The frontier AI model race has entered its comparison shopping phase.
OpenAI and Anthropic both recently released new models aimed at lowering costs. Anthropic announced Opus 5.5, the latest version of its main mass-market workhorse model, used for tasks like coding and other complex knowledge work.
And OpenAI announced GPT-6 Sol and Luna, the latest versions of its middle-of-the-road or smaller models focused on efficiency and speed.Read full article
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Source: Ars Technica
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- Wire dispatch directly ingested from Ars Technica - All content.
- Published at Tue, 22 Sep 2026 21:25.
- Source URL: https://arstechnica.com/ai/2026/09/new-anthropic-openai-models-make-same-promise-a-little-more-for-a-lot-less-money/