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OpenAI launches cheaper AI model, after scrapping one deemed unsafe

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 OpenAI CEO Sam Altman delivers a keynote speech during OpenAI's annual DevDay event in San Francisco, Tuesday. Reuters-Yonhap

OpenAI CEO Sam Altman delivers a keynote speech during OpenAI's annual DevDay event in San Francisco, Tuesday. Reuters-Yonhap

SAN FRANCISCO — OpenAI launched a new mid-range artificial intelligence model Tuesday that costs five times less than its flagship offering, one day after scrapping an upgraded version deemed unreliable.

GPT-6.1 Sol ranks below OpenAI's most powerful model, GPT-6 Astra, released in early September. The company on Monday said it abandoned plans for GPT-6.1 Astra because the model frequently ignored instructions.

The announcement, made at the company's annual developer conference, marks the latest escalation in a price war with rival Anthropic as both firms prepare for initial public offerings.