The Ruby AI Podcast

Valentino Stoll, Joe Leo

The Ruby AI Podcast explores the intersection of Ruby programming and artificial intelligence, featuring expert discussions, innovative projects, and practical insights. Join us as we interview industry leaders and developers to uncover how Ruby is shaping the future of AI.

الحلقات

  1. Contracts and Code: The Realities of AI Development

    ٢٣ سبتمبر

    Contracts and Code: The Realities of AI Development

    In this episode, Valentino Stoll and Joe Leo unpack the widening gap between headline-grabbing AI salaries and the day-to-day realities of building sustainable AI products. From sports-style contracts stuffed with equity to the true cost of running large models, they explore why incremental gains often matter more than hype. The conversation dives into the messy art of benchmarking LLMs, the fresh evaluation tools emerging in the Ruby ecosystem, and new OpenAI features that change how prompts, tools, and reasoning tokens are handled. Along the way, they weigh the business math of switching models, debate standardisation versus playful experimentation in Ruby, and highlight frameworks like RubyLLM, Phoenix, and Leva that are reshaping how developers ship AI features. Takeaways The importance of marketing oneself in the tech industry.Disparity in AI salaries reflects market demand and hype.AI contracts often include equity, complicating true value assessment.The AI race lacks clear winners, with incremental improvements across models.User experience often outweighs model efficacy in AI products.Prompt engineering is crucial for optimizing model performance.Benchmarking AI models is complex and requires tailored evaluation sets.Existing tools for AI evaluation are often insufficient for specific needs.Cost analysis is critical when choosing AI models for business.Incremental improvements in AI models may not meet user expectations. You can constrain tool outputs to specific grammars for flexibility.Asking models to think out loud can enhance tool calls.Reasoning tokens can be reused in subsequent AI calls.Evaluating AI frameworks is crucial for business decisions.Ruby's integration in AI is becoming more prominent.The AI landscape is rapidly evolving, requiring adaptability.Hype cycles can mislead developers about tool longevity.Ruby offers a unique user experience for developers.Tinkering with code fosters creativity and innovation.The playful nature of Ruby can lead to unexpected insights.

    ٤٨ من الدقائق
  2. Rails After the Robots: Chad Fowler on AI as the Next Abstraction

    ٩ سبتمبر

    Rails After the Robots: Chad Fowler on AI as the Next Abstraction

    Veteran Rubyist and investor Chad Fowler sits down with hosts Valentino Stoll and Joe Leo to unpack why generative AI is less a magic trick and more the next big layer of abstraction. From his days rewriting Wunderlist in multiple languages to today’s LLM-driven code generation, Chad explains how small, well-typed modules, strong conventions and agent-based workflows could let humans design systems while machines write the code. The trio debate Python vs. Ruby, micro-services vs. monoliths, cognitive load, runtime performance (hello Haskell & Rust) and what it will take for legacy Rails apps—and our careers—to thrive in an AI-first future. Mentioned In the Show: MountainWest Ruby Conference — Early Ruby conference where Chad delivered a keynote in 2007 about the future of Ruby. TLA+ — Formal specification language for verifying distributed systems, discussed in relation to formal verification.Quint Language — Open-source formal specification language resembling Ruby/JavaScript.OWL (Web Ontology Language) — Semantic Web language for defining ontologies, cited as inspiration for constraints.Extreme Programming Immersion (Object Mentor) — XP training course Chad attended, pairing with Kent Beck.Immutable Infrastructure — Concept Chad advocated, paired with his idea of "disposable code."Snyk — Security company that auto-generates PRs for dependency and vulnerability fixes, discussed as a precursor to agent workflows.Specification-Driven Development — You described industry momentum toward specification-driven code assistants.Claude on Rails — Obie's exploration of using Anthropic's Claude with Ruby on Rails.ESP32 Dev Kit — IoT hardware Chad experimented with, used in AI-assisted electronics projects.3D Printing with ChatGPT — General reference to AI-assisted 3D design and printing workflows.

