03:01 PM EDT, 08/05/2025 (MT Newswires) -- Microsoft ( MSFT ) -backed OpenAI said Tuesday it is releasing two open-weight language models at "low cost."

The company said the models outperform similarly sized open models on reasoning tasks, and are optimized on consumer hardware. They are available under Apache 2.0 license.

It also said the models were trained on a mix of reinforcement learning and techniques informed by OpenAI's internal models, including o3 and other frontier systems.

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