Open House by ClickHouse (ClickHouse User Conference)
At a glance
- Next event
- Not announcedLast: Oct 6, 2026
- Call for papers
- No public call found
- Audience
- 350 attendees2026
- Past ticket prices
- Free2025 event · San Francisco
- Sponsorship
- Packages not published
- Sponsors
- 10 recorded in 2026No list the year beforeIncomplete or unverified lists; counts may understate activity.2026 is year to date.
- Program freshness
- 88/100#109 of 143 · 14% rerunsTalk novelty and speaker variety.
- Similar conferences
- AI Engineer, World AI Cannes Festival, Data Council
- Organizer
- ClickHouse
- Category
- Vendor & industry
- Website
- clickhouse.com
- Social
- X / Twitter · LinkedIn · Bluesky · YouTube
- Typical place
- 8 cities
- Topics
- Generative AIStreamingData engineeringMachine learningGovernance & qualityWarehouse & lakehouse
ClickHouse's free user conference, first held in San Francisco in May 2025 ('our first user conference'); second annual flagship San Francisco May 2026. Each autumn (from 2025) ClickHouse runs a free half-day/one-day 'Open House Roadshow' in other cities; each in-person stop is recorded as a separate edition with id_suffix = city (the San Francisco flagship has id_suffix null). 2025 roadshow: Sydney, Bangalore, New York, Amsterdam. 2026: Sydney, Melbourne (ANZ, Aug), Amsterdam, Bangalore, London, Munich (Sept-Oct). Not to be confused with ClickHouse's smaller meetups, 'The Agentic Data Stack' tour or 'ClubHouse' events. Social links are ClickHouse corporate accounts.
Speakers it attracts
The 74 people who spoke at Open House by ClickHouse (ClickHouse User Conference) in 2025–2026, by their record at the other conferences we track.
Most established speakers
- Tristan Handy · dbt LabsKeynoted 2 other conferences, spoke at 5: Coalesce, Modern Data Stack Conference (MDSCon), Snowflake Summit…
- Guillermo Rauch · VercelKeynoted 2 other conferences, spoke at 3: Snowflake Summit, MongoDB.local NYC (formerly MongoDB World), AWS re:Invent
- Lukas Biewald · CoreWeaveSpoke at 6 other conferences: AI Engineer (World's Fair, Summit and regional editions), Snowflake Summit, Data Council…
- Martin Casado · Andreessen HorowitzKeynoted 1 other conference, spoke at 3: Modern Data Stack Conference (MDSCon), Data Council, Starburst AI & Datanova (formerly Datanova)
- Srinivas Narayanan · OpenAIKeynoted 1 other conference, spoke at 2: O'Reilly Artificial Intelligence Conference, ScaledML (Scaled Machine Learning Conference)
- Yury Izrailevsky · ClickHouseKeynoted 1 other conference, spoke at 2: Data Council, Rows & Columns Summit
- Ed Lenta · ClickHouseKeynoted 1 other conference: Databricks Data Intelligence Days / AI Days
- Marc Klingen · LangfuseSpoke at 3 other conferences: AI Engineer (World's Fair, Summit and regional editions), AWS re:Invent, Rise of AI Conference
- Melvyn Peignon · ClickHouseSpoke at 3 other conferences: Big Data LDN, Data + AI Summit, Iceberg Summit
- Tanya Braginkeynote here · ClickHouseSpoke at 3 other conferences: Data Council, ElasticON (Elastic{ON} Tour), DataEngBytes
- Anish Agarwal · TraversalSpoke at 2 other conferences: CDAO (Chief Data & Analytics Officer) Summits, AI Engineer (World's Fair, Summit and regional editions)
- Charity Majors · HoneycombSpoke at 2 other conferences: AWS re:Invent, QCon
Activity by year
Sponsor companies per year
Distinct companies sponsoring any event that year, counted once across events.
- Partial or unverified list
- No sponsor list
2 of 2 years have a partial, unverified or missing sponsor list, so their bars undercount.
Speakers per year
Distinct people on stage at any event that year; same year axis as sponsors.
Events
| Dates | Event | Place | Format / status | Attendance | Sponsors | Speakers |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | Open House Roadshow Munich 2026 | Munich, Germany | — | — | — | |
| Sep 30, 2026 | Open House Roadshow London 2026 | London, United Kingdom | — | 3 | 13 | |
| Sep 22, 2026 | Open House Roadshow Bangalore 2026 | Bengaluru, India | — | 3 | 20 | |
| Sep 1, 2026 | Open House Roadshow Amsterdam 2026 | Amsterdam, Netherlands | 350 | 3 | 12 | |
| Aug 13, 2026 | Open House Melbourne 2026 | Melbourne, Australia | — | — | — | |
| Aug 11, 2026 | Open House Sydney 2026 | Sydney, Australia | — | — | 6 | |
| May 26–28, 2026 | Open House 2026 (San Francisco) | San Francisco, United States | — | 10 | 19 | |
| Oct 28, 2025 | Open House Roadshow Amsterdam 2025 | Amsterdam, Netherlands | — | — | 10 | |
| Oct 7, 2025 | Open House Roadshow NYC 2025 | New York, United States | — | — | 4 | |
| Oct 7, 2025 | Open House Roadshow Bangalore 2025 | Bengaluru, India | — | — | 12 | |
| Oct 2, 2025 | Open House Roadshow Sydney 2025 | Sydney, Australia | — | — | 2 | |
| May 28–29, 2025 | Open House 2025 (San Francisco) | San Francisco, United States | — | — | 8 |
Attendance over time
Reported attendance for 1 of 12 events; figures are as published by the organizer.
Most frequent speaker companies
Speaker appearances across all events, by the speaker's company.
Similar conferences
Conferences with the most similar speaker mix: their speakers come from the same companies. Bars are cosine similarity on a 0–1 scale; between conferences even the closest pairs share only part of their crowd.
- AI Engineer0.08
- World AI Cannes Festival0.07
- Data Council0.06
- QCon0.05
- Open Source Data Summit0.05
Sponsors over the years
Top 10 of 10 sponsoring companies, ranked by years sponsored. Each cell shows the highest tier that year; hover for the events.
- Other / unspecified
Sources
- https://clickhouse.com/openhouse
- https://web.archive.org/web/20250529175528/https://clickhouse.com/openhouse
- https://web.archive.org/web/20251116015109/https://clickhouse.com/openhouse
- https://clickhouse.com/openhouse/san-francisco
- https://clickhouse.com/company/events/202605-global-open-house
- https://clickhouse.com/blog/highlights-from-open-house-our-first-user-conference
- https://www.businesswire.com/news/home/20260527813115/en/