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As per the official statement, both models also perform strongly on tool use, few-shot function calling, CoT reasoning (as seen in results on the Tau-Bench agentic evaluation suite) and HealthBench ...
Chief Executive Officer Sam Altman previewed GPT-5 in February. At the time, he suggested that the model could offer a ...
"OpenAI has open-sourced its first reasoning model, gpt-oss-20b, a chain-of-thought reasoning model that runs directly on ...
In a major shift, the company is “open sourcing” two A.I. systems, freely sharing the technology with outside researchers and ...
For the first time in five years, OpenAI has released two new free and open-source AI models that are lightweight and ...
OpenAI is releasing models with open weights—but key details like architecture and training methods remain secret.