Gemini 3 Hype, GPT 5.1 Updates, & The Future of Custom GPTs

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Nov 18, 2025

Brian and Beth dive into the exciting advancements of Gemini 3 and GPT 5.1. With leaks suggesting Google might surpass OpenAI in model quality, the conversation heats up. They unpack the muddled waters of low-cost training claims, switching costs, and the impact of updates on custom GPTs. GPT 5.1 promises clearer outputs but is already breaking some setups. Plus, the rise of Sakana AI showcases Japan's own AI prowess. Expectations for Apple’s Siri to improve through Gemini integration hint at a competitive edge in the AI ecosystem.

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INSIGHT

Google May Leapfrog OpenAI

Gemini 3 could make Google the first clear leader in model quality if leaks hold up.
That shift would change the competitive landscape beyond mere benchmark scores.

INSIGHT

Benchmarks No Longer Tell The Full Story

Benchmarks are saturated and easily manipulated, so leaderboard wins can be misleading.
Real workflow testing matters more than short-lived published scores.

ADVICE

Read The 5.1 Cookbook First

Read the 5.1 cookbook to learn practical changes and best practices for prompt design.
Use the cookbook to adapt custom GPTs before rolling updates to users.

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Brian and Beth opened the week talking about post-travel exhaustion, holiday timing, and the usual Monday scramble before diving into the fast-moving AI news cycle. They framed the episode around two big topics: Gemini 3 and GPT 5.1, both expected to shape the competitive landscape going into the end of the year.

Key Points Discussed

Gemini 3 hype grows as leaks point to a major leap over 2.5 Pro.

Nate Jones claims Google may take the top spot for model quality for the first time.

Benchmark saturation makes performance harder to judge, so real workflow testing now matters more.

Concerns rise about switching costs as models continue to leapfrog each other.

Discussion on Kimi, DeepSeek, and recycled media hype around “low cost” training claims.

GPT 5.1 rollout improves instruction following and reduces jargon, but shifts may break existing custom GPT setups.

Issues with user preferences, model selection, and memory overriding developer-built instructions.

Prediction that custom GPTs and Gems may evolve into more structured, code-like agents built through vibe-coding style interfaces.

Exploration of how ecosystems (Google, Microsoft, OpenAI) may soon matter more than the standalone model.

Sakana AI becomes the most valuable private company in Japan.

Reflection on how quickly the AI industry has changed public visibility for figures like Jensen Huang.

Conversation on enterprise-grade update cycles and the future of agent maintenance.

Apple expected to benefit from Gemini integration as Siri gets significantly stronger with minimal user friction.

Timestamps & Topics

00:00:00 💡 Monday kickoff and holiday timing

00:03:07 🤖 Gemini 3 expectations and early leaks

00:05:49 🔍 Google catching OpenAI for the first time

00:08:02 🧪 Benchmark saturation and real-world testing

00:10:16 🔄 Switching fatigue and user lock-in

00:11:22 📉 Kimi, DeepSeek, and misleading training cost narratives

00:15:15 ⚙️ GPT 5.1 updates and instruction-following improvements

00:18:12 🧩 Problems with custom GPT triggers and file handling

00:19:41 🔧 Skill-building workflows with Claude vs GPT 5.1

00:22:56 🔗 Tool clutter and connector issues in ChatGPT

00:23:28 🧠 Google Gemini integrations and AI Studio

00:24:57 🃏 Gemini 3 hype and online exaggerations

00:27:22 🧬 Microsoft’s superintelligence lab and safety stance

00:28:10 👤 Public persona shifts in the AI industry

00:33:17 🚀 Sakana AI becomes Japan’s highest-valued private company

00:37:25 🧠 Future of custom GPTs and vibe-coded agent systems

00:43:04 🔐 Persistent memory challenges for developer-built tools

00:52:40 🗂️ Agent-based onboarding and learning systems

00:55:07 🌐 Full-ecosystem advantage for Google

00:56:53 📱 Apple expected to benefit from Gemini-powered Siri

01:00:02 🧩 The real competition is the ecosystem, not the model

01:01:14 🏁 Wrap-up and after-show banter

The Daily AI Show Co-Hosts: Andy Halliday, Beth Lyons, Brian Maucere, Eran Malloch, Jyunmi Hatcher, and Karl Yeh