Checked fact 217422 Oct 2026Safety and security
On 5 August 2025 OpenAI released open-weight models (gpt-oss) under the Apache 2.0 licence.
The exact words it rests on
OpenAI August 5, 2025 [...] Available under the flexible Apache 2.0 license
What the source said when we opened it, on 21 Oct 2026.
The source
Introducing gpt-oss
Checked
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In the story
Who is Sam Altman? 22 Oct 2026
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