Rubber Duck Radio

RAG Isn't Dead, You're Just New Here

In this episode, Tim and Paul dismantle popular 'RAG is dead' and 'MCP is over' hot takes, revealing what these declarations actually say about the author's place on the AI learning curve. They explore the overlooked depth of retrieval-augmented generation and model context protocol, weigh CLI-first agent workflows against structured tool use, and share practical tips like using tmux as an agent dashboard. The takeaway: every tool has limits, but declaring a paradigm dead often means you've stopped learning—and there's a smarter way forward.

AI's Demos vs. Dev Reality: The Bill Is Coming Due

Tim and Paul dissect the real story behind Anthropic's locked-down Claude Mythos and OpenAI's public GPT-5.5 release, hint: it's about compute, not danger. They expose the coming end of AI's VC-subsidized era, where users burn $8 in compute for every $1 subscription, and why investors betting on AGI magic are ignoring what developers see daily: useful tools that still hit a hard ceiling. Tune in for a reality check on the gap between the sizzle reel and the merge conflict.

Where Open Source LLMs Are Actually Ahead

Open source LLMs just hit a stunning milestone: Kimi K2.6 tied GPT-5.5 on the industry's toughest coding benchmark — and costs a fraction of the price to run. But this episode goes beyond the headlines to unpack where open source models still trail proprietary ones, why the new Temporal API is finally fixing JavaScript's 30-year date nightmare, and a growing concern that AI-driven development and the trend toward closed-source licensing could starve the open source commons that made all of this innovation possible in the first place. From production AI economics to the future of web framework innovation, Tim and Paul explore what the numbers actually mean for developers building real systems today.

GPT-5.5 vs Reality: Do Benchmarks Lie?

Tim and Paul dissect the GPT-5.5 launch, weighing state-of-the-art benchmarks against real-world user vibes and token efficiency to determine if the upgrade is truly worth the increased cost for developers building production workloads at scale. They also unpack the groundbreaking HTML-in-Canvas proposal that promises to bridge the DOM and canvas rendering gap, unlocking new possibilities for accessibility, interactive web graphics, and shader-driven transitions without fragile hacks. Finally, Tim reveals exclusive results from a unique creative AI benchmark testing model taste and planning, exposing surprising winners beyond standard leaderboards and proving that real-world performance often diverges significantly from the spec sheet while highlighting which models possess the creative judgment required for complex multi-step tasks without hand-holding.

The Bar Has Moved: Junior Dev Survival Guide in the Age of AI

Entry-level tech hiring is down 25%, but opportunity isn't dead—it's evolved. In this episode, Tim and Paul break down what's actually working for junior developers in 2026. We cover: the Claude Opus 4.7 backlash and what it teaches us about AI limitations, why "slop PRs" are flooding open source and how to stand out instead, where developers are actually finding jobs now (hint: it's not LinkedIn), and the portfolio projects that still impress hiring managers. Plus, we share what we're looking for when we hire: the technical skills, stakeholder management, and critical thinking that AI can't replace. If you're breaking into tech, building your portfolio, or hiring your first junior dev—this episode is for you.