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🤖 Pre-training scaling laws still hold — Colossus and Grok 3 are the proof

Gavin Baker argues the 'we're hitting a wall' debate had no data because nobody had built a cluster past ~32,000 H100s. Elon's Memphis Colossus made 100,000+ hoppers coherent (going to 200k, then a million), so Grok 3 is the first real test of training scaling laws since GPT-4 and he expects it to be a significant advance in the state of the art. Friedberg adds new scaling axes — networks of models, test-time compute, context window — so capability keeps buying out of compute and the compute demand curve keeps compounding.

0 CONVICTION
peaked 65.9 GREEN
EMBER
band · contested
▲ LONG NVDA
expression · bullish tech
HIT
outcome · R +31.4% · α +16.7%
2025-12-07
window closed
⚠ CONFLICTING IDEA ON THE SAME TICKER — the board is arguing with itself; net it before trading (ticker view →)
NVDA · Nvidia risk: special-purpose silicon + Huawei SHORT DORMANT 10.4

also touching these tickers, same direction: AI compute capex supercycle has 12-24 months of runway 87 (NVDA) · Nvidia + Hugging Face makes NVDA the open-source AI champion 58 (NVDA)

⚖ Why this verdict

fully deterministic — evaluate.py replays this from daily closes; nothing below is editable or hand-set

  1. Window: 2024-12-07 → 2025-12-07 — first mention + 12-month horizon, then the window locks.
  2. The call: ▲ LONG NVDA (primary play). NVDA rose 31.4% over the window → direction-adjusted R = +31.4% (the call made money).
  3. Benchmark: holding SPY over the same window returned +14.8%α = +31.4 − (+14.8) = +16.7% — what this call made or lost against just owning the index. This is the number the verdict uses.
  4. Rule fired:
    ▶ HIT — R ≥ +10% AND α ≥ +5 ✓ (R 31.4, α 16.7)
    · PARTIAL — R ≥ +5% OR α ≥ 0
    · MISS — everything else
  5. Credit: supporters of a HIT earn 1.0 each, opposers the inverse — this feeds the scoreboard weights. supported: Chamath, Friedberg, Gavin Baker, Travis Kalanick | opposed: Jason, Keith Rabois

Conviction timeline

bands: green ≥ 65 · watch ≥ 45 · ember ≥ 15

Plays vs SPY · % since first mention (2024-12-07)

Plays

expressionsymbolkindrelevancerationale
▲ LONG NVDAstock PRIMARY training-cluster GPUs and NVLink/NVSwitch networking are the direct expression of scaling laws holding
▲ LONG AMDstock adjacent second-source accelerators pulled along by continued cluster scale-up
▲ LONG AVGOstock adjacent custom ASICs and networking silicon named as the next tick of cluster scale

