Curated list of models provided by OpenCode.
OpenCode Zen | A curated set of reliable optimized models for coding agents
OpenCode - The open source coding agent.
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.
Magnitude
The best way to code with open models. Magnitude has 9 repositories available. Follow their code on GitHub.
OpenAI Model Spec
The Model Spec specifies desired behavior for the models underlying OpenAI's products (including our APIs).
Zed now predicts your next edit with Zeta, our new open model
From the Zed Blog: A tool that predicts your next move. Powered by Zeta, our new open-source, open-data language model.
Open models by OpenAI
Advanced open-weight reasoning models to customize for any use case and run anywhere.
OpenAI on Twitter / X
Our open models are here.Both of them.https://t.co/9tFxefOXcg— OpenAI (@OpenAI) August 5, 2025
Olmo 3: Charting a path through the model flow to lead open-source AI | Ai2
Our new flagship Olmo 3 model family empowers the open source community with not only state-of-the-art open models, but the entire model flow and full traceability back to training data.
openbench: Provider-agnostic, open-source evaluation infrastructure for language models
Provider-agnostic, open-source evaluation infrastructure for language models
Unsloth - Train and Run Models Locally
Unsloth is an open-source, no-code web UI for training, running and exporting open models in one unified local interface.
Codex | AI Coding Partner from OpenAI
The best way to build with agents. Codex accelerates real engineering work, from planning and building features to refactors, reviews, and releases—working seamlessly across your tools.
Ollama
Ollama is the easiest way to automate your work using open models, while keeping your data safe.
Closing the Open-Source Gap
I scored 42 subcategories of the open-source AI stack. The models aren't the problem.
