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AI & Enterprise

Mystery AI model Ox Alpha confirmed as China\'s Z.ai product

China\'s AI research lab Z.ai has been confirmed as the developer of the anonymous coding model Ox Alpha. The model appeared on OpenRouter without a logo, company name or separate announcement and drew millions of developer queries in a week. It supports a 1,048,576-token context window and can handle text, images and video. Developers and researchers traced it through tokenizer fingerprinting, server-response comparisons and error-format tests.

AI & Enterprise

OpenAI, Anthropic may tighten access to advanced model APIs - why

OpenAI and Anthropic are accelerating development of their own AI-based apps, creating increasingly delicate ties with companies that build services using the two firms\' model APIs. The Information reported that Canva cut its revenue growth forecast and is shifting to smaller models, open-source options and its own models to cut costs after some users moved to ChatGPT. The report said signals are growing that API access to top models could narrow for safety, policy and anti-distillation reasons.

AI & Enterprise

Anthropic runs unreleased Model 2 stronger than Claude Mythos 5

Anthropic said it is operating an internal AI model, Model 2, that performs better than its top publicly known model, Claude Mythos 5, but it does not plan to release it. In an AI risk report, the company disclosed safety review results for Mythos 5 and Model 2 and described Model 2 as slightly more capable. Employees also rated it as improved on many tasks, though gains were limited. Benchmark and safety test results were mixed.