Mention log

Gavin Baker
Gavin Baker (regular guest ×1.0) tech w=1.46 · n=13 · E206 (2024-12-07) · explicit_prediction · strength 3 ▶ 54:45 SUPPORT
“But you have not had a real test of scaling laws for training, arguably since GPT-4. And this will be the first test. And if scaling laws for training hold, Grok 3 should be a significant advance in the state of the art”
Friedberg
Friedberg tech w=1.08 · n=65 · E206 (2024-12-07) · sentiment · strength 2 ▶ 58:46 SUPPORT
“I think it's a new kind of scaling access arguably in terms of the potential set of applications. So networks of models, think time, context window. There are multiple dimensions upon which these tools ultimately kind of resolve to better performance”
Chamath
Chamath tech w=0.90 · n=83 · E208 (2024-12-20) · sentiment · strength 2 ▶ 58:57 OPPOSE
“If you listen to Ilya Tsutskever, if you listen to Andrei Karpathy, what they effectively are saying is there's this terminal asymptote that we're seeing right now in model quality.”
Chamath
Chamath tech w=0.90 · n=83 · E210 (2025-01-11) · sentiment · strength 2 ▶ 1:25:55 OPPOSE
“Yeah, I guess the point is, a toy to do what? Because if you're trying to do inference, like everything is telling us that we are reaching the limits of training.”
Chamath
Chamath tech w=0.90 · n=83 · E216 (2025-02-21) · explicit_prediction · strength 3 ▶ 1:19:36 SUPPORT
“I mean, basically what he proved was that there are still valuable gains in pre-training, and so the larger the cluster, the more value that there is... My first takeaway was I was sneakily surprised on the pre-training upside on having a larger cluster. So I think that that's very pro-NVIDIA actually, and it's actually also just really good in general for foundational model makers.”
Jason
Jason tech w=1.05 · n=56 · E216 (2025-02-21) · sentiment · strength 1 ▶ 1:29:36 SUPPORT
“It's super consequential. I mean, complete agreement with Chamath”
Jason
Jason tech w=1.05 · n=56 · E218 (2025-03-08) · sentiment · strength 2 ▶ 1:24:30 OPPOSE
“Let's talk about this ChatGPT. I guess they came out with 4.5. It was such a dud. I didn't even realize that they launched it.”
Chamath
Chamath tech w=0.90 · n=83 · E218 (2025-03-08) · sentiment · strength 1 ▶ 6:45 OPPOSE
“Open AI dropped GPT-45, and I think it was not really that well received.”
Chamath
Chamath tech w=0.90 · n=83 · E235 (2025-07-11) · explicit_prediction · strength 3 ▶ 20:39 SUPPORT
“So why is this crazy? Well, he made this huge bet on this 100,000 GPU cluster. People thought, wow, that's a lot. Is it going to bear fruit? Then he said, no, actually, I'm scaling it up to 250,000. Then he said it's going to scale up to a million. And what these results show is a general computational approach that doesn't require as much human labeling, can actually get to the answer and better answers faster.”
TR
Travis Kalanick (regular guest ×1.0) tech w=1.33 · n=6 · E235 (2025-07-11) · explicit_prediction · strength 2 ▶ 36:11 SUPPORT
“If you get, if you have an LM or foundational model of some kind that is the best in the world of the scientific method, game the F over. You basically, you just light up more GPUs and you just got like a thousand more PhD students working for you.”
KE
Keith Rabois (regular guest ×1.0) tech: 4 resolved, unproven · E235 (2025-07-11) · sentiment · strength 2 ▶ 46:04 OPPOSE
“That's the global lesson, by the way. Chamath, you're totally right. Conceptual, the blog post is right. But that's only true when you have enough data and depending upon the use case, the level of data you need may not be possible for years, decades, and you may need to hack your way there through human interactions.”
Gavin Baker
Gavin Baker (regular guest ×1.0) tech w=1.46 · n=13 · E236 (2025-07-19) · explicit_prediction · strength 3 ▶ 20:18 SUPPORT
“So this is incredible progress. And I think it's worth mentioning, this model was trained on Hopper. So this model is probably about as far as you can take the last generation of Nvidia GPUs. The next models we see, you know, Grok 5, you know, O5 from OpenAI, whatever they're going to call the next Gemini. They will be trained on Blackwell. And I think that will be a really big step function.”
Gavin Baker
Gavin Baker (regular guest ×1.0) tech w=1.46 · n=13 · E238 (2025-08-09) · explicit_prediction · strength 2 ▶ 11:43 SUPPORT
“But this is the first time they have not released a model that was a decisively better. And the progress for Grok 4 was exceptional. Grok 5 is coming soon, you know, they have more.”

Who built this conviction

each voice's total force on the score — supports and opposes from every mention, weighted exactly as the replay applied them · share = % of all mention-driven movement

Gavin Baker
Gavin Baker w=1.46 regular guest ×1.0
3 scoring events · 40% of moves
+81.4 → net +81.4
Chamath
Chamath w=0.90
5 scoring events · 27% of moves
+24.6 / -30.4 → net -5.8
Jason
Jason w=1.05
2 scoring events · 11% of moves
+10.8 / -12.6 → net -1.9
TR
Travis Kalanick w=1.33 regular guest ×1.0
1 scoring event · 10% of moves
+21.0 → net +21.0
KE
Keith Rabois regular guest ×1.0
1 scoring event · 6% of moves
+0.0 / -12.0 → net -12.0
Friedberg
Friedberg w=1.08
1 scoring event · 5% of moves
+10.9 → net +10.9

⏳ decay drained -59.3 over the idea's life — that's time passing, attributed to no one

