OpenAI and Anthropic warning about a future they're building at breakneck speed OpenAI and Anthropic, the world's two largest AI labs, are warning about the risks of uncontrollably fast AI development while simultaneously releasing new models at breakneck speed. In recent policy papers and blog posts, both companies called for a coordinated slowdown or pause in frontier model development to allow government regulation to catch up, even as they launched GPT-5.5 and Claude Fable 5 and pushed for rapid adoption of their AI agent tools. The warnings come ahead of both companies' highly-anticipated public offerings. The two biggest AI labs in the world keep warning us about a future they're rapidly building toward. In the past two months, both frontier AI labs have released a flurry of policy and research papers https://www.businessinsider.com/anthropic-ai-us-gain-lead-china-2026-5 warning of similar risks — uncontrollably fast AI development alongside government regulation that fails to keep up. This has come amid both companies releasing new AI models, including GPT-5.5 and Claude Fable 5. In a paper released last week, Anthropic called for a coordinated "slowdown or pause" in frontier model development across countries to allow policy frameworks to catch up. "Without a global coordination mechanism, companies and governments will have to make difficult decisions about safety while under competitive and geopolitical pressures," it wrote. Anthropic CEO Dario Amodei reiterated this in a blog post he published on Wednesday. He said AI is moving at a "lightning pace" while policy is "moving very slowly." Similarly, OpenAI's CEO Sam Altman and chief scientist Jakub Pachocki wrote in a Monday blog post that there needs to be the formation of an "international organization that helps coordinate leading AI efforts to reduce catastrophic risk." They said that this organization should slow frontier AI development down so that "societal resilience, safety, and alignment can keep pace." These articles have been published while both labs released new AI models at breakneck speed. On Tuesday, Anthropic released Claude Fable 5, its latest and most powerful "Mythos-class" model. To be sure, this model includes a range of guardrails. If it detects requests https://www.businessinsider.com/anthropic-claude-fable-5-safeguards-block-requests-cybersecurity-biology-2026-6?utm source=chatgpt.com related to topics like cybersecurity or distillation attacks, Claude will either route them to Anthropic's Opus 4.8 model or steer users toward a different prompt. And OpenAI released its GPT-5.5 model in late April, which it called its "smartest and most intuitive" model to date. It said the model will understand what work the user is doing and can carry more of the work itself. The companies have also been encouraging rapid adoption through free usage perks https://www.businessinsider.com/openai-anthropic-out-freebie-each-other-codex-claude-code-2026-5 for Codex and Claude Code, the tools through which companies can build AI agents to automate workflows and increase productivity. Anthropic and OpenAI's cautionary blog posts come before both of them make their highly-anticipated public offerings https://www.businessinsider.com/openai-anthropic-ai-ipo-spacex-stocks-stock-market-investing-trade-2026-6 . OpenAI said on Monday that it confidentially filed its S-1, about a week after Anthropic. Representatives for Anthropic and OpenAI did not respond to requests for comment from Business Insider.