Product newsletter: Updates and new features for September 2025

Introducing Serverless RL

The Microsoft Agent Framework: Observability

Tutorial: Run inference with Qwen3 235B A22B-2507 Instruct using W&B Inference

Tutorial: Running inference with OpenAI's GPT OSS 20B using W&B Inference

Tutorial: Running inference with Llama 3.1 8B using W&B Inference

Tutorial: Running inference with Qwen3 235B A22B Thinking-2507 using W&B Inference

Tutorial: Running inference with Zhipu AI's GLM-4.5 using W&B Inference

Tutorial: Running inference with Llama 3.3 70B using W&B Inference

How to evaluate the "true" context length of your LLM using RULER

Master sentiment analysis in Python

Tutorial: Running inference with Llama 4 Scout using W&B Inference

Weights & Biases supports BT Group with safe and effective AI deployment

How to build research agents with W&B Weave and Tavily

Tutorials: GPT-5 evaluation across multiple tasks

Tutorial: Running inference with Kimi K2 using W&B Inference

OpenAI GPT OSS models on W&B Inference

Amazon Bedrock AgentCore observability guide

What is RLHF? Reinforcement learning from human feedback for AI alignment

Getting started with the Agent Reinforcement Trainer (ART)