    ٥٤ من الدقائق
  3. Evaluating LLMs with Leva

    ٢٦ أغسطس

    Evaluating LLMs with Leva

    In this episode of the Ruby AI Podcast, host Valentino Stoll talks with special guest Kieran, a prominent figure in the Ruby AI space. Kieran recently gave a talk at the San Francisco Ruby Meetup about his new gem, Leva, which focuses on LLM evaluations in Ruby. Kieran discusses his background, his passion for AI and Ruby, as well as his journey in building AI products, including his tool Cora, which helps manage email inboxes by categorizing and summarizing emails using AI. Together, Valentino and Kieran explore the process, challenges, and best practices of creating AI-driven gems and tools in Ruby, the importance of evaluations, and the fun and creative aspects of integrating AI into Ruby on Rails projects. Mentioned in the show: Kieran Klaassen – Ruby developer, creator of Cora and Leva.Leva gem – Kieran's LLM evaluation framework for Rails.Jumpstart Pro – “is the best Ruby on Rails SaaS template out there”.Stepper / Stepper Motor (workflow engine) – a “journey” with steps for background jobs.Jaccard Index – A metric for set similarity (|A∩B|/|A∪B|).LangSmith – a platform for building production-grade LLM applications.Morph LLM – The Fastest Way to Apply AI Edits (4500+ tokens/sec).Friday AI Agent – An AI-powered coding agent that handles PRs from start to finish.DSPy.rb – Framework for building AI agents and optimizing prompts.Highlights: 00:00 Introduction and Guest Welcome 00:53 Kieran's Background and AI Journey 01:20 Building AI Tools and the Leva Gem 03:47 Challenges and Best Practices in AI Development 07:16 Evaluations and Real-World Applications 07:36 Community Recognition and Adoption 12:37 Prompt Engineering and Model Testing 22:06 Leveraging AI for Workflow Optimization 28:35 Visualizing Workflows and Tools 31:44 Exploring Hybrid Orchestration Layers 33:15 Debating Deterministic Workflows vs. Agent Flows 34:28 The Fun of Experimenting with AI and Ruby 34:55 Building Gems and Learning Through Creation 40:03 The Value of Rails in AI Development 46:28 Evaluating AI Outputs and Metrics 50:40 Annotation and Continuous Improvement 53:50 Future of AI and Rails Integration 54:54 Closing Thoughts and Recommendations

    ١ من الساعات
  4. Roasting Ruby AI Workflows with Obie Fernandez

    ١٢ أغسطس

    Roasting Ruby AI Workflows with Obie Fernandez

    Ruby legend Obie Fernandez joins hosts Valentino Stoll and Joe Leo to unveil Roast—the new open-source Ruby framework for declaring reliable AI workflows—and celebrate the 1.0 release of its engine library, Raix. The trio dig into agent swarms, prompt-engineering best practices, code-base refactors, and why unleashing creativity matters more than ever in an AI-driven future." Show Notes Obie’s book — https://leanpub.com/patterns-of-application-development-using-aiRoast (GitHub) — https://github.com/Shopify/roastRoast (intro post) — https://shopify.engineering/introducing-roastRaix (core library) — https://github.com/OlympiaAI/raixRaix for Rails — https://github.com/OlympiaAI/raix-railsClaude Swarm (multi-agent YAML swarms) — https://github.com/parruda/claude-swarmClaude Squad https://github.com/smtg-ai/claude-squadClaude Code (agentic coding tool) — https://www.anthropic.com/claude-codeClaude Opus (model family) — https://www.anthropic.com/claude“Software 3.0” (Karpathy talk) — https://www.youtube.com/watch?v=LCEmiRjPEtQSuno (AI music) — https://suno.com/Olympia (AI team platform) — https://olympia.chat/“The Bitter Lesson” (R. Sutton) — https://www.incompleteideas.net/IncIdeas/BitterLesson.htmlPOODR (Sandi Metz) — https://www.poodr.com/Refactoring (Martin Fowler) — https://martinfowler.com/books/refactoring.htmlClean Code (R.C. Martin) — https://www.informit.com/store/clean-code-a-handbook-of-agile-software-craftsmanship-9780135398579Hosts & Guest on Social @thecodenamev @jleo3 @obie

