Renderer for the harmony response format to be used with gpt-oss
OpenAI Harmony Response Format
The gpt-oss models were trained on the harmony response format for defining conversation structures, generating reasoning output and structu
OpenAI gpt-oss· Ollama Blog
Ollama partners with OpenAI to bring gpt-oss to Ollama and its community.
LM Studio on Twitter / X
MXFP4 support for openai/gpt-oss landed in MLX!⌘ + Shift + R to update your runtime.🚀 https://t.co/hnM3e0L2qw pic.twitter.com/JfGgD57duJ— LM Studio (@lmstudio) August 29, 2025
OpenAI Codex with Ollama· Ollama Blog
Open models can be used with OpenAI's Codex CLI through Ollama. Codex can read, modify, and execute code in your working directory using models such as gpt-oss:20b, gpt-oss:120b, or other open-weight alternatives.
Verifying gpt-oss implementations
The OpenAI gpt-oss models are introducing a lot of new concepts to the open-model ecosystem and getting them to perform as expected might ta
Release v0.11.0 · ollama/ollama
Welcome OpenAI's gpt-oss models Ollama partners with OpenAI to bring its latest state-of-the-art open weight models to Ollama. The two models, 20B and 120B, bring a whole new local chat experie...
Previewing GPT-5.6 Sol: a next-generation model
OpenAI previews GPT-5.6 Sol, a next-generation model with stronger capabilities in coding, science, and cybersecurity, paired with its most advanced safety stack.
Fix tokenization of <|constrain|> content type in rendering by dzhulgakov · Pull Request #47 · openai/harmony
The recommended way to render a constrained JSON clause in Harmony is .with_content_type(&quot;&lt;|constrain|&gt;json&quot;). Unfortunately, the current code treats it as user inpu...
OpenAI Developers on Twitter / X
We’re releasing new Codex features to make it a more effective coding collaborator:- A new IDE extension- Easily move tasks between the cloud and your local environment- Code reviews in GitHub- Revamped Codex CLIPowered by GPT-5 and available through your ChatGPT plan.— OpenAI Developers (@OpenAIDevs) August 27, 2025
OpenAI on Twitter / X
GPT-5 is here.Rolling out to everyone starting today.https://t.co/rOcZ8J2btI pic.twitter.com/dk6zLTe04s— OpenAI (@OpenAI) August 7, 2025
OpenAI introduces 'Ultrafast,' a new mode that makes GPT-5.6 Sol work at 14x the speed | TechCrunch
OpenAI is launching a preview of a sped up version of its latest, most powerful model, in an effort to court enterprise users.
GPT 5.5: The System Card
Last week, OpenAI announced GPT-5.5, including GPT-5.5-Pro.
Use OpenAI's Responses API with local models
OpenAI-compatible `/v1/responses` endpoint (stateful chats, remote mcp, custom tools)
