AI Summit San Francisco 2026: What Actually Happened to This Event
No 2026 edition -- discontinued after 2019
TL;DR: There is no AI Summit San Francisco 2026. The “June 9-11, 2026” date and the `theaisummit.
TL;DR: There is no AI Summit San Francisco 2026. The “June 9-11, 2026” date and the `theaisummit.com/sanfrancisco/` link that used to sit on this page do not lead anywhere real - that URL has 301-redirected away from a standalone San Francisco event since at least 2020. The AI Summit series (run by Informa, the same company behind AI Business and the Knect365 events brand) held its last true San Francisco edition on September 25-26, 2019, at the Palace of Fine Arts, then rebranded it as AI Summit Silicon Valley the following year. That version has since dropped out of the series’ current 2026-2027 lineup entirely. What people searching this term are usually actually looking for is Databricks’ Data + AI Summit, a completely unrelated conference that ran June 15-18, 2026, at Moscone Center - or one of several small, unaffiliated “AI Summit” and “GenAI Summit” listings that have picked up the same search terms since.
I check the facts on AI events the same way I check the facts on AI SaaS tools before I recommend them: I go to primary sources and I do not repeat what a directory site guessed. Every event guide in this batch on my AI events hub got the same treatment, and most of them just had wrong dates. This one is different - when I tried to verify the June 9-11, 2026 date on this page, I found something more basic wrong: the event has not run in San Francisco since 2019.
This is not a “should you attend” guide, because there is nothing scheduled to attend. It is a correction - I show you exactly what I found, where I found it, and what to search for instead. Every claim below traces to Informa’s own AI Summit series site, AI Business’s own reporting, the Internet Archive’s Wayback Machine, or Databricks’ own event page, and where the trail runs into conflicting aggregator data, I say so instead of picking whichever number sounds cleanest.
Key Takeaways
- AI Summit San Francisco 2026 does not exist. The `theaisummit.com/sanfrancisco/` URL that was previously listed as this event’s official website has been a 301 redirect since at least 2020, and it currently forwards to Informa’s general AI Summit series landing page, which lists no San Francisco edition for 2026 or 2027.
- The last confirmed edition ran September 25-26, 2019, at the Palace of Fine Arts. The prior year’s edition (2018) drew more than 200 speakers and roughly 4,000 delegates, per AI Business’s own coverage - the clearest scale figure available for the event’s final years.
- The event was rebranded, not simply cancelled. In November 2020, AI Business (Informa’s own trade press outlet) reported that “AI Summit Silicon Valley” was the direct successor to “AI Summit San Francisco,” merged with IoT World and moved to the Santa Clara Convention Center.
- AI Summit Silicon Valley has since disappeared too. Informa’s live 2026-2027 AI Summit series page lists only two flagship cities - London and New York - plus three satellite events (Singapore, Black Hat USA, and Australia). Neither San Francisco nor Silicon Valley appears anywhere in the current lineup.
- The “June 9-11, 2026” date almost certainly comes from a different, unrelated event. Databricks’ Data + AI Summit ran June 15-18, 2026, at Moscone Center in San Francisco - a real, large, well-documented conference that has nothing to do with Informa’s AI Summit series beyond sharing two words in its name.
What Was The AI Summit San Francisco?
The AI Summit San Francisco was the founding U.S. edition of a global conference series launched by Informa (through its Knect365 events division) in the mid-2010s, built around enterprise AI adoption rather than academic research. It leaned on named C-suite speakers from major companies instead of peer-reviewed papers - a trade-show-and-keynote model closer to NVIDIA GTC than to an academic conference like CVPR.
Archived editions of the event’s own marketing pages, preserved by the Internet Archive’s Wayback Machine, describe it as “the world’s first and largest conference and exhibition to look at the practical implications of AI for enterprise organisations,” with confirmed keynote speakers across its run including Beth Smith (then General Manager of Watson AI at IBM), Tony Jebara (Director of Machine Learning Research at Netflix), and Nav Kesher (Head of Data Science at Facebook). That matches the enterprise-AI positioning this page’s old content described - it is the closest thing to a real event that content was describing, just five to seven years out of date.
