Alexander Hägele's picture

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Alexander Hägele

haeggee

·

https://haeggee.github.io

AI & ML interests

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Recent Activity

authored a paper 2 days ago

Training Dynamics of the Cooldown Stage in Warmup-Stable-Decay Learning Rate Scheduler

authored a paper 2 days ago

Apertus: Democratizing Open and Compliant LLMs for Global Language Environments

authored a paper 2 days ago

The Hot Mess of AI: How Does Misalignment Scale With Model Intelligence and Task Complexity?

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upvoted a paper 3 months ago

No Prompt Left Behind: Exploiting Zero-Variance Prompts in LLM Reinforcement Learning via Entropy-Guided Advantage Shaping

Paper • 2509.21880 • Published Sep 26, 2025 • 53

upvoted a paper 5 months ago

Benchmarking Optimizers for Large Language Model Pretraining

Paper • 2509.01440 • Published Sep 1, 2025 • 25

upvoted a collection 5 months ago

Apertus LLM

Democratizing Open and Compliant LLMs for Global Language Environments: 8B and 70B open-data open-weights models, multilingual in >1000 languages • 4 items • Updated Oct 1, 2025 • 325