Goldman Sachs has limited the use of Anthropic’s Claude Code and Microsoft’s GitHub to its engineers, according to internal guidance updated in October and seen by Bloomberg News, Bloomberg reported on Monday, Nov. 2. Bloomberg said that for months the bank had allowed bankers to use the tools for work. It described the change as a ban on most of the bank’s staff using advanced AI tools designed for coding, and said it came after the bank reviewed productivity and risk concerns.
The change has frustrated some traders, Bloomberg reported, citing a person familiar with the matter who asked not to be identified discussing private information. That person said the traders had used the tools to speed up work such as monitoring client trading flows, modeling market changes and positions, and creating written and graphic content.
The directive does not apply to so-called “strats,” employees who sit at the intersection of trading, quantitative research and software engineering, Bloomberg said, citing another person who was not named.
Goldman spokesperson Nick Carcaterra was quoted by Bloomberg as saying: “We make certain AI tools available to our people to determine the best use cases across different parts of the firm. After a period of experimentation where we assess a variety of factors including productivity and risk management, we put them in the hands of those who are best suited to leverage them for the long term.” The comment as Bloomberg published it does not directly address the guidance.
Bloomberg noted that as recently as July, Goldman chief information officer Marco Argenti had touted “vibe coding” by non-technical employees such as traders and bankers. According to Bloomberg, Argenti said in an interview that those staff members had developed solutions with AI tools and passed them to one of the firm’s 12,000 engineers to improve.
Bloomberg also said this is not the first time the bank has pulled back on certain AI tools. Earlier this year, Goldman restricted the use of Anthropic’s Claude by its staff in Hong Kong, which Bloomberg described as a location-specific restriction. Goldman has also developed its own AI assistant that combines models from OpenAI, Anthropic and Alphabet, Bloomberg said.
AI Tech Daily has not seen the guidance, and the details above rest on Bloomberg’s reporting. The reprints of the story read for this report did not include a comment from Anthropic, Microsoft or GitHub. Related coverage: GitHub says agents started more than 40% of pull requests in September.
Sources
- Bloomberg News (Todd Gillespie) via Bloomberg Law: Goldman Restricts Traders and Bankers From Using Some AI Tools (November 2, 2026, 8:52 AM ET; paywalled on Bloomberg Law, so only the first two paragraphs were seen there and no bypass was attempted)
- Bloomberg via The Edge Malaysia: Goldman restricts traders and bankers from using some AI tools (November 2, 2026; full Bloomberg text, read in full)
- Bloomberg via Moneycontrol: Goldman restricts traders and bankers from using some AI tools (November 2, 2026; full Bloomberg text, read in full)
- AI Tech Daily: GitHub says agents started more than 40% of pull requests in September, up from 17% in March