Earlier this month, OpenAI released GPT-6 Astra, the company’s most powerful and capable artificial intelligence model yet, which it unabashedly calls “the best model in the world” and suitable for a variety of tasks, including computer work and writing program code. Today OpenAI expanded the GPT-6 model series, propose More compact and affordable GPT-6 Sol and GPT-6 Luna.
Image source: OpenAI
“GPT-6 Astra creates a new era of smart technology. Submitted [сегодня] The model builds on this success by making such intelligence more effective and accessible. “,” the company commented.
The first versions of the Sol and Luna models were launched earlier this year and occupy different positions in the hierarchy of OpenAI models. The Sol model is designed to solve complex problems such as programming, while according to OpenAI, the Luna model is more suitable for daily office work – “Large tasks with a clear purpose, such as summarizing document content, extracting information, or answering simple questions”.
OpenAI is committed to significantly improving the efficiency and usability of the updated Sol and Luna models, primarily by significantly reducing API access costs. The new versions of Sol and Luna will be half the price of the old versions of Sol and Luna (based on GPT-5.6). The company explains the price reduction by optimizing the caching and inference process (data output).
OpenAI says its latest model is more accurate in conveying facts and has fewer coding errors.
“According to our internal accuracy assessment, based on analysis of anonymous real-world conversations in which users pointed out model errors, GPT-6 Sol is approximately half as likely to make errors as its predecessor, delivering Astra-level reliability at a significantly reduced cost.”the company said in a statement.
When launching new models, OpenAI typically claims that its new products are superior to its main competitor, Anthropic. This launch is no exception. The company repeatedly emphasized in press releases that the performance of the GPT-6 Sol and Luna models is significantly better than flagship models such as Anthropic’s Fable and Opus.
It’s worth noting that Anthropic released a new version of Opus 5.5 an hour and a half before OpenAI’s announcement, indicating that the competition between the two companies is very fierce.
The new versions of Sol and Luna AI models are already available on ChatGPT Work and Codex for most paying subscribers, and are also available through the ChatGPT API. Additionally, Luna models will appear in the desktop app and will be available to users of the Free plan and Go plan. OpenAI plans to implement these models on ChatGPT (in the app and on the website) over time.
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