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PyData London

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May 2026

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+ 107th Meetup
+ Hosted by Man Group +
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PyData Code of Conduct

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+ "Be thoughtful.
Be kind to each other." +
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NumFOCUS

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  • US-based charity supporting open-source scientific computing
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  • Financial and administrative support for open-source projects
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  • Support for many community events worldwide
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NumFOCUS Sponsored Projects

+ numfocus.org +
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PyData

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+ 121 + Groups on Meetup +
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+ 51 + Countries +
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+ 209k+ + Members +
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+ +more + Off-platform groups +
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PyData UK Groups

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+ PyData UK groups map +
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PyData London

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  • 16,290 members and growing
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  • Monthly meetup & annual conference
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  • All run by volunteers
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+ london.pydata.org/submit-a-talk +

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+ PyData London meetup page screenshot +
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UK PyData Meetups

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May 2026

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  • + Wed 6 May + PyData Exeter #13 — Open Source Community Talks · Innovation Hub +
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  • + Thu 7 May + PyData Cornwall #4 — Data Engineering Edition · Newquay +
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  • + Sat 16 May + PyData Organisers + Friends — Community Tooling Hack Day · Newspeak House, London +
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  • + Fri 22 May + PyData Wolverhampton — Python for Data Collection · Uni of Wolverhampton +
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  • + Thu 28 May + PyData Manchester · Krakenflex, Circle Square +
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  • + Fri 29 May + PyData Bradford · Bradford Mechanics' Institute Library +
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+ PyData Bristol is looking for a new sponsor / venue. If you can help, grab John after the talks! +
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Since we last met

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Python 3.14.4

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shipped 7 April 2026

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+ Bugfix-only maintenance release — but a useful nudge that 3.14 is the first version with free-threaded (no-GIL) CPython officially supported via PEP 779. If you've been waiting to try it, now's the time. +

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Tonight's Host & Sponsor

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+ Man Group logo +
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+ Long-term sponsor
+ and partner of
+ PyData London +

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+ World's largest publicly traded hedge fund + Listed on the London Stock Exchange +
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+ Open roles in Tech & Research + Quant researchers, engineers, data scientists & more +
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+ Proud sponsor of PyData London + Supporting the open-source data science community +
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+ Careers + man.com/careers +
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Upcoming Conferences

+ + via pythondeadlin.es + +
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+ PyData London 2026 — Fri 5 to Sun 7 June, Convene Sancroft, St. Paul's. Book at ti.to/pydata/pydatalondon26 +
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+ Annual Conference +

PyData London 2026

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5 – 7 June 2026

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Venue

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Convene Sancroft

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St. Paul's, London EC4M 7DQ

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Keynotes

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  • Sam Colvin Pydantic Inc.
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  • Rachel Lee Nabors Agentic Web Leader
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  • Jeremiah Lowin Prefect
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  • Martin O'Reilly Alan Turing Institute
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ti.to/pydata/pydatalondon26

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No regular meetup in June — but PyData Surrey is running a satellite!

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PyData London 2026 · Tickets

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Coming as a team? Save up to 15%

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+ Group of 3+ + 10% off + £781.88 / ticket + save ~£94 each +
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+ Group of 5+ + 15% off + £744.35 / ticket + save ~£131 each +
+
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+ For comparison — Individual 3-Day £500.40 · Student 3-Day £287.73 · Single-day passes from £106.34. All prices include VAT & fees. +

+

Book at ti.to/pydata/pydatalondon26

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Coming up

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Future Meetups

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+ June + No regular meetup — we'll see you at the PyData London 2026 conference! +
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+ July+ + We're moving to a new venue — possibly a different one in July. Keep a close eye on Meetup.com for details. +
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Got something to share?

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We're always looking for speakers.

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Lightning talks (5 min) and full talks (~30 min) — beginners welcome.

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Tonight's Schedule

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+ 18:30 + Doors open +
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+ 19:00 + + Introduction + You are here + +
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+ 19:15 +
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Rapid deduplication and fuzzy matching of large datasets using Splink
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Robin Linacre · Q&A
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+ 19:45 + Break + Networking +
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+ 20:00 +
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Small Model Inference Infrastructure: Lessons Beyond vLLM
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Filip Makraduli · Q&A
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+ 20:30 +
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Build your own LLM, Live, with MicroGPT
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Ian Ozsvald · Q&A
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+ 21:00 + We're done → The Banker (pub) +
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Post-event at The Banker

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Bonus slide

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Made with AI

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+ + Claude Code + by Anthropic +
+ + × + +
+ + frontend-slides + by zarazhangrui +
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