# Open models by OpenAI

Source: https://openai.com/open-models
Kiwi News: https://news.kiwistand.com/stories/Open-models-by-OpenAI?index=0x68924c6546904c5b372529e1c606f9d9ea4586250f2fb8bda0888cca546c5d041dedfab0
Submitted by macbudkowski.eth on 2025-08-05 UTC, 4 upvotes, 1 comment

## Summary

OpenAI presents its open-weight reasoning models as customizable for any use case and runnable anywhere, released under the Apache 2.0 license. The models support agentic tasks, including instruction following and tool use such as web search and Python code execution, within the chain-of-thought. Users can set reasoning effort to low, medium, or high and apply full-parameter fine-tuning, and the full chain-of-thought is accessible for debugging. The page also says safety testing is part of the release and that OpenAI is working with deployment and hardware partners, though it names none of them and gives no figures.

## Comments

**rvolz.eth**: A post about the "openness" of these models in comparison to the needs of the OSS/research community and competing models can be found here https://news.kiwistand.com/stories/gpt-oss:-OpenAI-validates-the-open-ecosystem-(finally)?index=0x689313a84dd3edccbec789345960a11d519c170e412efa9c65fda8f40bed71a1f017b294