Fully rewritten OpenAlex is live (beta)!
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Jason Priem
Oct 1, 2025, 6:21:11 PMOct 1
to OpenAlex users
It’s a HUGE week at OpenAlex: a new org structure, a new logo, and now beta launch of our fully-rewritten codebase, codenamed "Walden."
Walden is faster, bigger, and more maintainable, with:
• 150M+ new works (articles, books, datasets, software, and more)
• Better metadata and consistency (Unpaywall + OpenAlex always agree)
• A solid foundation for new features rolling out in Q4
👉 Try it now:
• UI: click the 🧪 test-tube icon in the top right (or click here).
• API: add data-version=2 to your request (like this).
• OREO website: compare Classic dataset vs Walden and see what’s changed
Read the full announcement on the blog.
Walden is faster, bigger, and more maintainable, with:
• 150M+ new works (articles, books, datasets, software, and more)
• Better metadata and consistency (Unpaywall + OpenAlex always agree)
• A solid foundation for new features rolling out in Q4
👉 Try it now:
• UI: click the 🧪 test-tube icon in the top right (or click here).
• API: add data-version=2 to your request (like this).
• OREO website: compare Classic dataset vs Walden and see what’s changed
Read the full announcement on the blog.
j
P.S. Join us Oct 7, 10am ET for our Walden webinar—register here.
P.S. Join us Oct 7, 10am ET for our Walden webinar—register here.
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