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The Race to Recursive Self-Improving AI

a16z Podcast

Full Title

The Race to Recursive Self-Improving AI

Summary

The podcast discusses the concept of Recursive Self-Improving AI (RSI), distinguishing true RSI from autocatalysis by emphasizing a closed loop where the AI system improves itself across various components.

The discussion highlights the empirical challenges of proving RSI, the importance of measuring both capability gains and resource costs, and early signs of efficiency improvements in self-improving systems.

Key Points

  • True RSI involves a closed loop where the AI system being improved is also the improver, encompassing elements like models, harnesses, and potentially hardware, rather than just human-guided AI development.
  • The concept of RSI is distinct from autocatalysis, which describes the historical use of tools (like computers) to build better tools, where human intent and direction remain the primary driver of improvement.
  • The rate of AI capability improvement can be viewed through a differential equation where the numerator is performance and the denominator is cost, with true RSI potentially leading to exponential takeoff if the numerator is correlated with higher powers of capability.
  • Distinguishing genuine RSI progress from noise is empirically challenging, requiring rigorous measurement of capability gains against resource expenditure (denominator) to avoid self-deception or cherry-picking results.
  • A multi-agent system approach, which can include human researchers as agents alongside AI agents, is being explored for RSI, aiming to recursively improve the entire system rather than isolated components.
  • Early observations suggest that self-improving systems can simultaneously increase performance (numerator) while improving efficiency (reducing denominator), leading to a decrease in energy or resources required for better results.
  • The advancement of RSI is seen as an empirical problem that requires meticulous testing and measurement, considering factors like variance, reward hacking, and the inherent stochasticity of AI systems and hardware.
  • A unified mathematical framework is crucial for RSI to generalize across different problem domains, preventing the system from becoming a collection of disconnected improvements ("stamp collections") rather than a coherent, scaling entity.
  • While exponential takeoff is theoretically possible with RSI, the ultimate asymptote is likely bounded by the physical limits of computation in the universe.

Conclusion

True Recursive Self-Improving AI requires a closed loop where the AI system improves itself across multiple components, not just using AI as a tool for human-led development.

Rigorous empirical measurement, accounting for both performance gains and resource costs, is essential to validate RSI claims and differentiate genuine progress from noise or coincidental improvements.

The ultimate goal is to achieve improvements that are not only faster but also more efficient, leading to a decrease in the resources required for enhanced AI capabilities, potentially reaching an asymptote defined by universal physical limits.

Discussion Topics

  • How can we develop robust empirical methods to distinguish genuine Recursive Self-Improving AI from impressive but ultimately limited applications of AI in development?
  • What are the most promising avenues for developing AI systems that improve both their capabilities (numerator) and their efficiency (denominator) simultaneously?
  • Given the complexity and potential for noise in AI research, how can we foster a culture of rigorous self-scrutiny and empirical validation within the AI community to accelerate true progress?

Key Terms

RSI (Recursive Self-Improving AI)
An AI system capable of enhancing its own capabilities through iterative self-modification and improvement.
Autocatalysis
A process where a product of a reaction in a chemical or biological system speeds up the production of that same product, or a similar process where the output of a system enhances its own future output. In this context, it refers to using existing technology (like computers) to build better versions of that technology.
Optimizer
In the context of AI, this refers to the algorithm or process used to adjust parameters (like weights in a neural network) to achieve a desired outcome or minimize an error.
Reward hacking
A phenomenon where an AI agent finds unintended ways to maximize its reward signal without achieving the actual intended goal.
Flops (Floating Point Operations Per Second)
A measure of computer performance, indicating how many calculations a processor can perform per second.
Multi-agent system
A system composed of multiple interacting intelligent agents, which can be AI programs or even humans, working together to solve problems.
Exponential takeoff
A hypothetical scenario where an AI's intelligence increases at an accelerating, exponential rate, leading to rapid and profound technological advancements.

Timeline

00:00:00

The fundamental idea here is to build AI that improves itself, and I think we're getting there.

00:01:16

Daval and Owen distinguish true RSI from simply using AI to automate pieces of AI development.

00:03:39

So I think the important thing when you're differentiating them is to ask the question, what is the optimizer and what is the optimizer?

00:06:06

So the first derivative of capability with respect to time is the thing that everybody is trying to improve.

00:07:31

Can we dig a little bit more between RSI's having closed the loop and actual convergence properties?

00:08:17

And the real way to know what's happening is to test things. And testing things is really, really hard.

00:09:18

I think one misunderstanding people have about our approach to our side is that they think the entire system has to be fully automatic and digital.

00:10:01

So one observation that we have made here is there are claims of speed is improving, which is actually the case.

00:10:33

encourage people that are either evaluating claims about this or even working on them to think about not fooling yourself by throwing more money at the problem.

00:12:13

I can also give an example from AI. I don't know if you know this NanoGPT benchmarking we're running.

00:13:50

And then you can get smarter models when you use that to train.

00:14:10

What we found is that a lot of the papers that claim to do RSI, when we test it in our internal infra, we find that they don't work.

00:14:42

So what we have is that we're putting all these components that you could possibly recursively improve into a Unified framework.

00:17:34

And our goal here is to optimize all the servers of the stack, right?

00:18:15

Can you talk a little bit about the problem domain that you're going after just to prove that this works?

00:21:45

approaches you're coming up with here generalize or do you think there'll be a different one per target solution space?

00:22:49

So for example, do you envision a system where the amount of energy that goes into it somehow decreases over time relative to the improvement?

00:24:02

At least, yeah, I mean, you know, how many particles are there?

00:25:24

How do you have confidence in the results given...

00:26:15

The technical answer is you have to be really, really good at measuring things.

00:29:37

So those fields probably won't be accelerated as fast as coding on mathematics where you have very fast and cheap evaluations.

00:30:18

One of the internal jokes we have in the company is that the secret to RSI is somewhere in the Garden House company in Wisconsin.

00:31:44

I love it. I just want to quickly summarize so you're going after rsi and in your case this is not auto catalytic effects.

00:32:21

Thanks for listening to this episode of the A16Z Podcast.

Episode Details

Podcast
a16z Podcast
Episode
The Race to Recursive Self-Improving AI
Published
October 12, 2026