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OpenAI DevDay live updates: Sam Altman delivers opening keynote

Protestors rally outside OpenAI’s DevDay event venue

Protestors gathered outside OpenAI’s annual DevDay venue in San Francisco Tuesday, showing a variety of messages against the rapidly-evolving tech.

People protest outside of a venue where OpenAI holds its annual DevDay event in San Francisco, California, US, Sept. 29, 2026.

Carlos Barria | Reuters

A man holds a placard during a protest outside the venue where OpenAI holds its annual DevDay event in San Francisco, California, US, September 29, 2026.

Carlos Barria | Reuters

A man holds a placard during a protest outside the venue where OpenAI holds its annual DevDay event in San Francisco, California, US, September 29, 2026.

Carlos Barria | Reuters

Altman takes the stage to deliver DevDay keynote

Altman just took the stage to deliver the DevDay keynote.

“I think this is going to be our best Dev Day yet.” he said.

—Ashley Capoot

Altman says he’s seen trailer for upcoming film about his ouster: ‘looks like an awful movie’

Altman said he has seen the trailer for “Artificial,” the upcoming movie about his brief and dramatic ouster from OpenAI in 2023.

“I mean, looks like an awful movie, but I appreciate people’s creativity, and I really do support that,” Altman said. “So I hope they have a fun time with it.”

He said he does understand why people have anxiety about AI, and that “if they need to like project that anxiety onto someone or have like a little bit of relief and poke fun at me, it doesn’t bother me.”

—Ashley Capoot

Altman on IPO plans: ‘I don’t have a particular timeline in mind’

Altman said he doesn’t “have a particular timeline in mind” for when OpenAI will IPO. He said once the company feels like it understands how to contend with the next level of AI and do so safely, he thinks it’s possible.

“Barreling forwards with an IPO, while I think things feel so in flux, and I really want to be able to just focus on the mission and not with all of the challenges of being a newly public company, I just, I don’t want to do that,” Altman said. “I really think this is a time to put safety and mission first.”

—Ashley Capoot

Altman on hardware: “Something that’s worth waiting for” could be on horizon

OpenAI CEO Sam Altman teased there could be “something that’s worth waiting for” coming in the AI hardware space soon.

But beating others in that part of the race isn’t top of mind, he told CNBC’s Kate Rooney, when asked about competitors like Mark Zuckerberg and Meta’s latest AI chip rollouts.

“I am not worried about being first with new hardware. New hardware is very hard to do,” he said. “New computing form factors come along very rarely, and the quality bar that we want to hit for something that you will love and really be a key part of the way you interface with AI, that’s going to take a while, and we’re going to do that at a high level of quality.”

— CJ Haddad

Altman says he doesn’t want to be ‘too optimistic’ about potential for regulation out of Washington

Altman told CNBC he doesn’t want to be “too optimistic” about the potential for international coordination on AI or new regulation out of Washington, D.C.

“I have been wrong before when I thought something was going to happen in D.C., and, you know, it didn’t, he said. “But I do feel like people are taking it seriously this time, and in spite of previous experience, I’m optimistic.”

—Ashley Capoot

OpenAI has the ‘best models to offer at every price point,’ Altman says

Altman said he thinks OpenAI has the “best models to offer at every price point.” He added that he doesn’t think there’s an open-source model on the market that beats OpenAI on a cost-price comparison.

Chinese open-source models have gained steam against leading offerings from American companies like OpenAI, which primarily develops more expensive, closed models. The narrowing gap has sparked a fierce debate in Silicon Valley about whether the Chinese models should be restricted.

“Speaking of cost generally, come watch,” Altman said. “We got, we got some cool stuff.”

—Ashley Capoot

Altman talks Nvidia’s agent safety platform: ‘It’s a good thing’

Altman said that Nvidia’s latest AI software platform, released this week to stop AI agents from misbehaving, was a “good thing,” but not a “full solution.”

“From what I know about it, and I’m not super into the details, I think it’s a good thing. I think we are doing similar things,” he said, when asked why OpenAI didn’t sign onto the project.

Notable names like Cisco, Microsoft, Oracle, CoreWeave, Dell, Intel and others were named by Nvidia as partners during Monday’s release.

“I don’t think it’s a full solution, and I worry that if we treat AI safety as only an engineering problem, we will miss the very important point that we have we have a science problem in front of us. We still have discovery about how to align these models, and we have to solve that scientific problem too,” Altman said.

