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FourCastNet

includes FourCastNet 3

5 statements across 1 episodes · 5 bullish · 0 bearish · 1 people on the record · first statement Aug 26, 2026 by Anima Anandkumar · said 10 times in 1 episodes since 2026 · across every show →

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brought up most by Anima Anandkumar (7)

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2026 10 mentions in 1 episode

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Everything said about FourCastNet, oldest first

Aug 26, 2026 positive
Assertion Supported
FourCastNet models trained on six-hour steps produce stable months-long forecasts
“To predict for the next six hours. And a little bit of multi-step fine tuning... Now we are showing for several months that it's able to do that.”
Anima Anandkumar Aug 26, 2026 ▶ 1:00:15 🔬 Why Transformers Hit a Wall the Moment Physics Shows Up — Anima Anandkumar, Caltech
Aug 26, 2026 bullish
Assertion Supported
FourCastNet matches supercomputer weather accuracy 10,000 times faster on consumer GPUs
“To our surprise, we found that it's not only, you know, accurate, it's almost as close to the what the traditional weather models can do accurately, but also tens of thousands of times faster. So what would take a big supercomputer to run can now be run. And w…”
Anima Anandkumar Aug 26, 2026 ▶ 33:56 🔬 Why Transformers Hit a Wall the Moment Physics Shows Up — Anima Anandkumar, Caltech
Aug 26, 2026 positive
Assertion Supported
FourCastNet was the first AI weather model to be permissively open-sourced
“We were the first to actually open source our weather model for CastNet and do it permissively.”
Anima Anandkumar Aug 26, 2026 ▶ 34:34 🔬 Why Transformers Hit a Wall the Moment Physics Shows Up — Anima Anandkumar, Caltech
Aug 26, 2026 bullish
Assertion Supported
Spherical AI weather models achieve longer autoregressive rollouts than flat models
“These models that we have are able to do the longest rollouts compared to any of the other weather models that completely ignore spherical assumption and a range of other things.”
Anima Anandkumar Aug 26, 2026 ▶ 57:12 🔬 Why Transformers Hit a Wall the Moment Physics Shows Up — Anima Anandkumar, Caltech
Aug 26, 2026 positive
Assertion Supported
FourCastNet predicted Hurricane Lee's landfall days earlier than standard weather models
“For instance, our forecast net was able to correctly predict that the hurricane making the landfall several days earlier compared to the standard weather forecasting models.”
Anima Anandkumar Aug 26, 2026 ▶ 52:28 🔬 Why Transformers Hit a Wall the Moment Physics Shows Up — Anima Anandkumar, Caltech
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