Excited to share that @VMO2News has launched an AI voice agent built with Sierra, making it easier for customers to get the help they need sierra.ai/uk/customers/virgi…

Excited that Sierra is partnering with @libertyglobal — a telecommunications leader with significant scale in Europe and a deep understanding of European consumers. It's great to be working with Mike and the team as we roll out agents across their companies that will help improve customer experiences, reduce the burden on support teams and grow their revenue.

Proud to partner with @Figure and @MBTannenbaum on an agent that is truly driving revenue growth - proactively engaging over weeks and months until the job of helping people refinance their homes is done.

I am excited to welcome @paulfchristiano to the OpenAI Foundation Board, where he will also serve the Safety and Security Committee. As the capabilities of models approach AGI, alignment and safety are the most important obligations of OpenAI, and Paul brings unparalleled frontier AI safety experience to the Board. openaifoundation.org/news/pa…

Today, most agents are built with the help of other agents like Sierra's Ghostwriter. Yesterday, Sierra open-sourced hyper-𝜏-bench (published as 𝜏^𝜏-bench), a new long horizon agent evaluation that measures how well models can not only act as an agent, but construct one. sierra.ai/blog/hyper-t-bench…

We’re proud to officially announce our partnership with @flyPAL, the Philippines’ flag carrier. Philippine Airlines has deployed an AI voice agent powered by Sierra to deliver more natural, responsive customer support at scale. Together, Sierra’s conversational AI platform and ibex’s CX expertise are helping PAL automate routine requests while connecting travelers with human support for more complex needs. Philippine Airlines is known for service grounded in genuine care. We’re honored to help bring that same spirit to every customer conversation and excited to build the future of travel experiences together.

Introducing GPT‑6 Astra, the world’s most intelligent and aligned model openai.com/index/gpt-6-astra…

I'm excited to announce that Julia Brau Donnelly will be joining Sierra as our Chief Financial Officer. Julia has seen companies from almost every side: as an investment banker, a private-equity investor, an operator at Wayfair, and as CFO of Pinterest. That range of experience and adaptability is so valuable in an industry that is changing at a pace none of us have seen before. Most of all, Julia embodies our culture: low ego, high agency, and excited to roll up her sleeves to get the work done. And there’s a lot of building to do. Just two and a half years since launch, Sierra has become the leading customer-facing conversational AI platform. The business is growing much faster than even our most optimistic predictions, hitting $100M in ARR in just seven quarters and $200M in nine quarters. We now work with over 40% of the Fortune 50, one in three of the leading banks, five out of 10 of the largest healthcare companies in the world, and 25% of the IBEX 35. With the shift from one-and-done service agents to revenue-aligned long-horizon agents, the opportunity for Sierra just got much, much bigger. Julia — welcome to Sierra! @claybavor and I are so excited to have you on the team.

It's getting harder to fit all of Sierra in one selfie 🤣

So happy for @noahrshinn - I am proud his path to inevitable success led him through Sierra. He is one of a kind wsj.com/tech/ai/the-latest-v…

Sierra is opening an office in Seoul! 🇰🇷 If you're based in South Korea, and excited about building better customer experiences and driving growth with AI — we’d love to hear from you. Read more: sierra.ai/blog/sierra-launch…

we support business privacy! openai.com/index/offering-ze…

We temporarily slowed some frontier training to strengthen security and monitoring. Our largest planned frontier RL run remains on hold while smaller-scale training and evaluations help us test safeguards and gather more evidence of alignment. I expect confidence in safety to increasingly set the pace of AI development. We urgently need tools for labs and countries to coordinate on this, which is why I signed Pacing the Frontier. In the meantime, we’re taking practical steps ourselves - and will continue to share what we learn as our approach evolves. openai.com/index/pacing-mode… pacingthefrontier.com/

As models become more capable, the risks associated with developing and testing them internally also grow. We temporarily paused reinforcement learning (RL) training on our latest models intended for deployment for two weeks while we hardened and red-teamed our research environments and expanded monitoring coverage. Our largest planned frontier RL run remains on hold while smaller-scale training and evaluations validate these safeguards and establish more evidence of alignment. openai.com/index/pacing-mode…

Excited to join Saul Van Beurden from Wells Fargo at the CNBC AI Forum on October 1 to discuss how companies can build better customer experiences and drive growth with AI agents

It was great to be on stage last week in San Jose with Christian Nascimento. We had a long conversation about sovereignty, tokenomics, security, and how to drive ROI from AI investments. My favorite anecdote from Christian: the Comcast Business agent they built with Sierra is closing deals 60% faster than any other digital channel. I'm so proud of Sierra's partnership with Comcast and love seeing the impact of agents on B2B sales.