— CJ Haddad

Altman teases DevDay announcements

Altman told CNBC that OpenAI will have more than 20 announcements at DevDay, which will showcase new ways to use AI and new tools for developers.

“There’s really a lot of, I think, exciting stuff,” Altman said. “It is cool to see all of this come together, and the degree to which I think we just have the best offering for developers across the board.”

—Ashley Capoot

Altman says he expects liability framework for AI industry to be a ‘multi-level thing’

OpenAI CEO Sam Altman attends an interview on the day OpenAI holds its annual DevDay event in San Francisco, California, US, Sept. 29, 2026.

Carlos Barria | Reuters

Altman said a “liability framework” for the AI industry is being heavily debated, and he said he expects “there will be a sort of multi-level thing.”

He used the auto industry as an example and said there’s different ways to hold car manufacturers and irresponsible drivers accountable.

“If someone’s driving drunk, it’s their fault,” Altman said. “Depending on whether the fault is in the model and how it’s used, or someone misusing it intentionally, I assume we’ll have like a new liability framework,” Altman said.

—Ashley Capoot

Altman says he’s not threatened by Zuckerberg, but that Muse ‘seems like a nice product’

Altman says Meta’s Muse AI agent “seems like a nice product,” but said that he’s not threatened by Meta CEO Mark Zuckerberg.

“He’s like a very impressive person, and that company has like great resources,” Altman said. “But I feel very good about our roadmap.”

—Ashley Capoot

Altman: No other incident was “as serious” as Hugging Face breach

Omer Taha Cetin | Anadolu | Getty Images

Altman said he wasn’t aware of any AI incidents that were “as serious” as the attack on open-source software developer platform Hugging Face, which the company disclosed earlier this summer.

“So there’s nothing else that I’m aware of, or that we’re aware of, that is as serious as the Hugging Face incident,” he told CNBC’s Kate Rooney in an interview.

The breach, where a swarm of OpenAI agents broke out of a training environment and hacked the company, added to existing concerns over the rapidly evolving tech’s capabilities.

— CJ Haddad

Altman explains company’s decision not to release GPT-6.1 Astra

Altman told CNBC that he would put OpenAI’s decision not to launch an upcoming AI model, GPT-6.1 Astra, in the “normal course category.”

He said AI has to be built “for people,” which means that it has to be safe and under human control, but that he wouldn’t “over rotate” on the company’s decision to hold the release. Altman added that OpenAI has “many great new models to come.”

“Often we build a model, we test it, it doesn’t meet our standards, we change it, we launch it later,” Altman said.

—Ashley Capoot

OpenAI apologizes after its models gained unauthorized access to Australian government websites

OpenAI CEO Sam Altman attends the United Nations Security Council (UNSC) meeting on Artificial Intelligence during the 81st UN General Assembly, at UN Headquarters in New York City, US, September 23, 2026.

Selcuk Acar | Anadolu | Getty Images

OpenAI apologized to the Australian people in a blog post on Monday after disclosing last week that its models gained unauthorized access to Australian government websites earlier this year.

Australian Prime Minister Anthony Albanese said Thursday that an OpenAI agent accessed public and non-public files from its public-facing Medicare statistics portal in June. He said in a press conference that he spoke with Altman about the incident and expressed concern and disappointment about how long it took OpenAI to disclose what happened. 

“We are sorry and working to do better in the future,” OpenAI said in the post.

The company said Jason Kwon, its strategy chief, will fly to Australia to appear at the Joint Select Committee on Artificial Intelligence in Sydney on Oct. 6. There, he will answer questions about the incident and OpenAI’s response.

“We know we have a lot of work ahead of us to rebuild trust, and that we are accountable for showing Australians that we’re making meaningful changes and following through on our promises,” OpenAI said.

—Ashley Capoot

Congress can’t make ‘knee-jerk reaction’ to overregulate AI, Speaker Johnson says

House Speaker Mike Johnson told CNBC that the frontier labs are so far ahead of Congress that lawmakers can’t take a “knee-jerk reaction” to overregulating the industry.

“I have resisted the siren song to jump in and do these blanket moratoriums and all of this, you know, hyper regulation because we cannot lose our edge to China,” Johnson said.

The speaker, who is joining the president and tech executives at a luncheon this afternoon at the White House, said he hopes that AI guardrails are voluntary and need to strike a balance.

