• 4. Audit workarounds built for GPT-5.3 limitations, most no longer apply.

Why it matters: The update significantly improves factual accuracy, conciseness, and specialized reasoning for all users, making previous workarounds obsolete.

Deep dive: OpenAI GPT-5.5 Instant Is Now Your Default Model ->

# 02 / 03

ChatGPT Memory Sources Are Now Editable

ChatGPT's personalization system has always pulled from three sources: your chat history, your Gmail (if connected), and your uploaded files. Until now, you had no visibility into what it was actually pulling -- or any way to remove the inputs that were making responses subtly wrong.

Business Impact

Eliminates: personalization drift, subtly wrong responses from outdated inputs

Time back: 10 minutes of cleanup now means every subsequent conversation starts from an accurate baseline

Best for: executives who have been using ChatGPT for months and need to clean up accumulated context

Executive Action Steps

• 1. Access the new memory sources panel on web (Plus and Pro users).
• 2. View all active memory sources with timestamps.
• 3. Correct, delete, or mark irrelevant outdated inputs.
• 4. Establish an accurate baseline for all future conversations.

Why it matters: This feature allows executives to finally clean up accumulated context, ensuring ChatGPT's personalization is accurate and relevant to their current roles and projects.

Deep dive: ChatGPT Memory Sources Are Now Editable ->

# 03 / 03

OpenAI launched a native ChatGPT sidebar for both Microsoft Excel and Google Sheets on May 5. The sidebar reads your current spreadsheet in real time, writes formulas in context, creates new tabs, applies conditional formatting, and explains every step -- all in response to plain English descriptions.

Business Impact

Eliminates: context-switching between ChatGPT and spreadsheet, manual formula writing

Time back: Speeds up building trackers, running scenario analysis, and cleaning data.

Best for: anyone building trackers, running pricing analysis, or cleaning CRM/accounting data in spreadsheets

Executive Action Steps

• 1. Install the ChatGPT sidebar from Microsoft or Google Workspace marketplaces.
• 2. Use plain English to describe desired spreadsheet tasks.
• 3. Build trackers, formulas, and multi-tab scenarios directly in-app.
• 4. Leverage it for data cleaning and categorization without leaving the sheet.

Why it matters: The native sidebar solves the context-switching problem for spreadsheet tasks, allowing executives to build complex financial models and data workflows in plain English directly within Excel or Google Sheets.

Deep dive: ChatGPT Is Now Inside Excel and Google Sheets ->

03 / Pro Tip

The 90-Second Competitor Brief

Tools: GPT-5.5 Instant, Claude | Time: 90 seconds | Level: Intermediate

Get a formatted SWOT analysis and 3 immediately actionable competitive responses by prompting GPT-5.5 Instant or Claude with a competitor's name and industry. The key is to restrict the model to credible sources from the last 30 days.

The Prompt

Why it works: The 30-day restriction is crucial for surfacing current, actionable intelligence like pricing changes, leadership departures, and customer signals, avoiding outdated information.

Best for: Executives needing rapid, up-to-date competitive intelligence for strategic decision-making.

Deep dive: The 90-Second Competitor Brief ->

04 / Productivity Gem

One-Click Weekly Revenue Tracker in Google Sheets

Tools: ChatGPT Google Sheets Sidebar | Saved: Hours per week

Use the new ChatGPT sidebar in Google Sheets to build a live P&L tracker with week-over-week variance formulas and red-green conditional formatting. Complete the entire setup in a single 15-minute conversation, no formula syntax required.

• 1. Describe the desired data entry tab structure in plain English.
• 2. Ask for variance columns and conditional formatting.
• 3. Request a summary tab with a 4-week rolling average.
• 4. Build a scenario planning tab for projections.

The Prompt

Time savings: Automates complex spreadsheet setup, eliminating manual formula creation and saving hours of setup and maintenance.

Deep dive: One-Click Weekly Revenue Tracker in Google Sheets ->

05 / Health Tip

Summer Hydration Protocol From Your Body Data

Tools: Apple Watch, Claude/ChatGPT

Build a personalized summer hydration protocol using your Apple Watch data (sweat rate, activity load, resting heart rate), caffeine intake, and upcoming travel schedule. Generic advice fails; custom data creates accuracy.

• 1. Export relevant data from your iPhone Health app.
• 2. Combine data with caffeine intake and travel schedule.
• 3. Use AI to generate daily water and electrolyte targets.
• 4. Receive a 7-day heat acclimatization ramp if traveling to hot climates.

The Prompt

This is not medical advice. Consult a qualified healthcare professional before making changes to your health routine.

Deep dive ->

06 / Kids Tip | Ages 8-14