Fine Tuning

topic on 15 shows · 57 statements across 47 episodes

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57 statements about Fine Tuning, every show

Isenberg: Beginners Should Automate Workflows Before Fine-Tuning Open Models
“People hear, you know, open model and immediately want to train their own model, and I get it. I get why. I was actually the same way. It sounds really cool, but I feel like that's like an advanced move. The practical move, the beginner move, where you should …”
Greg Isenberg Sep 8, 2026 ▶ 24:33 I'm Obsessed With Local AI. Here's Why
20VC Prediction Not checkable as stated
Atallah: Model base layer fine-tuning could drop to dozens of dollars
“We might see a future where, like, when you do a fine tune, and you want to, like, change the base model layer, it only costs, like, maybe a few hundred dollars, maybe a few dozen dollars to change it.”
Alex Atallah Aug 9, 2026 ▶ 10:12 OpenRouter CEO: Why Chinese Open Models Are Beating the US | Why Enterprises Fear OpenAI & Anthropic
a16z Disclosure
Zhang: Decagon fine-tunes models for use cases, not specific customers
“I think a common misconception that people have is, you know, fine tuning is, is a way to like customize it for that customer. In fact, most of the fine tuning we do is like customizing it for our use case, like the customer service use case.”
Jesse Zhang Jul 30, 2026 ▶ 16:42 How Decagon Runs 90% of Its Agents on Open-Source Models
a16z Insight
Zhang: Enterprise procedures must be taught to AI in-context, not fine-tuned
“I'm sort of teaching the AI my own procedures. And again, that doesn't happen through fine tuning. That, that happens like in context, because if you were to fine tune on that, you would have to reverse it every single time. You know, you change your procedure…”
Jesse Zhang Jul 30, 2026 ▶ 17:35 How Decagon Runs 90% of Its Agents on Open-Source Models
Kant: Base model pre-training is required to unlock major capabilities
“You can't fine tune your way to success, right? Major capabilities emerge from training a base model made accurate and useful during fine tuning.”
Eiso Kant Jul 22, 2026 ▶ 52:57 The AI Frontier: from open weights to open research — Eiso Kant, Poolside AI
NEON SHOW Assertion Supported
Enterprises are abandoning fine-tuning for frontier models with context management
“What I'm seeing more and more is there's a lot more people going into the no fine tuning camp than a couple of years ago for very high value enterprise use cases.”
Jonathan Siddharth Jun 18, 2026 ▶ 49:06 Why Coding is the Fastest Path to AGI | Turing CEO Jonathan Siddharth
Sanseviero: Most Conversational Model Behavior Changes Can Be Done via Prompting
“Just changing how the model behaves, you can do most, most of that via prompting nowadays, and in terms of capabilities, the models are very good out of the box.”
Omar Sanseviero May 24, 2026 ▶ 14:32 ⚡️ Google's Open AI Strategy — Omar Sanseviero, Google DeepMind
Sanseviero: MoE models are great for inference but hard to fine-tune
“MOEs are challenging to fine tune. I don't know if we've talked about that in the past, but MOEs in general are like an extremely good architecture. They work great for inference. But when people fine tune them, they struggle a bit. Like they are not as easy t…”
Omar Sanseviero May 24, 2026 ▶ 17:28 ⚡️ Google's Open AI Strategy — Omar Sanseviero, Google DeepMind
Fine-Tuning Models on Internal Tools Unnecessarily Slows Down Rapid Product Development
“It would actually really slow us down to have a model that was fine tuned on our tools because we'd have to retrain it and cut a new model every time we did that.”
Sarah Sachs Apr 15, 2026 ▶ 1:14:18 Notion’s Sarah Sachs & Simon Last on Custom Agents, Evals, and the Future of Work
MAD Insight
Lacroix: Focused use cases allow for significantly smaller AI models
“The more focused your use case is, the smaller you can make the model through fine-tuning or through just distillation in an even smaller architecture.”
Timothée LeCroix Feb 12, 2026 ▶ 34:00 Mistral AI vs. Silicon Valley: The Rise of Sovereign AI
Core AI capabilities must be built during pre-training, not just fine-tuned
“If there is a core capability that you actually care about, that capability should be part of the foundation and not a fine-tuned artifact.”
Pratyush Maini Feb 10, 2026 ▶ 18:53 ⚡️ Reverse Engineering OpenAI's Training Data — Pratyush Maini, Datology
LATENT SPACE Disclosure
Deng: Goodfire's first steering API trailed prompting and fine-tuning
“When it comes to like control and design of models, you know, we tried steering with our first API and realized that it still fell short of black box techniques like prompting or fine tuning.”
