Product newsletter: Updates and new features for August 2025

Run LLM evaluations right in the W&B Weave UI

Debug RL fine-tuning runs with W&B Weave Traces

Tracking and optimizing agentic workflows using W&B Weave and NVIDIA NeMo Agent Toolkit

Types of reinforcement learning algorithms

Product newsletter: Updates and new features for June 2025

Bring your own bucket with CoreWeave AI Object Storage

Weights & Biases is recognized as an Emerging Leader for Generative AI Engineering category

Reinforcement learning for reasoning: Enhancing AI capabilities

Introducing W&B Inference powered by CoreWeave

From Online Evaluations to Inference, here's what we announced at Fully Connected 2025

Ship AI with confidence: Introducing W&B Weave Online Evaluations

New: Deep observability for AI training and fine-tuning on CoreWeave

RAG vs. prompt stuffing: Do we still need vector retrieval?

Testing Claude 4 vs. Codex vs. Gemini 2.5 Pro on CodeContests

W&B Weave EvaluationLogger: A more flexible approach to evaluating AI applications

Fine-tuning LLMs for function-calling

Announcing our newest GenAI course AI Engineering: Agents

How to integrate W&B Registry with Friendli Dedicated Endpoints

Product newsletter: Updates and new features for May 2025

Getting started with Claude Sonnet 4 and Claude Opus 4

Exploring multi-agent reinforcement learning (MARL)

Building and evaluating AI agents with Azure AI Foundry Agent Service and W&B Weave

Accelerating enterprise ROI from AI agents with the NVIDIA Enterprise AI Factory + Weights & Biases