Introducing the Model Spec

Sharing the latest Model Spec

How a Frontier Model Gets Built, Read from the Kimi K3 Report

An open, 2. 8-trillion-parameter model shipped with 47 pages of its own recipe.

Model Cards

State of Open Models: Summer 2026 Observations

New in llama.cpp: Model Management

Inside our approach to the Model Spec

Learn how OpenAI’s Model Spec serves as a public framework for model behavior, balancing safety, user freedom, and accountability as AI systems advance.

GaLore: Advancing Large Model Training on Consumer-grade Hardware

Introducing improvements to the fine-tuning API and expanding our custom models program

We’re adding new features to help developers have more control over fine-tuning and announcing new ways to build custom models with OpenAI.

The Model Validation Playbook for GenAI: Lessons from Banking

The article discusses how model validation standards are evolving for large language model (LLM) based systems, particularly in the banking sector. It examines what aspects of traditional validation break down, what elements remain applicable, and how to effectively test the quality of LLM outputs. The piece offers practical insights into adapting validation playbooks for generative AI applications.

Investing in Performance: Fine-tune small models with LLM insights - a CFM case study

My Workflow for Understanding LLM Architectures

A learning-oriented workflow for understanding new open-weight model releases

Welcome to the Falcon 3 Family of Open Models!