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Weights & Biases

active · last success 2026-08-04 15:49

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  • Weights & Biases youtube.com channel pobcasts video youtube 2026-08-04 14:00

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    Should American companies be worried about Chinese open source AI models? Lin Qiao, CEO of Fireworks, doesn't think so. In this episode, she joins Lukas Biewald to talk about why she believes the industry is at a turning point, one that calls for more open intelligence, not...

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    Should American companies be worried about Chinese open source AI models? Lin Qiao, CEO of Fireworks, doesn't think so. In this episode, she joins Lukas Biewald to talk about why she believes the industry is at a turning point, one that calls for more open intelligence, not less. They cover how Fireworks now processes more tokens a day than OpenAI's API, why she thinks the future belongs to specialized models built on private company data rather than general-purpose ones, and why she believes OpenAI and Anthropic should be open-sourcing their own models too. Connect with us here: Lin Qiao: https://www.linkedin.com/in/lin-qiao-22248b4/ Fireworks: https://www.linkedin.com/company/fireworks-ai/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights and Biases: https://www.linkedin.com/company/wandb/ (00:00) Trailer (00:53) Introduction to Lin Qiao (01:51) Becoming a founder later in life (03:00) Why she joined Facebook to learn company building (05:33) Starting Fireworks to have industry-wide impact (09:07) Raising $61.5 million at $17.5 billion valuation (09:45) Specialized intelligence vs general intelligence (13:36) Processing more tokens than OpenAI's API (17:07) Why frontier labs don't prioritize fine-tuning (23:36) How reinforcement learning works for customization (28:53) Jensen Huang: there's no specialized general company (33:39) Unit economics and scaling to bankruptcy (41:35) Security trade-offs between open and closed models (44:24) Should American companies use Chinese models (47:00) Should OpenAI and Anthropic open source their models (50:51) Day zero launches and fixing DeepSeek bugs (55:04) What is Fireworks' long-term moat (01:12:39) The biggest surprise of starting a company
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-07-23 18:38

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  • Weights & Biases youtube.com channel pobcasts video youtube 2026-07-21 21:08

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    Weights & Biases logs your metric charts automatically, but a run can hold any artifact you attach to it, videos included. Vincent Warmerdam logs a render of his evolutionary search attempting traveling salesman routes and debugs by watching what the model actually did...

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    Weights & Biases logs your metric charts automatically, but a run can hold any artifact you attach to it, videos included. Vincent Warmerdam logs a render of his evolutionary search attempting traveling salesman routes and debugs by watching what the model actually did instead of reconstructing it from a summary chart. Log videos, images, audio, and more to your runs: https://docs.wandb.ai/models/track/log/media
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-07-06 14:30

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    W&B Weave now provides end-to-end observability to monitor production agents, out-of-the-box signals to surface failure modes, a complete improvement loop from inference to training, and a flexible evaluation framework to prevent regressions. Get started: https://docs.wandb.ai/weave

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    W&B Weave now provides end-to-end observability to monitor production agents, out-of-the-box signals to surface failure modes, a complete improvement loop from inference to training, and a flexible evaluation framework to prevent regressions. Get started: https://docs.wandb.ai/weave
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-07-02 18:22

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  • Weights & Biases youtube.com channel pobcasts video youtube 2026-07-01 14:20

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    Meet CoreWeave ARIA, the AI Research and Iteration Agent that continuously improves your model and agent. In this demo, you will see how ARIA runs the full autoresearch loop. By continuously forming hypotheses, running experiments, evaluating results, and executing the best...

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    Meet CoreWeave ARIA, the AI Research and Iteration Agent that continuously improves your model and agent. In this demo, you will see how ARIA runs the full autoresearch loop. By continuously forming hypotheses, running experiments, evaluating results, and executing the best next actions, AIRA creates an autonomous research loop that helps models and agents improve while you focus on the problems that require human judgment. Get started: https://docs.wandb.ai/aria/overview
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-30 20:52

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    Meet CoreWeave ARIA, the AI Research and Iteration Agent that continuously improves your model and agent. In this demo, you will see how ARIA runs the full autoresearch loop. By continuously forming hypotheses, running experiments, evaluating results, and executing the best...

