Three labs shipped models within 48 hours and cut prices doing it: OpenAI’s GPT-6 Sol and Luna, Anthropic’s Claude Opus 5.5, and xAI’s Grok 4.7. Google released new text-to-speech models, Anthropic reports Claude discovering a novel enzyme system, and there is one critical F5 zero-day to patch.
From the labs
- Introducing GPT-6 Sol and Luna — OpenAI (+ Better prompt caching for GPT-6)
- Introducing Claude Opus 5.5 — Anthropic
- Introducing Grok 4.7 — SpaceXAI
- Gemini 3.8 text-to-speech says hello — Google (+ Gemini 3.8 TTS Playground)
- Claude discovers a novel enzyme system with CRISPR-like repeats — Anthropic
Worth your time
- Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war — Simon Willison