Plain AI Daily

AI News, Explained

Same-day plain-English explainers for every major AI release: what changed, whether you get it, whether it is free, and what it means for you.

anthropicJul 4, 2026

Claude Fable 5 and Mythos 5 Explained: Anthropic's New AI in Plain English

Claude Fable 5 is Anthropic's most capable public AI ever, launched June 9, 2026, then briefly pulled by US export controls and restored worldwide on July 1. You get it on paid Claude plans (within limits through July 7, usage credits after). Mythos 5 is the same model, restricted to vetted security and research partners.

anthropicJul 4, 2026

Claude Sonnet 5 Explained: What's New and What It Means for You

Claude Sonnet 5 is Anthropic's new default AI model, live since June 30, 2026. If you use the free Claude app, you already have it -- it quietly replaced Sonnet 4.6 at no cost. Anthropic says it performs close to its top Opus 4.8 model and is better at planning and using tools like browsers.

googleJul 4, 2026

Gemini 3.1 Pro Explained: What Google's Smarter Model Means for You

Gemini 3.1 Pro is Google's advanced reasoning model, released February 19, 2026. You can already use it: free Gemini app users get limited access, while Google AI Pro and Ultra subscribers get higher limits plus NotebookLM. Google Search's AI Mode still runs the older Gemini 3 models.

openaiJul 4, 2026

GPT-5.6 Sol Explained: What's New and What It Means for You

GPT-5.6 Sol is OpenAI's new flagship model, previewed June 26, 2026 -- but you cannot use it yet. It is in a limited preview with vetted partners, coordinated with the US government, while ChatGPT users stay on GPT-5.5. OpenAI says wider access arrives in the coming weeks.

xaiJul 4, 2026

Grok 4.5 Explained: What xAI Actually Announced and Whether You Can Use It

Grok 4.5 is real but you cannot use it. Elon Musk confirmed it on June 28, 2026: a new model built on xAI's 1.5-trillion-parameter V9 foundation, running in private beta at SpaceX and Tesla only. There is no public release date. On X today, you are using Grok 4.1 or 4.3.

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