Frontier AI Analysis
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The briefing / 26 articles / 5 subject desksModels. Methods. Evidence.
The lead / Training

FlashAttention-4: Faster GPUs need smarter software to speed up AI training

Expensive GPUs can still spend time waiting on slower operations. Research from Together AI and five other organizations shows how better scheduling can turn more of that hardware into useful work.

Analysis · 4 min read · 11 Oct 2026
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Official FlashAttention-4 research artwork from Together AI. Image: Together AI
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Mistral’s training recipe makes the curriculum a moving target

Reinforcement learning must keep challenging a model as it improves. The engineering problem is producing useful attempts, trustworthy rewards and a curriculum that does not stand still.

Model releases and architectures: what changes in capability, efficiency and control.

The datasets, collection systems and curation methods that determine what a model can learn.

Pre-training and post-training advances that change the cost, speed and behavior of AI models.

How models reason and run: serving speed, memory, inference-time compute and cost per useful result.

The tests and evidence that separate a stronger model from a better-looking score.

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