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

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

Product newsletter: Updates and new features for May 2025

Exploring multi-agent reinforcement learning (MARL)

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

Evaluating your MCP and A2A agents with W&B Weave

Building a Github repo summarizer with CrewAI

Announcing: Saved views in W&B Weave

Evaluating o4-mini vs. Claude 3.7 vs. Gemini 2.5 Pro on code generation

How to fine-tune and evaluate Qwen3 with Unsloth

Sentiment classification with the Reddit Praw API and GPT-4o-mini

Using Google's Agent Development Kit and Agent2Agent

Running inference and evaluating Llama 4 in Python

Evaluating the new Gemini 2.5 Pro Experimental model

Going from demo to production with Google Cloud's Vertex AI Agent Builder

Evaluating Claude 3.7 Sonnet: Performance, reasoning, and cost optimization

Building better evaluations with high-quality data

Iterating with W&B Weave to build the world’s best AI programming agent

Building better AI applications: Why evaluations matter

AI Guardrails: Coherence scorers