Closed Source Models

topic on 8 shows · 17 statements across 15 episodes

Latent Space No Priors the MAD Podcast the a16z Podcast Big Technology All-In TBPN 20VC

17 statements about Closed Source Models, every show

ALL-IN Assertion Not checkable as stated
Chamath: Closed AI models decay in harnesses while open-source models improve
“When you take a closed source model, it does really well on a benchmark. When you wrap it in its own harness, it decays in capability. When you take an open source model, And you use any other open source model, it improves in capability.”
Chamath Palihapitiya Aug 21, 2026 ▶ 28:47 Dario Defends Himself, Datacenter Panic, AI Doomer Trap, Senate Toss-Up
MAD Assertion Not checkable as stated
Wolf: 90% of AI Fake News Is Made by Closed-Source Models
“All of that is, like, maybe not all, let's say, 90%, to be fair, is made by closed source model, right?”
Thomas Wolf Aug 6, 2026 ▶ 14:35 “OpenAI’s Model Hacked Us” - Hugging Face’s Thomas Wolf
20VC Assertion Supported
Feldman says top Chinese open-source AI models lag closed-source models slightly
“This is made doubly worse by some of the best open source models were made by Chinese companies. And they are exceptionally good models. Kimi Ketu, Deep Seek. When the GLM, these are extraordinarily good models. They're not quite as good as the closed source m…”
Andrew Feldman May 26, 2026 ▶ 43:08 Cerebras CEO on the Future of Data Centres, Token Costs & Memory | Should US Companies Sell to China · 20VC with Harry Stebbings
Lample: Closed models prevent enterprises from leveraging proprietary domain data
“When customers use this off-the-shelf closed model, what's very sad is that they are not leveraging, you know, these data that they have been collecting for four years, or sometimes for decades. So much data, sometimes it's trillions of tokens or data in a ver…”
Guillaume Lample Mar 30, 2026 ▶ 0:00 Mistral: Voxtral TTS, Forge, Leanstral, & Mistral 4 — w/ Pavan Kumar Reddy & Guillaume Lample
LATENT SPACE Assertion Not checkable as stated
Lample: Mistral can build fine-tuned models 10x cheaper than closed models
“On here we can sometimes build something 10 X cheaper by just fine tuning a model, and it would be better on prem, on their own server, and also much cheaper as well”
Guillaume Lample Mar 30, 2026 ▶ 25:07 Mistral: Voxtral TTS, Forge, Leanstral, & Mistral 4 — w/ Pavan Kumar Reddy & Guillaume Lample
BIG TECHNOLOGY Prediction Not checkable as stated
Closed-source models will continue driving value in broad horizontal enterprise tasks
“There will be areas, for example, like software development, right, where there is so much horizontal aspect to it in terms of how it is practiced across the world. Where I do think these other approaches, like, you know, where what you bring to that is the co…”
Prem Natarajan Dec 15, 2025 ▶ 26:45 Capital One's Prem Natarajan: Why We're Building Our AI From The Ground Up
LATENT SPACE Assertion Not checkable as stated
Feldman: AI startups are replacing closed-source models with fine-tuned open-source
“I think for sort of AI companies like Cognition, like all your competitors, like AlphaSense, like dozens of others, they are trying to replace closed source models with very, very fast open source models, and they're trying to drive the open source Accuracy dr…”
Andrew Feldman Oct 1, 2025 ▶ 14:20 ⚡️Raising $1.1b to build the fastest LLM Chips on Earth — Andrew Feldman, Cerebras
Yurtseven: Closed-source models cannot foster effective LoRA ecosystems
“Like I've never seen a closed source model that can create a good LoRa ecosystem. It just basically doesn't exist.”
Gorkem Yurtseven Sep 8, 2025 ▶ 47:18 A Technical History of Generative Media
NO PRIORS Opinion
Gil: Closed-Source AI Labs Use Existential Risk Narratives for Regulatory Capture
“It's a very traditional form of regulatory capture. If you have a big pharma company, they work with the government to prevent other entrants into the industry. And this is exactly what it felt like is at least partially happening. In the AI world. Now that ma…”
Elad Gil Jul 31, 2025 ▶ 34:33 No Priors Ep. 125 | With Senior White House Policy Advisor on AI Sriram Krishnan
TBPN Opinion
Huber: Most businesses prefer open-source models over closed-source AI
“Most businesses don't love using closed source models. They want to use open source models. For all kinds of reasons, you know, privacy, security, continuity, cost”
Jeff Huber Apr 10, 2025 ▶ 4:30 The Most UNDERRATED Use Case in AI | Jeff Huber on TBPN April 8th
a16z Insight
Mensch: Closed-source AI models are unfit for high-certainty applications
“You can evaluate a model much better if you have access to the weights than if you only have access to APIs. And so if you want to build certainty around The fact that your system is going to be a hundred percent accurate, I don't think you should be using a c…”
Arthur Mensch Mar 20, 2025 ▶ 36:49 Jensen Huang & Arthur Mensch: Why Every Nation Needs Its Own AI Strategy
LATENT SPACE Prediction Not checkable as stated
Specialized open-source expert models will outperform one-size-fits-all closed-source models
“And that's our prediction is With specialization, there will be a lot of expert models, really, really good, and even better than, like, one size fits all open source closed source model.”
Lin Qiao Nov 25, 2024 ▶ 33:45 Why Compound AI + Open Source will beat Closed AI — with Lin Qiao, CEO of Fireworks AI
Chintala: Childhood trust in institutions determines views on open AI safety
“And this might be a little controversial, but like, I find a lot of arguments, ah, based on whether, like, closed source models are safer, or open source models are safer, very much related to whether, what kind of cultural, ah, culture they grew up in, what k…”
Soumith Chintala Mar 6, 2024 ▶ 1:08:27 Open Source AI is AI we can Trust — with Soumith Chintala of Meta AI
a16z Prediction Not checkable as stated
Immerman: Open-source AI models are heading toward parity with closed-source
“Clem, CEO at Hugging Face, a few days ago, forecasted that in 2024, open source models are going to reach the level of the best closed source models. That may be aggressive for 20, 24, but they are headed towards parity.”
Alex Immerman Dec 27, 2023 ▶ 13:31 Big Ideas 2024: The Consumer AI Battleground Moves from Model to UX with Alex Immerman
MAD Assertion Supported
Srinivas: Open-source AI models do not match closed-source model capabilities
“That needs the open source models or fine tuned versions of them to match the closed source, the closed ones. And That's not the case today.”
Aravind Srinivas Nov 1, 2023 ▶ 45:54 Perplexity AI CEO on Dethroning Google & Redefining Search
MAD Assertion Not checkable as stated
Srinivas: Self-hosting open-source LLMs is more expensive than closed-source APIs
“Even if there exists a checkpoint today, that's as good as the close models. It's still not an incentive to use them and serve them yourself because you're going to burn more money than paying for the close ones because the close ones are being served in such …”
Aravind Srinivas Nov 1, 2023 ▶ 46:08 Perplexity AI CEO on Dethroning Google & Redefining Search
MAD Assertion Supported
Huber: Steering LLMs at embedding layer is not exposed in closed-source models
“So, there's lots of stuff around steering language models at the embedding layer itself, and not using text but this is not yet exposed To at least closed source models, so.”
Jeff Huber Jun 28, 2023 ▶ 19:55 Why Vector Databases Are Exploding: Chroma Co-Founder Jeff Huber on Building AI-Native Infra

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