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Some Japanese financial institutions have been granted access to OpenAI's GPT-5.5 model to help strengthen their defences against cyberattacks, Japanese Finance Minister Satsuki Katayama said on Friday. Katayama described the development as a significant advancement for Japan's financial sector following a meeting in Tokyo with Jason Kwon, OpenAI's chief strategy officer.
Voice agents have been expensive to run and painful to orchestrate, not because the models can't handle conversation, but because context ceilings forced enterprises to build session resets, state compression, and reconstruction layers into every deployment. OpenAI's three new voice models are designed to reduce that overhead, and they change how engineers can think about building voice into a larger agent stack.
OpenAI gave the U.S. government early access to its GPT-5.5 model for national security testing, said OpenAI executive Chris Lehane in a LinkedIn post.
On Monday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in sensitive areas such as law, medicine, and finance, while maintaining the low latency of its predecessor.
OpenAI on Monday began emailing more than 8,000 developers who applied for its invite-only GPT-5.5 party with a surprise consolation prize: a tenfold increase in Codex rate limits on their personal ChatGPT accounts, effective immediately and lasting through June 5. "We had over 8,000 people express interest in just 24 hours, and while we wish our office was big enough to welcome everyone, we weren't able to make space for every person who applied," the company wrote in the email, which VentureBeat obtained.
Sam Altman said he plans to throw a launch party for OpenAI's latest AI model, GPT-5.5. He asked the model what it would want for its own celebration — and it gave detailed suggestions.
OpenAI on Thursday released GPT-5.5, its newest AI model, which the company calls its “smartest and most intuitive to use model” yet. The algorithm comes with increased capabilities in a multitude of areas, with OpenAI co-founder and president Greg Brockman claiming that it also brings the company one step closer to the creation of OpenAI's “superapp.
OpenAI announced GPT-5.5, its latest AI model that is better at coding, using computers and pursuing deeper research capabilities. The launch comes just weeks after Anthropic unveiled Claude Mythos Preview, its new model with advanced cybersecurity capabilties.
OpenAI on Thursday introduced an artificial intelligence model touting increased biology knowledge and scientific research capabilities, as the startup deepens its push into the life sciences field.
OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically for defensive cybersecurity work, following rival Anthropic's announcement of frontier AI model Mythos.
GPT Group (GPTGF) Shareholder/Analyst Call Transcript
