Lot dropped this week and there's a pretty clear through-line, so figured I'd pull it together. Model releases: - OpenAI launched GPT-5.6 (Sol/Terra/Luna). The bit worth noting isn't the flagship — it's Terra, reportedly matching GPT-5.5 quality at ~2x cheaper, with Luna aimed at the low-cost end. - Google shipped Gemini 3.5 Flash (beats 3.1 Pro on several benchmarks), plus Nano Banana 2 Lite (images ~$0.034/1K-res) and Gemini Omni Flash (video ~$0.10/sec via API). - xAI made Grok 3 GA a...