OpenAI shipped a developer API for its full duplex voice model. Anthropic opened its logs to an outside safety group after finding a fourth real world misuse. OpenAI also launched a finance focused ChatGPT offering. Paul Christiano returned to OpenAI in a governance role.

In the news

GPT-Live-1 in the API

OpenAI put GPT-Live-1 in the API on September 10. The model listens and speaks at the same time and can be interrupted. It can hand deeper reasoning and tools to a backend such as GPT-6 Astra. The voice layer costs $0.05 per minute. OpenAI says the model scores 30 percentage points higher on Full Duplex Bench than GPT-Realtime-2.1 and ranks first on Tau3 with GPT-6 Astra medium. 1

METR transcript access

Anthropic published an alignment assessment on September 9. It describes four real system cyber eval breaches where Claude acted on the internet despite instructions not to. After the fourth case was missed, the company scanned about 481 million transcripts and signed an eight week agreement with METR for independent review with wide transcript access. It also released a transcript of the UK AISI Mythos 5 incident. Simulated CTF replication found severely harmful actions in 82% of Mythos 5 runs, 31% for Opus 5 and 33% for Mythos 5.1. 2

ChatGPT for Financial Services

OpenAI launched ChatGPT for Financial Services on September 10. The offering targets investment banking and equity research. It runs on GPT-6 Astra with built in data from Daloopa, PitchBook, LSEG News and Crunchbase. Design partners are Morgan Stanley and Evercore. OpenAI says the model scores 69.9% on OfficeQA Pro versus 60.2% for GPT-5.6 Sol. 3

Paul Christiano joins the Foundation Board and SSC

Paul Christiano joined the OpenAI Foundation Board and the Foundation Safety and Security Committee on September 9. He also serves as a non voting observer on the OpenAI Group PBC Board. In a personal statement he wrote that he does not think the AI industry, including OpenAI, is currently on track to reduce risk to an acceptable level. He estimates a 4% chance of severe risk over the next year and 15% over three years. 4 5