    ١ س ١٧ د
  5. Active Agent with Justin Bowen

    ٧ يوليو

    Active Agent with Justin Bowen

    Seventeen-year Ruby veteran Justin Bowen joins hosts Valentino Stoll and Joe Leo to unveil Active Agent—a Rails-native framework that treats every agent like a controller and every prompt like a view, letting you weave LLMs, vector search, and business logic straight into MVC. The crew also digs into the real-world mechanics of shipping AI: defining ground-truth datasets, replay-ready evaluation harnesses, and tight retry logic that keeps hallucinations out of production. You’ll hear a candid take on the current hype cycle (and its parallels to crypto), the challenges of long-term gem maintenance, and fresh ways to keep open-source sustainable—think GitHub Sponsors, corporate grants, and pro-tier gems. What you’ll hear Active Agent 101 – agents as abstract controllers, templated prompts as viewsTesting in the wild – fingerprints, VCR cassettes & CI pipelines for non-deterministic codeContext is king – why ground truth matters when counting cows or parsing legal docsOSS meets ROI – balancing passion projects with sustainable monetisationRails vs. Python/Next.js – reclaiming the one-person startup stackCommunity fuel – Discords, hackathons, and the push for academic & corporate sponsorshipMentioned In The Show: Active Agent (GitHub)  – Justin’s Rails-native, agent-oriented framework for building AI features. Vercel AI SDK  – TypeScript toolkit whose generative-UI ideas helped inspire Active Agent. Maestra.ai  – YC W24 startup offering AI transcription, dubbing, and hosted agent runtimes.Matz's 2025 Ruby Kaigi AI Keynote ONNX Runtime Ruby  – Gem that runs ONNX models (CPU/GPU) from Ruby. PGVector gem  – Ruby bindings for PostgreSQL’s pgvector extension (embeddings storage). Neighbor gem  – k-NN / ANN vector search for Rails & Postgres—pairs nicely with PGVector.Hugging Face JS – Run models in the browser with WebGPU and ONNX  Hugging Face Spaces  – No-config platform for hosting ML demos; handy for sharing agent prototypes. LangSmith (LangChain)  – Evaluation & observability service discussed as a monetization model. CrewAI (GitHub)  – Python framework for orchestrating multi-agent “crews”; Joe’s current go-to. Honeybadger  – Rails-first error-monitoring SaaS—an inspiration for future Active Agent services.Rising Impact – A Netflix anime special about a third-grader's journey to be the world's best golfer. Osmo AI  – Google-born startup using AI to digitise smell—cited in the show’s “AI hype” chat. Ruby AI Builders Discord  – Public Discord community for Rubyists building AI apps.

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  6. Sublayer and Artificial Ruby with Scott Werner

    ١٠ يونيو

    Sublayer and Artificial Ruby with Scott Werner

    Scott Werner—author of the Works on My Machine newsletter and creator of the Sublayer AI-agent framework—joins Valentino and Joe for a fast-moving conversation on how Rubyists are bending large-language models to their will. We unpack Sublayer’s “generators + actions” architecture, the delightfully chaotic Monkey’s Paw prompt-driven web framework, and Phoenix’s AI-generated test suites, all while debating what remains uniquely human in an age of code that writes itself. If you care about Ruby, rapid prototyping, and staying sane as models ship weekly, this one’s for you. Show Notes Meet Scott Werner – from early Rails days to Works on My Machine and the Artificial Ruby meetup scene. Inside Sublayer – why “string-in → string-out” thinking led to Generators, Actions, and the idea of promptable architecture for code that assembles itself.Monkey’s Paw – a Ruby gem where Markdown “wishes” become full web pages via an LLM—hallucinations welcome.Blueprints & Semantic Linting – templated agent blueprints now built into Sublayer and text-based rules that keep AI code reviews on-message.Phoenix.love – Joe’s Rails-centric tool that churns out thousands of AI-generated tests and the ops pain (alerts, idle “vibe-waiting”) that follows.Feedback Loops & Human Taste – why Paul McCartney’s Get Back jam session is the right metaphor for iterating with an LLM collaborator. When the Model Eats Your Product – surviving weekly model upgrades, function-calling APIs, and the temptation to rebuild everything (again).Ruby’s Next Act – AI-inspired namespacing proposals, Ractors explained, and why dynamic languages still win the “unknown unknowns.”Show-and-Tell PicksScott: TLDraw for visual AI pipelines. Valentino: “AI Software Architect” markdown blue-prints. Joe: “Demystifying Ruby” blog series on threads, fibers & ractors. Referenced URLs Sublayer – https://sublayer.comSublayer (GitHub) – https://github.com/sublayerapp/sublayerMonkey’s Paw (GitHub) – https://github.com/sublayerapp/monkeyspawPhoenix – https://phoenix.loveWorks on My Machine newsletter – https://worksonmymachine.substack.comTLDraw – https://tldraw.com--- 00:00 Introduction to Ruby and AI 02:04 Scott's Journey with Ruby and AI 04:41 The Evolution of Programming Languages 06:38 The Ruby Community's Impact on Software Engineering 08:43 Monkey's Paw: A New Approach to Web Development 10:35 AI's Role in Creative Processes 11:30 Collaboration with AI in Software Development 14:50 The Future of Software Development 17:24 The Impact of AI on Customer Feedback 20:24 Navigating the Rapid Changes in Software Products 22:51 Understanding User Feedback in AI Development 24:53 The Human Element in AI Collaboration 28:20 Prototyping with AI Tools 30:18 The Evolving Roles in Teams 31:43 Sublayer Tech: Innovations and Frameworks 34:36 Blueprints and Code Generation 37:14 Navigating Existential Dread in AI Development 40:15 The Future of AI and Product Development 44:12 Community and Collaboration in Tech 47:08 Monitoring AI Processes 50:19 The Importance of Orchestration 52:03 Final Thoughts and Recommendations