Myra Deng Feb 5, 2026 ▶ 16:05 Goodfire AI’s Bet: Interpretability as the Next Frontier of Model Design — Myra Deng & Mark Bissell
BIG TECHNOLOGY Prediction Not checkable as stated
Mensch: AI customization techniques will be abstracted away for enterprises
“I do expect the part of the software in those deployment to increase. So the amount of the way customization occurs today with fine tuning, reinforcement learning, this kind of things, this is going to be abstracted away from the enterprise buyer because it's …”
Arthur Mensch Jan 16, 2026 ▶ 21:11 Who Wins if AI Models Commoditize? — With Mistral CEO Arthur Mensch
Nelson: A Single Negative Example Goes a Long Way in Vision Fine-Tuning
“I can offer anecdotally that a single negative example goes a long way.”
Joseph Nelson Dec 18, 2025 ▶ 20:32 SAM 3: The Eyes for AI — Nikhila & Pengchuan (Meta Superintelligence), ft. Joseph Nelson (Roboflow)
Corbitt: Fine-tuning offers poor ROI for 90% of unconstrained use cases
“I would say for 90% of use cases where you aren't forced to a smaller model, then it's still not a good ROI, and you probably shouldn't invest in it today.”
Kyle Corbitt Oct 16, 2025 ▶ 12:49 Why RL Won — Kyle Corbitt, OpenPipe (acq. CoreWeave)
LATENT SPACE Assertion Not checkable as stated
Corbitt: Fine-tuning compute runs cost only $5 to a few hundred dollars
“The dollar cost, I would say, is basically never a factor. It's just so much less than the time, the amount you're spending this engineer to do the work that it's not, I mean, it's, you know, each of these runs is between five and a couple of hundred dollars.”
Kyle Corbitt Oct 16, 2025 ▶ 14:21 Why RL Won — Kyle Corbitt, OpenPipe (acq. CoreWeave)
Stein: AI models increasingly do not require heavy fine-tuning for sophisticated outcomes
“I think it's gonna open up a lot of this democratization of accessing these models and building incredible things. Cause you don't even need to do a lot to get the most sophisticated outcomes. Increasingly. I don't think you need to do a lot of this heavy duty…”
Robby Stein Oct 10, 2025 ▶ 20:44 Inside Google's AI turnaround: AI Mode, AI Overviews, and vision for AI-powered search | Robby Stein
Y COMBINATOR Assertion Not checkable as stated
Fisher: Many AI developers have abandoned fine-tuning for context management
“I think a lot of people have abandoned fine tuning and said, actually, I'm just going to do better context management.”
Jordan Fisher Oct 7, 2025 ▶ 20:36 Ask These Questions Before Starting An AI Startup · Y Combinator
Rajpal: Fine-tuning open-source models on synthetic data closes proprietary capability gaps
“Not out of the box, but with a lot of that fine tuning and that the training, et cetera, you are able to kind of close the gap and even have better performance on metrics.”
Shreya Rajpal Sep 25, 2025 ▶ 14:37 ⚡️Snowglobe: Simulations for your AI
LENNY'S PODCAST Assertion Supported
Sharma: Surveys show 50% of developers are fine-tuning AI models
“50% of developers according to surveys are now fine tuning.”
Asha Sharma Aug 28, 2025 ▶ 45:12 How 80,000 companies build with AI: Products as organisms and the death of org charts | Asha Sharma
Hegde: Fine-tuning an existing model gets founders 90% of the way
“It is possible to build a model, but I think it's also possible to fine tune a model which will get you 90% of the way there.”
Vinayak Hegde Apr 29, 2025 ▶ 50:48 EP7 Nationalistic Interests, Humanitarian Efforts & Future of AI ft Vinayak Hegde
TBPN Insight
Huber: Fine-tuning model weights fails enterprise AI due to lack of deterministic control
“Updating the weights of the model is not a very good idea because you cannot really deterministically control that. You can fine tune, but what you're going to get the other end, you know, again, you don't really control.”
Jeff Huber Apr 10, 2025 ▶ 11:05 The Most UNDERRATED Use Case in AI | Jeff Huber on TBPN April 8th
MAD Insight
Kiela: Fine-tuning cannot inject new knowledge into AI models
“One common misconception about fine tuning is a lot of people think that you can inject new knowledge into a model using fine tuning. And that is not true.”