    ▶ Watch on YouTube Opens in a new tab
    Meet CoreWeave ARIA, the AI Research and Iteration Agent that continuously improves your model and agent. In this demo, you will see how ARIA runs the full autoresearch loop. By continuously forming hypotheses, running experiments, evaluating results, and executing the best next actions, AIRA creates an autonomous research loop that helps models and agents improve while you focus on the problems that require human judgment. Get started: https://docs.wandb.ai/aria/overview
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-30 18:43

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    Meet ARIA, the new AI coding assistant built directly into the Weights & Biases platform. Because ARIA has full context of your environment, it understands exactly what you're looking at, whether you're debugging a crash log or navigating a workspace with hundreds of...

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    Meet ARIA, the new AI coding assistant built directly into the Weights & Biases platform. Because ARIA has full context of your environment, it understands exactly what you're looking at, whether you're debugging a crash log or navigating a workspace with hundreds of thousands of panels and runs grouped and filtered into a custom view. Watch ARIA run deep analysis as a long-running background job, then summarize its findings in a shareable report backed by panels and visualizations. ARIA can also edit your workspace directly, setting baseline runs and creating new sections, panels, and saved views on command. Get started: https://docs.wandb.ai/aria/overview
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-30 16:06

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    Meet CoreWeave ARIA, the AI agent built directly into the Weights & Biases platform. In this walkthrough, watch ARIA run a continuous auto-research loop, launching and improving experiments on its own, while handling everyday work in parallel: onboarding new team members,...

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    Meet CoreWeave ARIA, the AI agent built directly into the Weights & Biases platform. In this walkthrough, watch ARIA run a continuous auto-research loop, launching and improving experiments on its own, while handling everyday work in parallel: onboarding new team members, summarizing projects into reports, surfacing patterns across results, and building dynamic filters right into your workspace. Because ARIA has the full context of your environment, it understands your project, your runs, and everything stored in W&B without lengthy setup. And since every task runs as a cloud-based background job, you can kick off multiple threads at once and check in on live results from anywhere. Available on web and mobile. Get started: https://docs.wandb.ai/aria/overview
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-26 16:05

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    What happens when you optimize your AI agent for customer satisfaction? Say a shipping company deploys an LLM trained to get thumbs up. Someone calls asking where their lost package is. The system can admit it's lost or say it's coming tomorrow. Saying the latter would make...

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    What happens when you optimize your AI agent for customer satisfaction? Say a shipping company deploys an LLM trained to get thumbs up. Someone calls asking where their lost package is. The system can admit it's lost or say it's coming tomorrow. Saying the latter would make the customer happy and the agent would earn a thumbs up for lying. Dan Klein on Gradient Dissent: that's not a bug, but a reward function working exactly as intended.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-24 16:00

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    It's really interesting how Dan Klein thinks about hallucinations. His argument: every output from an LLM is technically a hallucination; some just happen to be right. No LLM ever knows whether its answer is right, where the information came from, or how reliable it is. So...

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    It's really interesting how Dan Klein thinks about hallucinations. His argument: every output from an LLM is technically a hallucination; some just happen to be right. No LLM ever knows whether its answer is right, where the information came from, or how reliable it is. So every answer your AI gives you is probably just a bet.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-22 16:00

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    Why are American biotech companies running their clinical trials in China and Australia? Because the FDA makes it nearly impossible to do it at home. Samuel Rodriques breaks down exactly what's broken and what fixing it would actually mean for drug discovery.

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    Why are American biotech companies running their clinical trials in China and Australia? Because the FDA makes it nearly impossible to do it at home. Samuel Rodriques breaks down exactly what's broken and what fixing it would actually mean for drug discovery.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-19 16:00

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    "My mission is to build technologies that can't lie." That's Dan Klein on this week's Gradient Dissent. Dan is a Berkeley computer science professor now building Scaled Cognition, a company designed around one bet: that reliability is the part of intelligence that's been left...

