Frontend Sep 18, 2025

GPT-5 for Developers

In this talk, we’ll explore the capabilities of the recently released GPT-5 model family from OpenAI. Learn about new function calling techniques, prompting best practices, and more to get the most out of this model.

00:00 - Introduction & Speaker Background 00:47 - Overview: GPT-5 and Practical Guide 01:47 - Tip 1: Effort & Verbosity (Next Level by ESPA) 04:53 - Tip 2: Chain of Thought & Managing Context (Lisa) 07:05 - Using Conversations & Previous Response ID 09:05 - Tip 3: Tool Usage (Hot Sauce by Baby Monster) 10:44 - Built-in Tools: Web Search & Remote MCP Servers 11:42 - Custom Tools & Context-Free Grammars 14:36 - Asynchronous Responses & Background Tasks 16:53 - Webhooks & Real-Time Event Handling 17:48 - Tip 4: Prompting Best Practices (K-pop Demon Hunters) 18:38 - Avoiding Conflicting Information & Precision 20:06 - Prompt Formatting & Grouping Information 21:01 - Planning & Steering Tool Usage 21:59 - Further Resources: Prompting Guide & Optimizer 23:07 - Recap & Closing Thoughts 23:31 - Bonus K-pop Recommendation (Gnarly by Cat’s Eye) 23:57 - Thank You & Q&A