Douwe Kiela Mar 6, 2025 ▶ 28:19 Top AI Researcher on GPT 4.5, DeepSeek and Agentic RAG | Douwe Kiela, CEO, Contextual AI
20VC Assertion Open · timeframe Feb 2026
Morin: Google DeepMind has abandoned model fine-tuning for context windows
“You talk to people at DeepMind And they don't even fine tune anymore. Because they have such, you know, what's called big context window”
Steeve Morin Feb 24, 2025 ▶ 1:02:43 Steeve Morin: Why Google Will Win the AI Arms Race & OpenAI Will Not | E1262 · 20VC with Harry Stebbings
LATENT SPACE Prediction Not checkable as stated
Ben Allal: AI industry will shift to fine-tuning over prompt engineering
“And I think we're going back to fine tuning where we realize these models are really cosplay. It's better to use just a small model. We try to specialize it. So I think it's a little bit of a cycle and we're going to start to see like more of fine tuning and l…”
Loubna Ben Allal Dec 24, 2024 ▶ 27:47 Best of 2024: Synthetic Data / Smol Models, Loubna Ben Allal, HuggingFace [LS Live! @ NeurIPS 2024]
NO PRIORS Insight
Fine-Tuning Open Source Models Lacks Levers of Full Vertical Training
“Taking those models and trying to fine tune them It's just, it's not as effective as building it yourself and you have much fewer levers to pull than if you actually have access to the data and you can change the data that goes into that process.”
Aidan Gomez Nov 21, 2024 ▶ 24:40 No Priors Ep. 91 | With Cohere Co-Founder and CEO Aidan Gomez
Goyal: AI businesses focused solely on fine-tuning are vulnerable to model shifts
“For it to be a business, you need to align with the problem, not the technology. And I think that Automatic optimization is a really great business problem to solve. And I think if you're too fixated on fine tuning as the solution to that problem, then you're …”
Ankur Goyal Oct 11, 2024 ▶ 1:20:37 Production AI Engineering starts with Evals
LATENT SPACE Assertion Supported
Goyal: In-context learning outperforms fine-tuning in many large-context cases
“There's a lot of cases now, especially with large context models, where in context learning just beats fine tuning.”
Ankur Goyal Oct 11, 2024 ▶ 1:20:55 Production AI Engineering starts with Evals
LATENT SPACE Assertion Not checkable as stated
Goyal: Fewer Braintrust customers run fine-tuned models in production than six months ago
“I will say in my own experience with customers as of the recording date today, which is September or something, yeah, very few of our customers are currently fine-tuning models. And I think a very, very small fraction of them are running fine-tuned models in p…”
Ankur Goyal Oct 11, 2024 ▶ 1:21:53 Production AI Engineering starts with Evals
NO PRIORS Assertion Not checkable as stated
Goyal: Nearly all Braintrust customers have abandoned fine-tuned models
“Almost if not all of our customers have moved off of fine-tuned models onto instruction-tuned models and are seeing really good performance.”
Ankur Goyal Oct 8, 2024 ▶ 7:30 No Priors Ep. 85 | CEO of Braintrust Ankur Goyal
Fine-tuning requires only 100 to 1,000 high-quality examples
“It's actually a lot easier to get started than a lot of people expect. I think they might need Tens of thousands of examples, but even a hundred really high quality ones or a thousand is enough to get going.”
Michelle Pokrass Sep 17, 2024 ▶ 41:57 Building AGI with OpenAI's Structured Outputs API
20VC Prediction Not checkable as stated
Kolter: RAG systems will remain essential despite fine-tuning advances
“RAG based systems are so Are so common here, and so, and probably will remain, even with the advent of fine-tuning availability, they're going to remain a useful paradigm.”
Zico Kolter Sep 4, 2024 ▶ 24:33 Zico Kolter: OpenAI's Newest Board Member on The Biggest Questions and Concerns in AI Safety | E1197 · 20VC with Harry Stebbings
Howard: Training stages form a continuum allowing deep modification of pre-trained models
“Sorry, it wasn't the end of fine-tuning, but more that we should treat it as a continuum, and we should have much higher expectations of how much you can do with an already trained model. You can really add a lot of behavior to it. You can change its behavior.…”
Jeremy Howard Aug 17, 2024 ▶ 2:04 Answer.ai & AI Magic with Jeremy Howard
Howard: Tech builds too many vanity foundation models over fine-tuning
“People are building too many vanity foundation models rather than taking better advantage of fine-tuning”
Jeremy Howard Aug 17, 2024 ▶ 25:06 Answer.ai & AI Magic with Jeremy Howard
LATENT SPACE Prediction Not checkable as stated
Howard: AI developers will spend 12 months mapping RAG, fine-tuning, and KV caching
“Something over the next 12 months people will be spending time thinking about is how to, like, where to use RAG, where to use fine-tuning, where to use KV cache storage, you know, and how to use state.”
