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LessWrong (30+ Karma) · August 28 · 1 hr 7 min

“The Dynamics of Intelligence Explosions” by Toby_Ord

Toby Ord Abstract AI is increasingly being used to help with AI R&D. Under certain conditions this feedback loop might be able to produce an intelligence explosion, with rapidly escalating AI capabilities. I explore the mathematics of the most explosive possibilities, with an eye to understanding what drives the dynamics. I show that singular growth (towards a vertical asymptote) is harder to achieve than would be expected from recent economics-inspired modelling, and that there is an important but neglected class of growth rates that are faster than exponential but don't lead to a vertical asymptote. I draw out the generation time (the time to go around the feedback loop) as a neglected parameter that plays a pivotal role in determining the behaviour of any intelligence explosion — one cannot have singular growth unless the generation time rapidly approaches zero. Keywords: recursive self-improvement, RSI, intelligence explosion, explosive growth, finite time singularity, generation time. Preview of Figure 1. A vertical asymptote requires the gradient (rise over run) to approach infinity within a finite time. Decreasing the run is key. It cannot be achieved with a fixed feedback generation time (centre) no matter how quickly the improvements grow [...] --- Outline: (00:12) Abstract (01:50) The Possibility of an Intelligence Explosion (06:40) Modelling RSI through Differential Equations (13:52) A Note on Singularities (16:36) Generalising the Standard Differential Equation for RSI (24:11) Feedback loops & discrete timesteps (42:14) Intelligence Measures (52:46) Going Finite (01:01:05) Conclusions (01:06:26) Appendix: Table of Rates of Growth (01:07:04) References The original text contained 16 footnotes which were omitted from this narration. --- First published: August 28th, 2026 Source: https://www.lesswrong.com/posts/o7QwBAYqpbvBL6SRH/the-dynamics-of-intelligence-explosions --- Narrated by TYPE III AUDIO. --- Images from the article: Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.

0:00-1:07:28

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show notes

Toby Ord

Abstract

AI is increasingly being used to help with AI R&D. Under certain conditions this feedback loop might be able to produce an intelligence explosion, with rapidly escalating AI capabilities. I explore the mathematics of the most explosive possibilities, with an eye to understanding what drives the dynamics. I show that singular growth (towards a vertical asymptote) is harder to achieve than would be expected from recent economics-inspired modelling, and that there is an important but neglected class of growth rates that are faster than exponential but don't lead to a vertical asymptote. I draw out the generation time (the time to go around the feedback loop) as a neglected parameter that plays a pivotal role in determining the behaviour of any intelligence explosion — one cannot have singular growth unless the generation time rapidly approaches zero.

Keywords: recursive self-improvement, RSI, intelligence explosion, explosive growth, finite time singularity, generation time.

Preview of Figure 1. A vertical asymptote requires the gradient (rise over run) to approach infinity within a finite time. Decreasing the run is key. It cannot be achieved with a fixed feedback generation time (centre) no matter how quickly the improvements grow [...]

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Outline:

(00:12) Abstract

(01:50) The Possibility of an Intelligence Explosion

(06:40) Modelling RSI through Differential Equations

(13:52) A Note on Singularities

(16:36) Generalising the Standard Differential Equation for RSI

(24:11) Feedback loops & discrete timesteps

(42:14) Intelligence Measures

(52:46) Going Finite

(01:01:05) Conclusions

(01:06:26) Appendix: Table of Rates of Growth

(01:07:04) References

The original text contained 16 footnotes which were omitted from this narration.

---

First published:
August 28th, 2026

Source:
https://www.lesswrong.com/posts/o7QwBAYqpbvBL6SRH/the-dynamics-of-intelligence-explosions

---

Narrated by TYPE III AUDIO.

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Images from the article:

Three graphs comparing differential, difference, and time-embedded difference equations showing singularity formation.
Three graphs comparing differential, difference, and time-embedded difference equations showing singularity formation.
Two line graphs showing MTBF and reliability versus time t.
Two line graphs comparing machine and human speed growth over time.

Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.

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