The event ran annually from around 2015 through 2019, moving between venues in San Francisco before settling at the Palace of Fine Arts, a former World’s Fair exhibition hall on the city’s northern waterfront. AI Business’s own coverage, published in November 2018, put the 2018 edition at “over 200 speakers and 4,000 delegates” and previewed the “flagship 2019 event” returning to the Palace of Fine Arts on September 25-26, 2019 - dates that independent event-listing site Crunchbase also records as having actually taken place. That is a real, mid-sized enterprise conference, not a fabricated one, and September 2019 is the last edition anyone can independently verify under the “AI Summit San Francisco” name.
The Real Story: What Happened After 2019
Here is where this page’s previous content went wrong, and it is worth being specific, because the dates were not the actual problem.
In November 2020, AI Business - owned by the same company that runs the AI Summit series, so about as close to a primary source as a rebrand announcement gets - published a piece titled “AI Summit Silicon Valley joins forces with IoT World”. The piece states plainly: “This will be the 8th annual IoT World, and the 6th annual AI Summit Silicon Valley (previously known as AI Summit San Francisco).” In other words, the San Francisco edition was not cancelled outright - it was renamed AI Summit Silicon Valley, folded into a combined conference with IoT World, and relocated to the Santa Clara Convention Center for a November 2-4, 2021 hybrid event.
Quick facts:
| Detail | What I could verify |
|---|---|
| Original event | The AI Summit San Francisco (Informa / Knect365) |
| Ran | Roughly 2015-2019, annually |
| Last confirmed edition | September 25-26, 2019, Palace of Fine Arts, San Francisco |
| Scale (2018 edition) | 200+ speakers, ~4,000 delegates (per AI Business); no separate figure found for the final 2019 edition |
| Rebrand | Renamed AI Summit Silicon Valley starting with its 2020/2021 edition |
| Rebrand venue | Santa Clara Convention Center (merged with IoT World) |
| Current status | Neither “San Francisco” nor “Silicon Valley” editions appear in Informa’s live 2026-2027 AI Summit series lineup |
| Current flagship cities | London (10-11 June 2026), New York (9-10 December 2026) |
| Current satellite events | Singapore, Black Hat USA (Las Vegas), Australia |
| `theaisummit.com/sanfrancisco/` status | 301 redirect to the general series page, confirmed present since at least 2020 |
| Likely source of confusion | Databricks Data + AI Summit 2026, June 15-18, Moscone Center, San Francisco (unrelated event, different organizer) |
I pulled the redirect history directly from the Wayback Machine’s CDX index for `theaisummit.com/sanfrancisco/`, the most boring but most reliable way to check this kind of thing. The URL served a real, live event page with status code 200 through early 2019. Starting in 2019 and continuing through every capture I could find into 2026, the same URL returns a 301 redirect - a permanent redirect, not a temporary maintenance page, held in that state for roughly six years. A page that has redirected away from its own content for six straight years is not “between editions.” It has been retired.
I also went directly to theaisummit.com itself rather than trusting a cached snapshot. The current live site organizes the entire global series under “Flagship Events” (London and New York) and “Satellite Events” (Singapore, Black Hat USA, and Australia). There is no San Francisco listing, no Silicon Valley listing, and no note explaining a hiatus or a planned return. If Informa intended to bring the event back for 2026, this is the page where that announcement would appear, and it does not.
Why the “June 9-11, 2026” Date Doesn’t Check Out
This took the most digging of anything in this batch, because unlike CVPR or VivaTech, there was no single wrong-but-real date to correct here. The date attached to this page did not come from a delayed press release or a stale cache of a real future event - it came from somewhere else entirely.
Multiple event-aggregator social accounts (the kind that auto-post “save this” event summaries across Instagram) repeat an identical phrase: “AI Summit San Francisco 2026. June 9-11, 2026, San Francisco, CA, USA… Moscone West.” That exact phrasing showing up across several unrelated accounts is the signature of aggregator bots re-publishing the same underlying, wrong data point rather than independently reporting it. Tracing the actual June dates for real Moscone-area AI events in 2026 turns up the likely source of the mix-up: Databricks’ Data + AI Summit 2026 ran June 15-18, 2026, across Moscone North, West, and South in San Francisco - three days later than the “June 9-11” figure being repeated, at the same venue complex, with a nearly identical name. That is a plausible, if sloppy, source for exactly the kind of date-and-venue confusion that ended up baked into this page’s ACF fields.
Compounding the confusion, a separate marketing-agency roundup lists “AI Summit San Francisco 2026” with a third, conflicting date: March 18-20, 2026, at “Moscone Center.” Neither date traces to anything Informa has published, and the fact that they contradict each other tells you neither is authoritative.