Jeremy Howard Aug 17, 2024 ▶ 1:08:05 Answer.ai & AI Magic with Jeremy Howard
MY FIRST MILLION Prediction Not checkable as stated
Guo: Fine-tuning to specific voices is AI writing's next major unlock
“I think the next level of like value and impact is definitely going to be fine tuning to specific voice.”
Sarah Guo Jul 24, 2024 ▶ 39:28 10 AI Business Ideas From The Queen of AI ft. Sarah Guo
NO PRIORS Insight
Ma: Fine-Tuning Often Fails Due to Data Demands and Hallucinations
“Fine tuning in many cases doesn't work because you need a lot of data to see the results and there are still hallucinations even after fine tuning.”
Tengyu Ma Jun 6, 2024 ▶ 12:06 No Priors Ep. 67 | With Voyage AI Co-Founder and CEO
NO PRIORS Assertion Not checkable as stated
Ma: Proprietary Data Fine-Tuning Adds 10-20% Retrieval Accuracy
“So we fine tune on the proprietary data of a particular company, and we can see 10 to 20% improvement on top of the domain specific in fine tuning as well.”
Tengyu Ma Jun 6, 2024 ▶ 27:19 No Priors Ep. 67 | With Voyage AI Co-Founder and CEO
Huang: RAG versus fine-tuning is fundamentally just meta-learning
“And like, at the end of the day, it's just all meta-learning, right? Like, all we want is, like, the best meta learning workflow or meta learning setup possible to be able to adapt the model to do anything.”
Mark Huang May 31, 2024 ▶ 11:03 How to train a Million Context LLM — with Mark Huang of Gradient.ai
20VC Insight
Mensch: Current AI fine-tuning approaches are too low-level
“Like the fine tuning aspect that has been like the go-to solution is probably a little too low level from What we should be doing.”
Arthur Mensch Apr 29, 2024 ▶ 17:08 Arthur Mensch: Open vs Closed - Who Wins and Mistral's Position | E1146 · 20VC with Harry Stebbings
NO PRIORS Assertion Not checkable as stated
Chase: Developers only implement model fine-tuning after reaching critical scale
“We see people experimenting with it. I think the only real place where they're doing it is when they've reached like really critical scale which I still don't think is that many applications to date.”
Harrison Chase Mar 28, 2024 ▶ 20:24 No Priors Ep. 57 | With LangChain CEO and Co-Founder Harrison Chase
MAD Insight
Van Luijt: RAG carries less hallucination risk than model fine-tuning
“That is something that is, works better than fine-tuning, for example, because if you fine-tune, then you're still dealing with potential hallucination Fair enough, with RAC that's possible too, but it's like, it's less it's less risky.”
Bob van Luijt Feb 15, 2024 ▶ 3:09 Vector databases and the $8 trillion open source market | Bob van Luijt, CEO of Weaviate
Diana Hu: Fine-tuning businesses succeed when customizing for private industry datasets
“I think where is exactly that, where I think is having more legs is when these companies need to customize it to private data sets. So you have the open, general, big foundation model, but then you have to tune it up to specific data sets that, for example, a …”
Diana Hu Feb 8, 2024 ▶ 14:37 The Truth About Building AI Startups Today · Y Combinator
Zhang: Combining fine-tuning and RAG provides superior performance boosts
“Combining all those techniques all together, right? So we'll give you essentially another boost, right? So that kind of one thing that we learn on the technical side.”
Ce Zhang Feb 8, 2024 ▶ 1:08:27 Building an open AI company - with Ce and Vipul of Together AI
NO PRIORS Insight
Beyang Liu: RAG remains necessary for context even with fine-tuned models
“I think you're still going to want to do RAG anyways. Like, even if you have fine tuned models in the mix, RAG is still sort of this, like, last mile data or context.”
Beyang Liu Jan 18, 2024 ▶ 32:35 No Priors Ep. 47 | With Sourcegraph CTO Beyang Liu
NO PRIORS Insight
Liu: Fine-tuning medium models can harm their in-context learning ability
“And if you fine-tune a medium-sized-ish model, sometimes it loses the ability to do effective in context learning, because I think the intuition is, it's devoting more, more of its parameter space to, kind of, like, memorizing the training set so it can do bet…”
Beyang Liu Jan 18, 2024 ▶ 35:00 No Priors Ep. 47 | With Sourcegraph CTO Beyang Liu
SAASTR Insight
Kiela: Enterprises do not need model fine-tuning when RAG is available
“You don't have to fine tune your model. It feels very intuitive. We have this great data set. We own it. It's our data. So we need to do something useful with it. So we need to fine tune our own language model. And so the companies who are offering that servic…”
Douwe Kiela Jan 17, 2024 ▶ 23:58 How Enterprise Companies are Buying AI (or Not) with ContextualAI, Anthropic, and Glean
Patel: Fine-tuning existing small models for cloud use is useless
“Unless, unless you're fine tuning for on device use, I think fine tuning current existing models, especially the smaller ones is a useless waste of time, right?”
