Leveling Up with Eric Siu 6 INSANE ChatGPT-5 Use Cases to Grow Your Business
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Sep 17, 2025 Explore how ChatGPT-5 is revolutionizing business with six transformative use cases. Discover autonomous agents for travel planning and deep research capabilities. Learn to integrate it with live tools for automation and create specialized sub-agents tailored to finance and SEO. Find out how to build custom AI teammates for seamless onboarding and training. These insights highlight the opportunities that can elevate your marketing campaigns and streamline operations.
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Autonomous Travel Booking Demo
- Eric Siu demonstrates using an autonomous ChatGPT-5 agent to search flights and hotels and potentially complete bookings for a trip to Austin.
- He lets the agent run, answers quick consent prompts, and shows it can handle multi-step travel planning without constant manual work.
AI As An Autonomous Deep Researcher
- Deep research with ChatGPT-5 acts as an autonomous analyst that consolidates insights across many sources into one report.
- Eric says this speeds decision-making and compounds value for businesses over time.
Massive Context Windows Unlock Big Docs
- ChatGPT-5 supports much larger context windows (up to 256,000 tokens) so it can absorb hundreds of pages and complex documents in one chat.
- This unlocks summarization, comparison, and interpretation of large legal and process documents previously impossible in earlier models.