Gradient Dissent: Conversations on AI

Lukas Biewald
  • 5,0 (13)
  • TECHNOLOGIE
  • ZWEIWÖCHENTLICH

Join Lukas Biewald on Gradient Dissent, an AI-focused podcast brought to you by Weights & Biases. Dive into fascinating conversations with industry giants from NVIDIA, Meta, Google, Lyft, OpenAI, and more. Explore the cutting-edge of AI and learn the intricacies of bringing models into production.

  1. The $64M Bet on an AI That Has to Be Right | Carina Hong, CEO of Axiom

    5. FEB.

    The $64M Bet on an AI That Has to Be Right | Carina Hong, CEO of Axiom

    Formal verification already consumes years of human effort. In this episode, Lukas Biewald talks with Carina Hong, Founder & CEO of Axiom, about why verification is becoming the real bottleneck in high stakes AI systems. They discuss how Axiom uses AI to take on the tedious checking that stretches verification cycles across years, starting with formal mathematics and extending to hardware and software. Carina also explains why Axiom’s approach to auto-formalization mirrors spec driven models like Kiro from AWS. Connect with us here: Carina Hong: https://www.linkedin.com/in/carina-hong/ Axiom: https://www.linkedin.com/company/axiommath/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/

    51 Min.
  2. What a $42B Software Co. Really Spends on AI Tools

    20. JAN.

    What a $42B Software Co. Really Spends on AI Tools

    “I don't worry about being replaced by AI. I worry about being replaced by someone who's really good at using AI.” Atlassian has 10,000+ engineers currently split-testing the world’s top AI coding tools, from GitHub Copilot and Cursor to Claude Code. In this episode, Co-Founder & CEO Mike Cannon-Brookes joins Lukas Biewald to share what their data reveals about the world's best AI tools today. Hear how 24 years of building a tech giant and a massive internal study on AI productivity have shaped Mike's vision for the future of dev jobs. Connect with us here: Mike Cannon-Brookes: https://www.linkedin.com/in/mcannonbrookes/?originalSubdomain=au Atlassian: https://www.linkedin.com/company/atlassian/?viewAsMember=true Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/ 00:00 Trailer 01:08 Introduction 03:11 Connecting Technology and Business Teams 07:22 The Impact of AI on Business Workflows 13:26 Developer Productivity and AI 21:03 Measuring Developer Efficiency 25:41 Future of AI in Development 34:59 Legacy Technology and Code Changes 39:29 AI's Role in Developer Productivity 47:40 AI and Junior Developers 52:30 Product-Led Growth and Business Strategy 01:00:29 Core Metrics for Sustainable Growth 01:06:56 Staying Creative in the Tech Industry

    1 Std. 8 Min.
  3. Inside the $41B AI Cloud Challenging Big Tech | CoreWeave SVP

    6. JAN.

    Inside the $41B AI Cloud Challenging Big Tech | CoreWeave SVP

    The future of AI training is shaped by one constraint: keeping GPUs fed. In this episode, Lukas Biewald talks with CoreWeave SVP Corey Sanders about why general-purpose clouds start to break down under large-scale AI workloads. According to Corey, the industry is shifting toward a "Neo Cloud" model to handle the unique demands of modern models. They dive into the hardware and software stack required to maximize GPU utilization and achieve high goodput. Corey’s conclusion is clear: AI demands specialization. Connect with us here: Corey Sanders: https://www.linkedin.com/in/corey-sanders-842b72/ CoreWeave: https://www.linkedin.com/company/coreweave/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/ (00:00) Trailer (00:57) Introduction (02:51) The Evolution of AI Workloads (06:22) Core Weave's Technological Innovations (13:58) Customer Engagement and Future Prospects (28:49) Comparing Cloud Approaches (33:50) Balancing Executive Roles and Hands-On Projects (46:44) Product Development and Customer Feedback

    53 Min.
  4. Why Physical AI Needed a Completely New Data Stack

    16.12.2025

    Why Physical AI Needed a Completely New Data Stack

    The future of AI is physical.  In this episode, Lukas Biewald talks to Nikolaus West, CEO of Rerun, about why the breakthrough required to get AI out of the lab and into the messy real world is blocked by poor data tooling.  Nikolaus explains how Rerun solved this by adopting an Entity Component System (ECS), a data model built for games, to handle complex, multimodal, time-aware sensor data. This is the technology that makes solving previously impossible tasks, like flexible manipulation, suddenly feel "boring."  Connect with us here:  Nikolaus West: https://www.linkedin.com/in/nikolauswest/ Rerun: https://www.linkedin.com/company/rerun-io/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/

    1 Std. 1 Min.
  5. The Engineering Behind the World’s Most Advanced Video AI

    01.12.2025

    The Engineering Behind the World’s Most Advanced Video AI

    Is video AI a viable path toward AGI?  Runway ML founder Cristóbal Valenzuela joins Lukas Biewald just after Gen 4.5 reached the #1 position on the Video Arena Leaderboard, according to community voting on Artificial Analysis.  Lukas examines how a focused research team at Runway outpaced much larger organizations like Google and Meta in one of the most compute-intensive areas of machine learning. Cristóbal breaks down the architecture behind Gen 4.5 and explains the role of “taste” in model development. He details the engineering improvements in motion and camera control that solve long-standing issues like the restrictive “tripod look,” and shares why video models are starting to function as simulation engines with applications beyond media generation. Connect with us here: Cristóbal Valenzuela: https://www.linkedin.com/in/cvalenzuelabRunway: https://www.linkedin.com/company/runwayml/Lukas Biewald: https://www.linkedin.com/in/lbiewald/Weights & Biases: https://www.linkedin.com/company/wandb/

