alt Hacker NewsI ran a quick eval to see what this looks like qualitatively vs just calling Opus 4.7 or GPT 5.5 directly.
As expected, Fusion was 7x slower and 4x the cost.
This isn't a knock against it, just that it I think this places Fusion into a "use it only when you need it" category.
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Which models were you using under this? If you used the quality default as exists in the interface, it makes sense that it was ~4x the cost as it'd be 3 frontier models judged by one of those.
The idea would be to use fusion with simpler, cheaper models.
yeah its really counterintuitive i think; i.e, getting the right framework and structure for this to work probably isn't trivial, models really hate playing well together. i wonder how their version would fair in real world use.
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Sounds like fusion would be a really good distillation target?