Edge AI Daily Morning Brief (October 28): Anthropic Files IPO Prospectus, OpenAI Releases GPT-6.1 Terra, Google Launches Genie 4

On October 26, Anthropic publicly filed its S-1 with the SEC, planning to list on Nasdaq under the ticker "ANT"; the prospectus discloses second-quarter 2026 revenue of 11.6 billion USD and operating profit of 974 million USD. On October 27, OpenAI released Terra, a mid-tier model in the GPT-6.1 family, focused on visual reasoning and desktop software operation, with standard API input priced at 1 USD per million tokens.