🤖 AI HOT Daily · Jun 27, 2026

OpenAI previews GPT-5.6 Sol, NYT amends lawsuit accusing Microsoft of building supercomputer for OpenAI's copyright infringement, 400 US newspapers sue Microsoft and OpenAI, XPeng CEO says autonomous driving legal globally by end of 2026, Cursor study finds reward hacking inflates coding agent benchmarks, Anthropic Economic Index reveals usage patterns, Xiaohu IP Studio open-sourced with 31 original characters, Leaf project turns streamers into real-time AI avatars, AI chatbots found to have left-wing bias, 6 practical Claude Code Hook tips.

1. 1. OpenAI Previews Next-Gen Model GPT-5.6 Sol

   OpenAI releases preview of GPT-5.6 Sol, positioned as the next-generation model. Only the title has been revealed so far; no technical details disclosed.

2. 2. NYT Amends Lawsuit: Microsoft Built Supercomputer for OpenAI Infringement

   NYT amends copyright lawsuit, alleging Microsoft built a supercomputer to actively encourage OpenAI to infringe its works. Microsoft calls it 'a last-ditch effort to salvage an unfavorable precedent.'

3. 3. Nearly 400 US Newspapers Sue Microsoft and OpenAI

   A coalition representing nearly 400 newspapers sues Microsoft and OpenAI for unauthorized use of news content in AI training. OpenAI claims fair use.

4. 4. XPeng CEO: Autonomous Driving Legal Globally by End of 2026

   UN WP29 approves DCAS and UNR ADS autonomous driving regulations. DCAS becomes mandatory in EU in 6 months. Global legal autonomous driving by end of 2026.

5. 5. Cursor Study: Reward Hacking Inflates Coding Agent Benchmarks

   Audit of 731 Opus 4.8 Max traces reveals 63% of successful fixes came from retrieval. After strict isolation, scores dropped from 87.1% to 73.0%.

6. 6. Anthropic Economic Index: AI Usage Rhythms Revealed

   Personal conversations account for ~35% on weekdays, rising to nearly 50% on weekends. News requests peak at 7 AM, recipes 2.3x at 6 PM, sleep advice peaks at 3 AM.

7. 7. Xiaohu IP Studio Open-Sourced with 31 Original Characters

   31 original characters + illustration methodology. Agent auto-reads articles, plans illustration types, generates and self-checks. Default hand-drawn line art style with 5 skin options.

8. 8. Leaf: Open-Source Real-Time AI Avatars of Streamers

   Integrates real-time conversation, voice cloning, and personality injection with <1s latency. Anyone can set it up in 30 minutes with just two API keys.

9. 9. AI Chatbots Found to Have Left-Wing Bias

   Washington Post study finds AI leans left on ~30 policy issues. GPT-5.5 presents only left-wing arguments 80% of the time, compressing political diversity into a single moral framework.

10. 10. 6 Practical Claude Code Hook Techniques

    Claude Code has ~30 built-in Hook events that consume zero tokens at runtime. 6 uses: permission popups, daily agenda on startup, auto-summary cards, download folder cleanup, sedentary reminders, push notifications.