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    "My mission is to build technologies that can't lie." That's Dan Klein on this week's Gradient Dissent. Dan is a Berkeley computer science professor now building Scaled Cognition, a company designed around one bet: that reliability is the part of intelligence that's been left behind. Lukas and Dan get into why ChatGPT is always confident even when it's wrong and how Dan is working to fix this at the foundation.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-16 16:00

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    "We are going to switch from the problem in AI being that nothing works to the problem being that everything works." Dan Klein has been studying language models for over two decades and is now a professor of computer science at Berkeley. His new company, Scaled Cognition, is...

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    "We are going to switch from the problem in AI being that nothing works to the problem being that everything works." Dan Klein has been studying language models for over two decades and is now a professor of computer science at Berkeley. His new company, Scaled Cognition, is built around one question: how do you build a system that will not lie to you? In this episode, Dan joins Lukas Biewald to talk about why every LLM output is technically a hallucination, how reinforcement learning can quietly teach AI to deceive you, and what it actually takes to build models that check their own work. He also gets into why reliability is the one part of AI that hasn't kept pace and why that matters more than most people realize. Connect with us here:  Dan Klein: https://www.linkedin.com/in/dan-klein/ Scaled Cognition: https://www.linkedin.com/company/scaledcognition/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights and Biases: https://www.linkedin.com/company/wandb/ (00:00) Trailer (00:45) Introduction (01:52) Plausibility Engines (04:31) Metacognition and Verifiability (25:15) Architecting for Truth (37:58) Digital Literacy Gap (41:40) Linguistics AI Evolution (48:24) LLMs and Human Language (56:09) Modularity Optimization (01:14:27) Wrap-up
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-08 20:04

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    A single eval score is not an approval record. Here's how teams defend an AI release with evidence, not screenshots. Ensuring AI applications meet industry standards and government mandates often involves navigating scattered evidence and complex review processes. In this...

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    A single eval score is not an approval record. Here's how teams defend an AI release with evidence, not screenshots. Ensuring AI applications meet industry standards and government mandates often involves navigating scattered evidence and complex review processes. In this video, we demonstrate the open-source AI Governance Toolkit built on W&B Weave, which acts as a central system of record for both developers and compliance teams. We walk through a structured "review gate" process to show how you can organize evidence against frameworks like the MIT AI Risk Repository, NIST AI RMF, and the EU AI Act. Learn how to streamline your compliance-driven workflows and provide your team with the exact traces needed to fix failure modes before production. 📘 *New ebook:* https://utm.io/upTJ2 💻 *Open-source AI Governance Toolkit:* https://github.com/wandb/rai-toolkit ⏳ *Timestamps:* 0:00  The problem: scattered evidence and review gates 1:08  W&B Weave and the open-source AI Governance Toolkit 2:25  Intake: submitting an application profile 3:07  Scope: deriving the review plan and risk tier 4:08  Assess: the failure verdict and red-team results 5:48  Probe: manual testing and pinning findings 6:56  Decide: human judgment and the final decision 8:07  Slack automation and wrap-up
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-08 15:01

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    "There are no unsolved problems left in physics." Devoid of things to solve, Samuel Rodriques moved to the one field nobody has figured out yet: biology. The reason we haven't cracked it yet? Not enough talent. You simply can't scale brilliant scientists. So he built AI...

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    "There are no unsolved problems left in physics." Devoid of things to solve, Samuel Rodriques moved to the one field nobody has figured out yet: biology. The reason we haven't cracked it yet? Not enough talent. You simply can't scale brilliant scientists. So he built AI scientists to solve aging, cure every disease, and finally understand the human brain.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-05 18:00

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    Most peptides are just a placebo effect. Samuel Rodriques is building AI to cure every disease and says he knows too much biology to ever inject a peptide. "You actually have no way to know whether they're working.”