There is also a smaller wrinkle worth flagging. One popular event-directory site currently lists “AI Summit San Francisco (AI Summit SF)” as a July 2026 event at the Palace of Fine Arts organized by a group called GPTDAO - but that same listing’s own description text actually talks about a different event, the “GenAI Summit San Francisco,” running July 15-17, 2026, at Moscone Center. The user reviews on that listing date back to September 2019, meaning the directory has quietly re-used an old, orphaned 2019 listing for an unrelated 2026 event with similar branding. None of this is Informa’s AI Summit series - it is a naming collision that keeps polluting search results years after the original event stopped running.
What’s Actually Happening in San Francisco AI Conferences in 2026
If you landed on this page looking for a real AI conference in San Francisco around mid-2026, here is what genuinely happened, based on primary event pages rather than aggregator guesses.
Databricks Data + AI Summit 2026 is the real, large-scale event that most closely matches the timeframe and venue people associate with “AI Summit San Francisco.” It ran June 15-18, 2026, across Moscone North, West, and South, per Databricks’ own event page, and is the company’s flagship annual conference covering lakehouse architecture, machine learning, and open-source data tooling, with 800+ sessions on the agenda. This is a vendor-run product conference, similar in spirit to the enterprise-AI focus the old AI Summit San Francisco carried, but it is organized entirely by Databricks and has no connection to Informa or the AI Summit brand.
GenAI Summit San Francisco is a smaller, separately organized event that has run annually since around 2023-2024, most recently associated with mid-July 2026 dates near Moscone Center. Its organizer is different from both Databricks and Informa, and its branding is close enough to “AI Summit San Francisco” that it shows up in the same searches - but it is not the same event, and it runs at a much smaller scale.
Beyond those two, San Francisco hosts a dense AI events calendar most years - HumanX, Ai4, and the AI Engineer World’s Fair all touch the city at different points. None of them are “The AI Summit San Francisco” as this page previously implied, and I am not bolting a fake recap of one onto this page just to have something to report.
Where Is The AI Summit Series Actually Running in 2026?
If what you actually want is the genuine Informa-run AI Summit series, just relocated, here is where it lives in 2026 and 2027, straight from the series’ own current page.
The AI Summit London remains the series’ flagship event, running 10-11 June 2026 (and 9-10 June 2027) at Tobacco Dock in London. With San Francisco off the table, London is the closest thing left to the original event’s scale and enterprise-AI focus.
The AI Summit New York is the other flagship, running 9-10 December 2026 (and 8-9 December 2027) at the Javits Convention Center. If you specifically want the U.S. version of this series now that San Francisco is gone, my guide to The AI Summit New York 2026 covers what to expect from the American edition of this exact series.
Three satellite events round out the lineup: The AI Summit Singapore, alongside ATx Enterprise (19-21 May 2027, Singapore Expo), covered in my AI Summit Singapore 2027 guide; The AI Summit at Black Hat USA (4 August 2026, Mandalay Bay, Las Vegas), an add-on track inside the larger Black Hat security conference; and The AI Summit Australia (7-9 September 2026, Melbourne Convention and Exhibition Centre), covered in my AI Summit Australia 2026 guide. None of these five events is in San Francisco, and nothing in Informa’s current marketing suggests that is changing for 2027.
Attendance and Scale: What the Numbers Actually Show
Because there is no 2026 edition, there is no 2026 attendance figure to report, and I am not going to invent one. What I can report with real sourcing is the scale of the event before it stopped running under this name.
The 2018 edition - the one before the final confirmed 2019 run - drew more than 200 speakers and roughly 4,000 delegates, per AI Business’s own coverage at the time. That is a genuinely sizeable enterprise conference, though nowhere near the scale of a mega-conference like Databricks’ Data + AI Summit, which draws tens of thousands. I could not find an independently published attendance figure specific to the final September 2019 edition, and the rebranded AI Summit Silicon Valley’s first combined edition with IoT World, in November 2021, has no confirmed number either - Informa’s own November 2020 announcement described ambitions, not results.
That gap is informative on its own. Organizers publish attendance figures when events keep running successfully, because bigger numbers are good marketing. The absence of a published headcount for the Silicon Valley edition, combined with its disappearance from Informa’s current lineup within a few years of the rebrand, is consistent with an event that underperformed after 2019 and was eventually shelved.
