Anthropic files for IPO, plans to list under ticker ANT

Anthropic filed for an IPO on Monday and plans to list under the ticker ANT. The filing does not disclose how much the company aims to raise or the offering price. Revenue for the first half of 2026 was $16.3 billion, and its operating loss narrowed to $693 million. On the same day, OpenAI released GPT-6.1 Terra, with standard API pricing 50% lower than the previous generation.