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    Most peptides are just a placebo effect. Samuel Rodriques is building AI to cure every disease and says he knows too much biology to ever inject a peptide. "You actually have no way to know whether they're working.”
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-06-04 17:00

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    This AI agent just proposed a new treatment for blindness. Not a summary but a real hypothesis, validated in the lab and published in Nature a few days ago. And this is just one of the 20,000 novel scientific findings Samuel Rodriques's AI scientist Kosmos has generated.

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    This AI agent just proposed a new treatment for blindness. Not a summary but a real hypothesis, validated in the lab and published in Nature a few days ago. And this is just one of the 20,000 novel scientific findings Samuel Rodriques's AI scientist Kosmos has generated.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-05-27 21:18

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    The W&B MCP server is a single hosted endpoint that lets any AI agent read and act on the data inside your W&B account, whether it's runs, traces, evals, artifacts, registries, reports or anything else. Here's how it works. Chapters: 00:00 Introduction to the Weights & Biases...

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    The W&B MCP server is a single hosted endpoint that lets any AI agent read and act on the data inside your W&B account, whether it's runs, traces, evals, artifacts, registries, reports or anything else. Here's how it works. Chapters: 00:00 Introduction to the Weights & Biases MCP 00:49 What MCP (Model Context Protocol) Is 01:55 Installing and Configuring MCP 02:43 Overview of MCP Tools and Features 04:12 Hiring Agent Demo Project Overview 05:50 MCP Correlation Analysis Demo 08:52 RL Email Agent Training Demo 09:23 Comparing Training Runs and Reward Regressions 11:49 Mistral Chat Integration and Mobile Workflows 13:50 Auto-Generating Reports with MCP
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-05-27 15:00

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    Samuel Rodriques, Co-founder of Edison Scientific, left physics because there were no unsolved problems left. Instead, he built an AI scientist named Kosmos to cure every disease, solve aging, and map the human brain. In this episode: - The cure his AI proposed for blindness...

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    Samuel Rodriques, Co-founder of Edison Scientific, left physics because there were no unsolved problems left. Instead, he built an AI scientist named Kosmos to cure every disease, solve aging, and map the human brain. In this episode: - The cure his AI proposed for blindness - Why he would never touch a peptide - Whether we'll need human scientists in 20 years - What's stopping America in drug discovery Connect with us here: Samuel Rodriques: https://www.linkedin.com/in/samuel-g-rodriques-080a9b22/ Edison Scientific: https://www.linkedin.com/company/edison-scientific/ Lukas Biewald: https://www.linkedin.com/in/lbiewald/ Weights & Biases: https://www.linkedin.com/company/wandb/ (00:00:00) Trailer (00:00:59) Introduction (00:01:29) Origins and the role of nonprofits in technology (00:12:19) Where AI is strong and weak in science (00:25:57) Changing drug discovery (00:31:46) Peptides and clinical trial processes (00:46:18) Using AI to synthesize medical research (00:52:18) How frontier models differ for specialized tasks (01:08:15) Will AI ever replace Nobel laureates (01:10:13) Raising $70 million from pharma investors (01:13:16) Is this time different for AI in drug discovery
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-05-26 21:06

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    Writing SQL has long been one of the biggest barriers standing between business users and the data they need. In this episode of AI Builders, we build a text-to-SQL analytics agent inside a Marimo notebook using DuckDB, Plotly, and an LLM-powered SQL generation workflow, then...

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    Writing SQL has long been one of the biggest barriers standing between business users and the data they need. In this episode of AI Builders, we build a text-to-SQL analytics agent inside a Marimo notebook using DuckDB, Plotly, and an LLM-powered SQL generation workflow, then layer in observability and tracing and discuss what it takes to evolve the prototype into a production-ready reporting application. If you're a developer interested in building practical AI-powered analytics and reporting applications, this video is for you. Use the blog post and GitHub repo below to follow along and start experimenting. 💻 GitHub repo: https://github.com/rratshin-wandb/ai-builders 📘 Blog post: https://wandb.ai/wandb_fc/ai-builders/reports/Building-a-text-to-SQL-agent--VmlldzoxNzAyMDIwNQ ⏳Timestamps: 0:00 — Introduction and motivation for a text-to-SQL agent 1:39 — Diving into the agent notebook 2:08 — Overview of the project star schema and data model 2:23 — System prompt design and JSON output format 2:58 — Agent class design and function walkthrough 3:56 — Building Plotly charts from LLM-returned chart config 4:32 — Invoking the agent and inspecting results in Marimo 5:36 — Tracing and observability 6:28 — Monitoring and the path to production
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-05-13 17:30