Score events

episodekindΔafternote
E206 2024-12-07 init +55.0 55.0 E206 born by Gavin Baker (explicit_prediction x3) [w=1.46]
E206 2024-12-07 reinforce +10.9 65.9 E206 Friedberg support x2 (new voice) [w=1.08]
E207 2024-12-13 decay -2.6 63.3 E207 silent
E208 2024-12-20 oppose -10.8 52.4 E208 Chamath opposes x2 [w=0.90]
E209 2025-01-04 decay -2.1 50.3 E209 silent
E210 2025-01-11 oppose -10.8 39.5 E210 Chamath opposes x2 [w=0.90]
E211 2025-01-18 decay -1.6 37.9 E211 silent
E212 2025-01-25 decay -1.5 36.4 E212 silent
E213 2025-01-31 decay -1.5 34.9 E213 silent
E214 2025-02-07 decay -1.4 33.5 E214 silent
E215 2025-02-15 decay -1.3 32.2 E215 silent
E216 2025-02-21 reinforce +11.0 43.2 E216 Chamath support x3 (flipped from oppose) [w=0.90]
E216 2025-02-21 reinforce +10.8 54.0 E216 Jason support x1 (new voice) [w=1.05]
E217 2025-03-01 decay -2.2 51.8 E217 silent
E218 2025-03-08 oppose -8.7 43.2 E218 Chamath opposes x1 [w=0.90]
E218 2025-03-08 oppose -12.6 30.5 E218 Jason opposes x2 [w=1.05]
E219 2025-03-15 decay -1.2 29.3 E219 silent
E220 2025-03-22 decay -1.2 28.1 E220 silent
E221 2025-03-29 decay -1.1 27.0 E221 silent
E222 2025-04-05 decay -1.1 25.9 E222 silent
E223 2025-04-11 decay -1.0 24.9 E223 silent
E224 2025-04-19 decay -1.0 23.9 E224 silent
E225 2025-04-26 decay -1.0 22.9 E225 silent
E226 2025-05-02 decay -0.9 22.0 E226 silent
E227 2025-05-09 decay -0.9 21.1 E227 silent
E228 2025-05-17 decay -0.8 20.3 E228 silent
E229 2025-05-24 decay -0.8 19.5 E229 silent
E231 2025-06-13 decay -0.8 18.7 E231 silent
E232 2025-06-21 decay -0.7 17.9 E232 silent
E233 2025-06-28 decay -0.7 17.2 E233 silent
E234 2025-07-04 decay -0.7 16.5 E234 silent
E235 2025-07-11 reinforce +13.6 30.1 E235 Chamath support x3 (flipped from oppose) [w=0.90]
E235 2025-07-11 reinforce +21.0 51.1 E235 Travis Kalanick support x2 (new voice) [w=1.33]
E235 2025-07-11 oppose -12.0 39.1 E235 Keith Rabois opposes x2
E236 2025-07-19 reinforce +16.0 55.1 E236 Gavin Baker support x3 [w=1.46]
E237 2025-08-01 decay -2.2 52.9 E237 silent
E238 2025-08-09 reinforce +10.3 63.2 E238 Gavin Baker support x2 [w=1.46]
E239 2025-08-15 decay -2.5 60.7 E239 silent
E240 2025-08-22 decay -2.4 58.3 E240 silent
E241 2025-08-29 decay -2.3 55.9 E241 silent
E242 2025-09-07 decay -2.2 53.7 E242 silent
E243 2025-09-19 decay -2.1 51.6 E243 silent
E244 2025-09-27 decay -2.1 49.5 E244 silent
E245 2025-10-03 decay -2.0 47.5 E245 silent
E246 2025-10-10 decay -1.9 45.6 E246 silent
E247 2025-10-17 decay -1.8 43.8 E247 silent
E248 2025-10-24 decay -1.8 42.0 E248 silent
E249 2025-10-31 decay -1.7 40.4 E249 silent
E250 2025-11-07 decay -1.6 38.7 E250 silent
E251 2025-11-14 decay -1.5 37.2 E251 silent
E252 2025-11-22 decay -1.5 35.7 E252 silent
E253 2025-12-06 decay -1.4 34.3 E253 silent