Dylan Patel Dec 5, 2023 ▶ 30:56 The State of Silicon and the GPU Poors - with Dylan Patel of SemiAnalysis
MAD Assertion Supported
Zhou: Fine-tuning transformed GPT-3 into ChatGPT
“Fine tuning is the technology that got from a research project in 2020 called GPT-III and turned that into ChatGPT, a billion dollar app, right?”
Sharon Zhou Nov 8, 2023 ▶ 4:30 Custom LLMs at Scale: Lamini CEO Sharon Zhou’s Playbook for Enterprise AI
Howard: There is no fine-tuning, only continued pre-training
“To me, the right way to do this is to fine, fine-tune language models, is to actually throw away the idea of fine-tuning. There's no such thing. There's only continued pre-training.”
Jeremy Howard Oct 20, 2023 ▶ 45:27 The End of Finetuning — with Jeremy Howard of Fast.ai
Howard: RAG is an inefficient hack compared to fine-tuning
“RAG is like such a inefficient hack, really, isn't it? It's like, You know, segment up my data in some somewhat arbitrary way, embed it, ask questions about that, you know, hope that my embedding, you know, model embeds questions in the same embedding space as…”
Jeremy Howard Oct 20, 2023 ▶ 1:03:36 The End of Finetuning — with Jeremy Howard of Fast.ai
LATENT SPACE Prediction Open · timeframe Oct 2028
Liu: Developers will eventually fine-tune new factual knowledge into LLMs
“That's one of those things where I think long-term, you definitely can. I think some people say you can't. I disagree. I think you definitely can. Just right now, I haven't gotten into work yet.”
Jerry Liu Oct 12, 2023 ▶ 29:53 RAG is a hack - with Jerry Liu of LlamaIndex
MAD Insight
Fine-tuning cannot eliminate LLM hallucinations
“At the end of the day, these models are like next token predictors, which is, you know, like they kind of look at like what they've predicted until now, and then, you know, figure out like what the next token they're on is. And from that, like, even with fine-…”
Shreya Rajpal Sep 27, 2023 ▶ 17:46 Guardrails AI: The Playbook for Safer, Hallucination-Free LLMs — Shreya Rajpal Explains
Alex Rainey: Fine-tuning AI models can improve output quality up to 10x
“Fine tuning an AI model is quite a difficult, complex process. It's a little bit tricky but it can kind of 10 X, five X your results in terms of the quality outputs.”
Alex Rainey Jul 11, 2023 ▶ 5:17 Startup Acquisition Stories with Alex Rainey, Founder of MyAskAI.com
NO PRIORS Insight
Singhal: Fine-tuning outperforms prompt tuning when providing over 100 examples
“If you have three to five examples, let's say, then I would prompt it. If you have maybe 10 or 50 examples, it would either be prompt tuning or fine tuning. I think generally in that realm, prompt tuning and fine tuning perform similarly, and I would prefer pr…”
Karan Singhal May 18, 2023 ▶ 11:12 No Priors Ep. 17 | With Karan Singhal
NO PRIORS Prediction Not checkable as stated
Guu: LLM Providers Will Maximize Prompting Capabilities to Ensure Ease of Use
“So I think there's a strong incentive to make that happen. So the folks who are providing large language models, they want to make their approaches as easy to use as a possible. And so anything that can go into prompting, it seems to me that people will try to…”
Kelvin Guu May 4, 2023 ▶ 31:00 No Priors Ep. 15 | With Kelvin Guu, Staff Research Scientist, Google Brain
STARTUP IDEAS Prediction Not checkable as stated
Rogenmoser: Proprietary data moats in AI are dubious long-term
“Even the data stuff, which is probably the most like compelling, or at least the moat, the most moat like thing. We're going to hear that. They go, yeah, yeah, that there's a moat there. Like even that I think is dubious long-term. If there's a ton of value, t…”
Dave Rogenmoser Mar 30, 2023 ▶ 40:45 Master the Art of AI-first Products with Dave Rogenmoser's Winning Formula

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