On 22 September, OpenAI expanded its model family with Sol and Luna in ChatGPT Work and Codex. The company describes them as faster, more cost-effective alternatives, with improvements in areas including work tasks, programming and factual reliability.

For an everyday user, model names may matter less than how the work feels. Is it easier to get a clear draft, develop an idea or understand a question? Those are the things that determine whether the technology becomes genuinely useful.

OpenAI also highlights clearer communication, less jargon and fewer unnecessary details. That sounds promising for anyone who wants to get started without first learning a new technical vocabulary.

The lower prices announced apply to developers using the API; this is not an announcement of half-price ChatGPT subscriptions. Check your own service to see which models you can choose. Our hope is simple: more room to experiment, improve and help small ideas grow.