Fable 5 is smart and Grok 4.5 is efficient, but GPT-5.6 is my new favorite AI model, especially for vibe coding.

I tested GPT-5.6 (ChatGPT Work) to streamline the job search. In this experiment, I reveal how Sol, Terra, and Luna help with ...

Red, an in-house AI hacker that attacks its own models to harden GPT-5.6 against prompt injection, and it works too well to release.

Claude Fable 5 free access for paid subscribers ends July 19 at 11:59 PM PT, the third extension in five weeks. After Sunday, ...

Claude looks substantially more token-hungry than OpenAI's GPT-5.x, thanks to the new tokenizer that Anthropic shipped with ...

Anthropic and OpenAI are loosening usage limits for Fable 5 and GPT-5.6 Sol, their latest and most powerful models.

OpenAI is temporarily removing the 5 hour usage limit for Plus, Business, and Pro users across Codex and ChatGPT Work, and making GPT 5.6 Sol more efficient so your usage goes further.

I gave Claude Fable 5 and GPT-5.6 the same physics problem — the wrong model impressed me.

GPT 5.6 vs Fable 5 comparisons reveal similar results for basic creative tasks. Sol adds native image generation but ...

ChatGPT for PowerPoint went generally available for Business workspaces on July 6, 2026, with a free window closing August 6.