# AI News Digest

# AI News Digest - 2025-08-03

1. Anthropic reports a counterintuitive safety technique: activating “persona vectors” for sycophancy/evil during training can reduce those behaviors later without hurting performance, hinting at scalable alignment methods beyond post-training steering.  

2. Anthropic has blocked OpenAI’s API access to Claude over an alleged contract breach, escalating competitive tensions as OpenAI nears a GPT-5 launch.  

3. OpenAI has reportedly raised $8.3B at a $300B valuation while leaks suggest GPT-5 may bring incremental rather than breakthrough gains—underscoring investor confidence amid tempered expectations.  

4. Google’s AI infrastructure is reportedly straining under “massive” growth in model demand, signaling ongoing capacity and cost pressures for frontier AI deployment.  

5. Wan2.2 A14B now leads open-source video model rankings, highlighting rapid advances in community-driven video generation capabilities.

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