    15 Min.
  6. The CEO Behind the Fastest-Growing AI Inference Company | Tuhin Srivastava

    18.11.2025

    The CEO Behind the Fastest-Growing AI Inference Company | Tuhin Srivastava

    In this episode of Gradient Dissent, Lukas Biewald talks with Tuhin Srivastava, CEO and founder of Baseten, one of the fastest-growing companies in the AI inference ecosystem. Tuhin shares the real story behind Baseten’s rise and how the market finally aligned with the infrastructure they’d spent years building. They get into the core challenges of modern inference, including why dedicated deployments matter, how runtime and infrastructure bottlenecks stack up, and what makes serving large models fundamentally different from smaller ones. Tuhin also explains how vLLM, TensorRT-LLM, and SGLang differ in practice, what it takes to tune workloads for new chips like the B200, and why reliability becomes harder as systems scale.  The conversation dives into company-building, from killing product lines to avoiding premature scaling while navigating a market that shifts every few weeks. Connect with us here:  Tuhin Srivastva: https://www.linkedin.com/in/tuhin-srivastava/  Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/

    59 Min.
  7. The Startup Powering The Data Behind AGI

    16.09.2025

    The Startup Powering The Data Behind AGI

    In this episode of Gradient Dissent, Lukas Biewald talks with the CEO & founder of Surge AI, the billion-dollar company quietly powering the next generation of frontier LLMs. They discuss Surge's origin story, why traditional data labeling is broken, and how their research-focused approach is reshaping how models are trained. You’ll hear why inter-annotator agreement fails in high-complexity tasks like poetry and math, why synthetic data is often overrated, and how Surge builds rich RL environments to stress-test agentic reasoning. They also go deep on what kinds of data will be critical to future progress in AI—from scientific discovery to multimodal reasoning and personalized alignment. It’s a rare, behind-the-scenes look into the world of high-quality data generation at scale—straight from the team most frontier labs trust to get it right. Timestamps: 00:00 – Intro: Who is Edwin Chen? 03:40 – The problem with early data labeling systems 06:20 – Search ranking, clickbait, and product principles 10:05 – Why Surge focused on high-skill, high-quality labeling 13:50 – From Craigslist workers to a billion-dollar business 16:40 – Scaling without funding and avoiding Silicon Valley status games 21:15 – Why most human data platforms lack real tech 25:05 – Detecting cheaters, liars, and low-quality labelers 28:30 – Why inter-annotator agreement is a flawed metric 32:15 – What makes a great poem? Not checkboxes 36:40 – Measuring subjective quality rigorously 40:00 – What types of data are becoming more important 44:15 – Scientific collaboration and frontier research data 47:00 – Multimodal data, Argentinian coding, and hyper-specificity 50:10 – What's wrong with LMSYS and benchmark hacking 53:20 – Personalization and taste in model behavior 56:00 – Synthetic data vs. high-quality human data Follow Weights & Biases: https://twitter.com/weights_biases https://www.linkedin.com/company/wandb

    56 Min.
  8. Arvind Jain on Building Glean and the Future of Enterprise AI

    05.08.2025

    Arvind Jain on Building Glean and the Future of Enterprise AI

    In this episode of Gradient Dissent, Lukas Biewald sits down with Arvind Jain, CEO and founder of Glean. They discuss Glean's evolution from solving enterprise search to building agentic AI tools that understand internal knowledge and workflows. Arvind shares how his early use of transformer models in 2019 laid the foundation for Glean’s success, well before the term "generative AI" was mainstream. They explore the technical and organizational challenges behind enterprise LLMs—including security, hallucination suppression—and when it makes sense to fine-tune models. Arvind also reflects on his previous startup Rubrik and explains how Glean’s AI platform aims to reshape how teams operate, from personalized agents to ever-fresh internal documentation. Follow Arvind Jain: https://x.com/jainarvind Follow Weights & Biases: https://x.com/weights_biases Timestamps:  [00:01:00] What Glean is and how it works  [00:02:39] Starting Glean before the LLM boom  [00:04:10] Using transformers early in enterprise search  [00:06:48] Semantic search vs. generative answers  [00:08:13] When to fine-tune vs. use out-of-box models  [00:12:38] The value of small, purpose-trained models  [00:13:04] Enterprise security and embedding risks [00:16:31] Lessons from Rubrik and starting Glean  [00:19:31] The contrarian bet on enterprise search  [00:22:57] Culture and lessons learned from Google  [00:25:13] Everyone will have their own AI-powered "team"  [00:28:43] Using AI to keep documentation evergreen  [00:31:22] AI-generated churn and risk analysis  [00:33:55] Measuring model improvement with golden sets [00:36:05] Suppressing hallucinations with citations  [00:39:22] Agents that can ping humans for help  [00:40:41] AI as a force multiplier, not a replacement  [00:42:26] The enduring value of hard work

    44 Min.
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Join Lukas Biewald on Gradient Dissent, an AI-focused podcast brought to you by Weights & Biases. Dive into fascinating conversations with industry giants from NVIDIA, Meta, Google, Lyft, OpenAI, and more. Explore the cutting-edge of AI and learn the intricacies of bringing models into production.

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