—Chris Eudaily

OpenAI posts video teasing DevDay keynote

OpenAI posted a short video on X teasing DevDay’s opening keynote.

“10am PT, on the dot,” the company wrote.

—Ashley Capoot

Meta’s AI chief pokes fun at DevDay in post on social media

Alexandr Wang, chief AI officer of Meta, during the Bloomberg Tech conference in San Francisco, California, US, on Thursday, June 4, 2026.

David Paul Morris | Bloomberg | Getty Images

Alexandr Wang, Meta’s AI chief, poked fun at DevDay in a post on X late Monday. He shared an image of ships flying through the sky toward the animated circular character that OpenAI has been using to promote the event.

Wang has been heavily promoting Meta’s new Muse AI agent on social media since its launch earlier this month.

—Ashley Capoot

OpenAI President Greg Brockman to miss DevDay, attend luncheon with Trump

Greg Brockman, president of OpenAI, arrives at a federal courthouse as the trial in Elon Musk’s lawsuit over OpenAI’s for-profit conversion continues, in Oakland, California, May 6, 2026.

Manuel Orbegozo | Reuters

OpenAI President Greg Brockman will be absent from DevDay this year. He’s slated to attend a luncheon with President Donald Trump and House Speaker Mike Johnson in Washington, D.C., instead, according to a source familiar with his plans.

Other major tech executives, including Anthropic CEO Dario Amodei, Meta CEO Mark Zuckerberg and Alphabet CEO Sundar Pichai, are also attending the luncheon.

—Ashley Capoot

OpenAI shows momentum in enterprise and consumer businesses, source says

OpenAI reportedly seeing deeper losses in second quarter while sales grew sequentially

OpenAI is preparing for what is widely expected to be a massive IPO next year. The company, which is valued at nearly $1 trillion, confidentially filed its prospectus with the Securities and Exchange Commission in June.

During its third quarter, OpenAI’s enterprise business more than doubled, according to a person familiar with the details who was not authorized to speak publicly. The company also generated more consumer run rate revenue in the last 90 days than all of last year, the person said.

OpenAI’s last revenue run rate was near $40 billion in August, CNBC has reported.

OpenAI saw a 70% jump in revenue growth quarter to date, up 20% in September alone, this person said. That increase would put OpenAI’s annual revenue run rate at around $68 billion.

—Ashley Capoot and Kate Rooney

Altman teases DevDay on social media 

AI safety concerns in focus

Altman has shared several posts on X ahead of DevDay, hinting at the various products and features that the company plans to “ship,” or launch, at the event. 

—Ashley Capoot 

OpenAI ditched plan to release upcoming model over safety concerns 

OpenAI CEO Sam Altman sits for a conversation with Salesforce CEO Marc Benioff at Salesforce’s Dreamforce conference at the Moscone Center on September 15, 2026 in San Francisco, California.

Benjamin Fanjoy | Getty Images

OpenAI on Monday said it decided not to release an upcoming AI model, GPT-6.1 Astra, after determining that it did not adequately meet the company’s safety standards.

“Of course we want to make sure our model development is safe no matter whether that’s in the company, or when we ship it to users,” Saachi Jain, head of safety systems at OpenAI, said in a statement. “But when we ship it to users, we have an extremely high bar in terms of safety and alignment.”

Earlier this month, OpenAI released GPT-6 Astra, which the company described as the product of “years of research and big bets.” OpenAI introduced two additional tiers to its GPT-6 family, GPT-6 Sol and GPT-6 Luna, last week. 

A spokesperson said Monday that the company has other models coming soon.

—Ashley Capoot 

Here’s what’s on the schedule for this year’s DevDay

People gather outside the OpenAI DevDay on Oct. 6, 2025.

Ashley Capoot | CNBC

OpenAI has shared a sneak peek of the DevDay schedule on the event’s website. Here’s what’s in store:

  • 8 a.m. PT: Breakfast for attendees
  • 10 a.m. PT: Opening keynote, featuring Altman 
  • 11:30 a.m. PT: Lunch for attendees
  • 11:15 a.m. – 3:30 p.m. PT: Breakouts and programming for attendees
  • 4:00 p.m. PT: Closing session 
  • 4:45 p.m. – 7:00 p.m. PT: Reception for attendees 

For those who can’t attend in person, the opening keynote will be livestreamed here.

—Ashley Capoot 

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