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  7. Beyond Chat: Phoenix Tests, Ruby Agents & the AI Tipping Point

    ٢٨ مايو

    Beyond Chat: Phoenix Tests, Ruby Agents & the AI Tipping Point

    Valentino Stoll and co-host Joe Leo kick off The Ruby AI Podcast with a candid deep-dive into what it really takes to ship AI-powered products in Ruby today. From the origin story of Joe’s test-writing automation platform Phoenix to the surge of new Ruby-first agent libraries, the duo explore why the community is approaching a tipping point, how to escape “chat-bot-only” thinking, and where reactive, evaluation-driven tooling is headed next. Along the way they trade war stories about semver mishaps, code-review “LLM tells,” and the projects, meet-ups, and conferences that keep the Ruby-AI scene buzzing. Takeaways The Ruby AI community is growing and offers valuable networking opportunities.Ruby's syntax is well-suited for AI applications, making it a fun choice for developers.Generative AI tools can increase productivity but also add cognitive burden to developers.The integration of AI tools in Ruby applications presents unique challenges.Developers are relearning how to program with the advent of generative AI.AI frameworks are evolving, and Ruby developers need to stay updated.The importance of evaluating AI tools and their effectiveness in real-world applications.Ruby's flexibility allows for creative solutions in AI development.The future of AI in software development will require continuous adaptation.Emerging AI frameworks in Ruby are promising but require careful evaluation. Referenced In The Show Phoenix by DefMethod – https://www.phoenix.love/OpenAI Ruby SDK – https://github.com/openai/openai-rubySublayer – https://github.com/sublayerapp/sublayerCrewAI – https://github.com/crewAIInc/crewAIActive Agent – https://github.com/activeagents/activeagentRaix – https://github.com/OlympiaAI/raixShopify Roast – https://github.com/Shopify/roastLangChain.rb – https://github.com/patterns-ai-core/langchainrbHugging Face smolagents – https://huggingface.co/docs/smolagents/indexBuilding Code Agents with Hugging Face smolagents – https://www.deeplearning.ai/short-courses/building-code-agents-with-hugging-face-smolagents/V's side project, NowReading.dev – https://nowreading.dev

    ٥٣ من الدقائق
  8. Trailer: The Ruby AI Podcast

    مقطع ترويجي للحلقة ١ من الموسم ١

    Trailer: The Ruby AI Podcast

    In this episode of the Ruby AI podcast, hosts Landon and Valentino discuss the exciting developments in the Ruby AI community. They explore three key gems: Ruby OpenAI, Raix, and Langchain.rb, highlighting their features, use cases, and the importance of evaluation methodologies like RAGAS in AI systems. The conversation emphasizes the collaborative spirit of the Ruby AI community and the potential for innovation in AI applications using Ruby. Takeaways The Ruby AI community is vibrant and growing.Ruby OpenAI is essential for integrating OpenAI's capabilities.Raix gem offers an object-oriented approach to AI in Ruby.Langchain RB normalizes AI provider integrations in Ruby.RAGAS provides a framework for evaluating AI outputs.Community engagement is crucial for Ruby AI's growth.Documentation is key for developers using these gems.Collaboration among developers enhances innovation.AI systems require robust evaluation methodologies.Ruby is at the forefront of AI development.Sound Bites "This is gonna be really exciting.""Join the Ruby AI Builders Discord.""There's so much cool stuff out there."

    ١٥ من الدقائق

مقطع ترويجي

حول

The Ruby AI Podcast explores the intersection of Ruby programming and artificial intelligence, featuring expert discussions, innovative projects, and practical insights. Join us as we interview industry leaders and developers to uncover how Ruby is shaping the future of AI.

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  • صناع العمل
    Valentino Stoll, Joe Leo
  • سنوات النشاط
    ٢٠٢٥
  • الحلقات
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  • التقييم
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    © 2025 The Ruby AI Podcast
  • موقع البرنامج على الويب
    The Ruby AI Podcast

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