AI DAILY BRIEFING
OpenAI is expanding its content provenance approach to include text watermarking for ChatGPT and Codex in the EU to comply with the EU AI Act, acknowledging limitations such as watermark removal through rewriting or translation. Concurrently, OpenAI has optimized the default speed of GPT-6 Astra and GPT-6.1 Sol from 30 to 50 tokens per second across all products and partners. In a major acquisition, Nebius is acquiring AI inference optimization startup Eigen AI for over $1 billion, with founder Wang Hanrui joining as SVP to lead the Token Factory business. Additionally, Kaiming He's team released VISTA, a visual memory framework that significantly improved ARC-AGI-3 scores for Claude Opus 5 and GPT-5.6 Sol without training new foundation models.
OpenAI's text watermarking for EU AI Act compliance faces technical limitations, including easy removal and undetectability in short passages.
Nebius's acquisition of Eigen AI for over $1 billion highlights the growing importance of inference efficiency as a foundational resource in the AI era.
VA-Bench results show that while models excel at target recognition, full task success rates in embodied spatial intelligence are only about half, with Qwen3.8-max leading at 53.93%.
Watch next: Monitor the effectiveness and adoption of OpenAI's text watermarking in the EU, the integration of Eigen AI's technology into Nebius's Token Factory, and further developments in spatial intelligence benchmarks and visual memory frameworks like VISTA.