arXiv (AI & Machine Learning Papers) – https://arxiv.org

• A repository of open-access AI and computer science research papers.

Papers with Code – https://paperswithcode.com/

• Free access to ML research papers and their corresponding code implementations.

IEEE Xplore Open Access – https://ieeexplore.ieee.org/Xplore/home.jsp

• Some AI-related research papers are available for free.

Semantic Scholar (AI Research) – https://www.semanticscholar.org/

• AI-powered research database offering open-access AI and ML papers.

Google Scholar – https://scholar.google.com/

• Search for AI research papers, many of which are freely accessible.

DBLP (Computer Science Bibliography) – https://dblp.org/

• An AI-focused research database with free publications.

CORE – https://core.ac.uk/

• A collection of millions of free full-text research articles, including AI.

OpenAI Research – https://openai.com/research/

• OpenAI’s published research on AI and ML.

AI Commons – https://ai-commons.org/

• Open-access AI knowledge and resources.

Machine Learning Exchange (IBM) – https://developer.ibm.com/exchanges/machine-learning/

Journal of Artificial Intelligence Research (JAIR)
https://www.jair.org/

• Open-access journal publishing AI research.

Machine Learning Journal (Springer, Open Access Articles) https://link.springer.com/journal/10994

• Some AI-related articles are freely available.

Frontiers in Artificial Intelligence –
https://www.frontiersin.org/journals/artificial-intelligence

• Open-access journal covering AI and cognitive science.

Nature Machine Intelligence (Open Access Papers) – https://www.nature.com/natmachintell/

• Some AI articles are available for free.

Artificial Intelligence Open (Elsevier) – https://www.sciencedirect.com/journal/artificial-intelligence-open

• Open-access journal focused on AI advancements.

Neural Computation (MIT Press, Some Open Access Papers) – https://direct.mit.edu/neco

• Journal covering AI and neural networks.

Transactions on Machine Learning Research (TMLR) –
https://tmlr.org/

• Open-access peer-reviewed ML research journal.

Data Science and AI Ethics Journal –
https://datascience.codata.org/

• Covers AI ethics, machine learning, and big data.