Mark Mandelmann, Jr.
Showing 1–4 of 4 transcripts.
- Y Combinator20 min
The Powerful Alternative To Fine-Tuning
Ian Fischer, Mark Mandelbaum, Francesc Campoy Flores, Mark Mandelmann, Jr.
Poetic, led by co-CEO Ian Fisher, deploys a recursive Meta-System that autonomously optimizes foundation models to outperform them on benchmarks like Arc AGI v2 and the Humanity's Last Exam at a fraction of the cost. This stealth-stage platform functions as a cost-effective "stilts" for startups, achieving 9 percentage point gains over competing models while utilizing a lean team of seven scientists rather than massive training budgets. The company now invites early access from ventures seeking to integrate these self-improving reasoning strategies into their specific verticals.
- Y Combinator50 min
Inside Claude Code With Its Creator Boris Cherny
Boris Cherny, Mark Mandelmann, Jr., Francesc Campoy, Melanie Warrick
Anthropic has accelerated its engineering velocity to a 150% growth rate by leveraging *Claude Code* to generate 70% to 90% of its own source code and rewriting its entire codebase every six months to avoid technical debt. The organization operates a bimodal workforce of specialists and generalists while predicting that traditional software engineering roles will fade as AI automates coding tasks. With *Claude Code* now powering the majority of developer sessions and influencing 4% of public industry commits, the company is simultaneously expanding into non-technical domains through *Co-work* and monitoring its safety rating at ASL 3.
- Y Combinator53 min
Windsurf CEO: Betting On AI Agents, Pivoting In 48 Hours, And The Future of Coding
Varun Mohan, Mark Mandelmann, Jr., Melanie Warrick, Amanda Schade, Mark Blyth
Windsurf, led by founders who pivoted from GPU virtualization to AI coding tools in 2022, has rapidly scaled to over one million developers and achieved eight-figure annual revenue without a dedicated sales team. The company differentiates itself through an "agentic editor" that handles codebases exceeding 100 million lines by combining AST parsing with real-time GPU re-ranking, enabling automated legacy migration and multi-step code execution. This rapid growth was driven by a strategy of immediate product iteration, such as transforming a VS Code extension into a standalone IDE to overcome architectural limitations, all while maintaining a hiring philosophy centered on engineers capable of executing high-stakes pivots.
- Y Combinator38 min
Are We In An AI Hype Cycle?
Gary, Jared, Harj, Diana, Mark Mandelmann, Jr., Melanie Warrick, Mark Mandelbacher
Y Combinator is launching its first-ever Fall batch, offering $500,000 in funding with an application deadline of August 27th. The organization analyzes the current AI market through a dual lens of heightened hype cycles and tangible application-layer utility, contrasting speculative valuations against revenue-generating tools that demonstrate clear enterprise efficiency. While acknowledging risks of overinvestment similar to past tech bubbles, YC emphasizes that long-term value will accrue to companies solving specific customer problems rather than relying on foundation model speculation.