alphaXiv

Free overlay for arXiv papers with public discussion/comment threads per paper

What alphaXiv does

  • Free overlay for arXiv papers with public discussion/comment threads per paper
  • Personalized research feed and researcher-follow system
  • Browser extension and MCP server for agent integration

alphaXiv — straight answers

What is alphaXiv?

alphaXiv is listed under Academic Research, in the Research & Learning category on Flocci AI Tools. Free overlay for arXiv papers with public discussion/comment threads per paper. It is free, with no paid plan attached, and it lives at alphaxiv.org.

Is alphaXiv free?

alphaXiv is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can alphaXiv do?

alphaXiv does 3 things the catalog singles out: Free overlay for arxiv papers with public discussion/comment threads per paper; personalized research feed and researcher-follow system; browser extension and mcp server for agent integration.

What is the best free alternative to alphaXiv?

Ai2 Paper Finder (Asta) is the closest free alternative: it sits in the same Academic Research sub-category and is free. ResearchRabbit, Semantic Scholar and Connected Papers also start free. The full list is on the alternatives page.

See the full list →

alphaXiv alternatives

Compare all alternatives →

Elicit

Academic Research
freemium
  • Find and summarize research papers
  • Extract data across studies
  • Systematic-review workflows
  • Free monthly credits

Consensus

Academic Research
freemium
  • Answers grounded in peer-reviewed papers
  • Consensus Meter across studies
  • Study snapshots and quality
  • Free searches

SciSpace

Academic Research
freemium
  • Explain and chat with any paper
  • Literature review and comparison tables
  • Paraphrase and citation help
  • Free tier

Undermind

Academic Research
freemium
  • Exhaustive, agentic literature search
  • Finds hard-to-surface papers
  • Explains why each result matters
  • Free searches to start

Semantic Scholar

Academic Research
free
  • Fully free AI-powered search across 237M+ scientific papers
  • Semantic Reader augmented-reading tool for papers
  • Free public API used by many other research tools

ResearchRabbit

Academic Research
free
  • Visual citation-network mapping across 310M+ papers
  • Zotero integration for reference management
  • Used by 1M+ researchers at Harvard/Stanford/MIT/Oxford, free to sign up

Head-to-head comparisons