Was AI Summit San Francisco 2026 Worth Attending? My Honest Take
This is normally where I tell you whether an event delivered for the audience it was built for. I cannot do that here, because there was no event to deliver anything. What I can tell you is what to do with the fact that you searched for it.
If you were specifically trying to attend the historical, Informa-run AI Summit San Francisco - the one with IBM, Netflix, and Facebook executives on stage back in 2018 and 2019 - that event does not exist anymore under any name you can currently register for. Its direct descendant, AI Summit Silicon Valley, is not in Informa’s current 2026-2027 lineup either. The honest move is to look at where the same organizer and the same enterprise-AI positioning now show up: London and New York, covered above.
If you were actually trying to find a large AI conference happening in San Francisco in June 2026 specifically, you were very likely thinking of Databricks’ Data + AI Summit - a genuinely major event, 800+ sessions across four days at the full Moscone Center, just run by a different company with a different agenda (data engineering and ML infrastructure, not the broader enterprise-AI-strategy framing the old AI Summit used). It is worth attending or watching the replays for if your work touches the data and ML stack, but it is not a substitute for the C-suite programming the old AI Summit San Francisco used to run.
If you landed here from a listicle or a bot-generated event calendar naming “AI Summit San Francisco 2026” with a specific date, that source was wrong, and given how many conflicting dates I found for the same non-existent event, I would treat every other date on that same source with real skepticism.
Frequently Asked Questions
Is there an AI Summit San Francisco in 2026?
No. The AI Summit San Francisco, run by Informa, has not held an edition since 2019. Its `theaisummit.com/sanfrancisco/` URL has been a permanent redirect to Informa’s general AI Summit series page since at least 2020, and that series page lists no San Francisco event for 2026 or 2027.
What happened to the AI Summit San Francisco?
It was rebranded. Starting with its 2020/2021 edition, AI Business (Informa’s own trade press) confirmed the event became “AI Summit Silicon Valley,” merged with IoT World, and relocated to the Santa Clara Convention Center. That rebranded version has since also disappeared from Informa’s current AI Summit series lineup.
Where did the “June 9-11, 2026” date for this event come from?
It does not trace to any source Informa has published. The most likely explanation is confusion with Databricks’ Data + AI Summit 2026, a large, unrelated conference that ran June 15-18, 2026, at Moscone Center in San Francisco - a different event, run by a different company, with a similar name and the same city.
What is the biggest AI conference in San Francisco in 2026?
Databricks’ Data + AI Summit 2026 is the largest and best-documented, running June 15-18, 2026, across Moscone North, West, and South with 800+ sessions. It focuses on data engineering, machine learning, and lakehouse architecture rather than the broader enterprise-AI-strategy programming the old AI Summit San Francisco used to run.
Where is the AI Summit series (formerly including San Francisco) running now?
Its two flagship events are The AI Summit London (10-11 June 2026, Tobacco Dock) and The AI Summit New York (9-10 December 2026, Javits Convention Center). Three satellite events also run: Singapore, Black Hat USA in Las Vegas, and Australia.
Should I trust other sites listing “AI Summit San Francisco 2026” dates?
Treat any specific date with skepticism until you can verify it against Informa’s own AI Summit series page or another primary source. I found at least three different, mutually conflicting dates circulating for an event that does not currently exist, which is a strong sign the underlying data is aggregator noise rather than fact.
The Bottom Line
AI Summit San Francisco 2026 is not a real, scheduled event. The version of this page you might have seen before - June 9-11, 2026, linking to `theaisummit.com/sanfrancisco/` - described an event that stopped running in its original form after September 2019, was rebranded to AI Summit Silicon Valley, and has since dropped out of Informa’s current AI Summit series entirely. The date attached to the old version of this page does not trace to anything Informa has published, and most likely got confused with Databricks’ unrelated Data + AI Summit, which is the real large-scale AI conference that did run in San Francisco in June 2026.
The broader insight: event dates circulating on social aggregators and directory sites for anything AI-related right now are frequently wrong, recycled, or attached to the wrong event, because the sheer volume of new “AI Summit”-branded events has outpaced anyone’s ability to fact-check them. Before you book travel or register for a pass based on a date you saw in a feed, check the organizer’s own site the way I did here.
If the genuine AI Summit series is what you are after, the New York and Singapore editions linked above are both real, confirmed events from the same organizer. For everything else happening across the AI conference calendar, check my AI events hub - every guide there gets the same primary-source check this one just got. Want a heads-up the moment new AI event coverage and deal alerts go live? Subscribe here.