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    Serverless SFT, powered by CoreWeave, lets you fine-tune LLMs for specific tasks, styles, and outputs with less setup. W&B Training pairs Serverless SFT with Serverless RL in a unified workflow to help take your model from fine-tuned to production-ready. #shorts

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    Serverless SFT, powered by CoreWeave, lets you fine-tune LLMs for specific tasks, styles, and outputs with less setup. W&B Training pairs Serverless SFT with Serverless RL in a unified workflow to help take your model from fine-tuned to production-ready. #shorts
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-04-24 17:30

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    Can you drive in the dark Arctic or amidst a Tokyo typhoon? This AI car can. Wayve drove through both, plus 504 more cities, with almost no additional training data for over half of them. Alex Kendall calls it proof that “generalization at scale” is possible for AI cars.

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    Can you drive in the dark Arctic or amidst a Tokyo typhoon? This AI car can. Wayve drove through both, plus 504 more cities, with almost no additional training data for over half of them.  Alex Kendall calls it proof that “generalization at scale” is possible for AI cars.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-04-24 17:01

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    In this episode of AI Builders, I break down an AI application that lets users upload room photos and visualize store catalog items in their home using AI image models. You’ll see the full workflow, from prototyping in a notebook to optimizing the agent with tracing and...

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    In this episode of AI Builders, I break down an AI application that lets users upload room photos and visualize store catalog items in their home using AI image models. You’ll see the full workflow, from prototyping in a notebook to optimizing the agent with tracing and evaluation tooling. If you’re a developer excited about building practical AI applications and not just demos, this video is for you. Ready to build your own version? Use the blog post and GitHub repo below to follow along and start experimenting. 💻 *GitHub repo:* https://github.com/rratshin-wandb/ai-builders 📘 *Blog post:* https://wandb.ai/wandb_fc/ai-builders/reports/Building-an-AI-agent-for-interior-design--VmlldzoxNjY1NjY5MA ⏳Timestamps: 0:00 Welcome to AI Builders 0:33 Building a real-world agent for interior design 1:05 Prototype walkthrough: The application notebook 2:38 Reviewing the AI image model results 3:40 Exploring the agent traces 4:12 Evaluating, monitoring, and iterating on the AI application
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-04-23 17:00

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    Aaron Katz built a $15B company around one philosophy: Nobody likes being sold to. So he served Anthropic, OpenAI, LangChain and Vercel without a sales team. Just a shared Slack channel with their top engineers and a commitment to get you into production before competitors...

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    Aaron Katz built a $15B company around one philosophy: Nobody likes being sold to. So he served Anthropic, OpenAI, LangChain and Vercel without a sales team. Just a shared Slack channel with their top engineers and a commitment to get you into production before competitors had even scoped the project. Four years in, 3000 customers. The numbers speak for themselves.
  • Weights & Biases youtube.com channel pobcasts video youtube 2026-04-22 17:01

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    Wayve's founding story is kind of insane. Alex Kendall and a few friends, a rented house, $1.5M, and a car in the garage. The first task was simple: travel as far as you can down a lane with no human intervention. After just 10 tries, it figured it out, with no prior...

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    Wayve's founding story is kind of insane. Alex Kendall and a few friends, a rented house, $1.5M, and a car in the garage. The first task was simple: travel as far as you can down a lane with no human intervention. After just 10 tries, it figured it out, with no prior knowledge of the world whatsoever. Today that same AI has driven safely across 506 cities it had never seen before.
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