Our fully open language model and complete model flow.
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.
Going beyond open data – increasing transparency and trust in language models with OLMoTrace | Ai2
Ai2, a non-profit research institute founded by Paul Allen, is committed to breakthrough AI to solve the world’s biggest problems.
Open Models Inference for Coding · Umans AI
Hosted Kimi K3, GLM 5.2, and DeepSeek V4 Flash. Pay per token, on infrastructure we own.
Function calling | OpenAI API
Learn how function calling enables large language models to connect to external data and systems.
Closing the Open-Source Gap
I scored 42 subcategories of the open-source AI stack. The models aren't the problem.
openbench: Provider-agnostic, open-source evaluation infrastructure for language models
Provider-agnostic, open-source evaluation infrastructure for language models
Introducing LM Studio Bionic: the AI agent for open models
The AI agent made for open models, built to get things done.
TranslateGemma: A new suite of open translation models
TranslateGemma is a new family of open translation models built on Gemma 3.
gpt-oss:120b
OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases.
gpt-oss:20b
OpenAI’s open-weight models designed for powerful reasoning, agentic tasks, and versatile developer use cases.
Open models by OpenAI
Advanced open-weight reasoning models to customize for any use case and run anywhere.
OpenAI to release open-source model as AI economics force strategic shift
OpenAI plans to release its first open-weight AI model since 2019 as economic pressures mount from competitors like DeepSeek and Meta, marking a significant strategic reversal for the company behind ChatGPT.
Introducing FlexOlmo: a new paradigm for language model training and data collaboration | Ai2
Explore how FlexOlmo enables collaborative language model training without sacrificing data privacy or control, introducing a new, flexible approach to building shared AI models.
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.
