Humanloop shuts down Sept 8, 2025. Discover Weights & Biases—the best Humanloop alternative for AI evaluation, monitoring, and observability.

Get started with GPT OSS models on our free tier.

From new powerful models in W&B Inference to usability improvements on the Weave and Models side, here's what we've been up in July

Get started with the latest Qwen3 models on our free tier.

We've made it easier to understand key relationships among configuration parameters and metrics in your model runs. Here's what you need to know.

Get started with Kimi K2 Instruct on our free tier

We launched a few brand new features at our Fully Connected conference last month, plus some frequently requested platform improvements. Here's what you need to know:

We’re introducing a new integration between CoreWeave AI Object Storage and Weights & Biases. Here's what you need to know

This month, we're highlighting video support and saved views in W&B Weave alongside new workplace templates and better color controls in W&B Models. And more. Read on to learn what we've been working on.

Weights & Biases is proud to be in the 2025 Gartner® Innovation Guide for Generative AI Technologies. Here's what you need to know.

Find the right open-source model for your unique use case inside Weights & Biases

We're bringing CoreWeave's deep infrastructure observability into Weights & Biases

We released some major improvements at our annual Fully Connected conference on June 18th. Here’s what you need to know.

Real‑time LLM scoring on live incoming traces for production monitoring of AI agents and applications

How to measure your AI and agentic applications the precise way you want to

Discover how to fine-tune OpenAI models using Azure OpenAI and Weights & Biases for enterprise-grade AI performance in healthcare, legal, finance, and more.

This month, we're highlighting video support and saved views in W&B Weave alongside new workplace templates and better color controls in W&B Models. And more. Read on to learn what we've been working on.

Our annual conference is fast approaching. Here's the agenda for our first edition in San Francisco

Here's what we've been building this April at Weights & Biases

Weights & Biases is thrilled to be in the 2025 Gartner® Innovation Guide for Generative AI Technologies. Here's what you need to know.

Build AI applications and agents faster with saved views in W&B Weave

We've been hard at work improving the performance of our Models product and we're excited to share how things stand today

The EU AI Act demands that you can track and understand the behavior of your AI applications. Here's how Weave can help.

A primer on why evaluations are vital, which evaluations matter, and how W&B Weave can help you build better AI apps, faster

What you need to know about our newest partnership with Google Cloud

With a little help from W&B Weave—and a lot of iteration

We're making it easier to keep track of your model metrics as you train. Here's what you need to know

Highlights from February include Weave Guardrails. more integrations, and big updates to Workspaces and Registry

Learn more about the Weights & Biases MCP server, new Weave features and integrations, and two great updates to visualizing outputs and diagnostics in W&B Models.

Learn more about Weights & Biases in the 2025 Gartner Innovation Guide for Generative AI Technologies

Digging into what data to use when evaluating your AI applications—and showing how W&B Weave can help

How Weights & Biases CTO Shawn Lewis used iteration to push AI agents forward

Learn how W&B Weave can help you gather user and expert annotations to improve your AI apps

Safeguard your AI applications with pre-built safety and quality scorers

Our January newsletter covers recent product updates, including enhancements to Weave, new dataset tools, and UI improvements for a smoother experience.

Recapping our newest features and lifting the hood on what's ahead for W&B Weave in the coming months

We made a lot of improvements to Weave in the last month. Here's what you need to know

Our partnership with AWS is growing, with a focus on helping enterprises use Generative AI in production. Here's what you need to know.

A primer on how to track and organize models, code, datasets, and artifacts in Weights & Biases

Here's a quick rundown of what we've been working on in September

We're always improving W&B Weave. This week, we're pleased to announce audio file support as well as a host of hands-on events and tutorials

We're constantly improving W&B Weave. Here's what we've been up to lately.

Here's a quick rundown of what we've been working on in September

What you need to know about our latest integration with Cohere

Learn how to integrate W&B with Okta and OIDC in this step-by-step tutorial

This edition of the W&B Weave newsletter comes complete with our latest features, our latest course, and our first ever hackathon

Learn how to integrate W&B with AzureAD and OIDC in this step-by-step tutorial

We've made wandb-core much more performant. Learn what's new and how you can take advantage of our latest improvements.

A tutorial on eval charts, using Weave to make a Weave ad, and new integrations

From our REST API to an exciting new LLM judgement day event, here's what's going on with Weave over the past two weeks

All the recent Weave activity, wrapped up in one place

Here's what we've been building in August

We're constantly improving W&B Weave. Here's what we've been up to lately

We've improved how you can access our software developer kit and command line interface. Here's what you need to know.

Here's a quick rundown of what we've been working on in July

Here's a quick rundown of what we've been working on in June

We’ve made some big improvements to our Registry feature. Here’s what you need to know.

Our newest Weave feature lets you interactively compare LLM evaluations at both an overall and granular level. Here's how it works.

The new W&B Workspace API offers ML practitioners using Weights & Biases a way to programmatically create and customize saved workspace views

We're excited to share a host of new integration and features for W&B Weave. Come see what we've been working on.

We're making it easier to track the important ingredients of model building and fine-tuning in Weights & Biases

Learn more about our newest governance and access management feature, Restricted Projects

We're thrilled to announce the W&B SCIM API. Here's what you need to know

We just made a change to W&B Artifacts. Here's what you need to know

Check out our new improved Workspace features to help foster even more seamless collaboration among your ML team.