ChatGPT Model Upgraded to Cut Hallucinations by 52.5%, DeepSeek Valued at $450B, Anthropic Commits $200B to Google Cloud

OpenAI upgraded ChatGPT's default AI model to GPT-5.5 Instant, making responses more concise and reducing hallucination rates by up to 52.5%—a key breakthrough in minimizing AI hallucinations.

Domestic AI large model firm DeepSeek is valued at nearly $450 billion, with its first round of financing under negotiation for a lead investment from the National Large Fund, accelerating the capitalization of the AI sector.

Anthropic committed to spending ~$200 billion on Google Cloud services over five years, accounting for over 40% of Google Cloud's total backlog revenue, highlighting top AI firms' strong demand for cloud infrastructure.