If you want a serious foundation for evaluating the credibility of scientific papers, Scite is a good option. Scite's Smart Citations offer context and categorize evidence for or against points made in scientific papers. It also offers customizable dashboards, reference checking and journal metrics. With a database of more than 187 million articles and a high confidence level in automatically classifying citation context, Scite is a good option for researchers and institutions trying to optimize their research.
Another good option is Semantic Scholar, a free AI-powered research service that lets scholars search for and read relevant papers in a large index. It has powerful search filters, summaries and tools to format papers with citations in different styles. Semantic Scholar also offers AI-generated definitions, paper recommendations and automated email alerts, so it's a good option for researchers with different needs.
If you need quick and authoritative answers to your research questions, Consensus is a good option. It has broad research coverage, AI analysis and proprietary search tools with filtering options. Consensus' Copilot and Consensus Meter, powered by OpenAI and large language models, offers deeper analysis, and it's good for students, researchers and science organizations.
Last, Epsilon offers a suite of tools to speed up scientific discovery, including Investigate, Search, Validate and Synthesize. Its ability to summarize content, extract information and generate detailed summaries means thousands of researchers use it. It offers several pricing levels, so it's available to different types of researchers.