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Platform
Models >
Experiments
Track and visualize your ML experiments
Sweeps
Optimize your hyperparameters
Tables
Visualize and explore your ML data
Reports
Visualize and explore your ML data
Training >
Serverless RL
Fine-tune LLMs without managing GPUs
ART
Open-source RL framework
Ruler
Automated reward function for RL
Inference >
OpenAI OSS
GPT OSS 20B, GPT OSS 120B
Alibaba Qwen3
23B A22B, 23B5B Thinking, Coder 480B
Meta Llama
Llama 4 Scout, 3.3 70B, 3.1 8B
MoonshotAI Kimi
Kimi K2
Microsoft Phi
Phi 4 Mini 3.8B
Hangzhou DeepSeek
DeepSeek V3.1, V3-0324, R1-0528
Z.ai
Z.AI GLM 4.5
Weave >
Traces
Explore and debug AI applications
Evaluations
Rigorous evaluations of AI applications
Playground
Explore prompts and models
Agents
Observability tools for agentic systems
Guardrails
Block prompt attacks and harmful outputs
Monitors
Continuously improve in production
Core
Registry
Publish and share your ML models and datasets
Artifacts
Version and manage your ML pipelines
SDK
Log ML experiments and artifacts at scale
Automations
Trigger workflows automatically
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Train LLMs
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Computer Vision
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Autonomous Vehicles
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Scientific Research
Case Studies >
Canva
Learn how Canva leverages W&B to deploy models
Microsoft
Learn how Microsoft uses W&B for their ML projects
Toyota
Learn how Toyota uses W&B for autonomous driving
OpenAI
Learn how OpenAI Robotics uses W&B for large scale ML
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Announcing Serverless RL: Train agents without worrying about infra or GPUs
Clear Search
English
OpenAI rumored to Launch First AI Chip in 2026 with Broadcom
Brett Young
Sep 05
ML News
OpenAI acquires Statsig and Anthropic secures $13B funding at $183B valuation
Brett Young
Sep 02
ML News
xAI unveils grok-code-fast-1
Brett Young
Aug 28
ML News
X and xAI Sue Apple and OpenAI Over Alleged AI Monopoly
Brett Young
Aug 26
ML News
Hugging Face Introduces AI Sheets, a No-Code Tool for Dataset Creation and Transformation
Brett Young
Aug 21
ML News
DeepSeek-V3.1 Benchmark Scores
Brett Young
Aug 21
ML News
Mark Zuckerberg Reshapes Meta’s AI Division
Brett Young
Aug 19
ML News
Google Rolls Out Imagen 4 in Gemini API and Introduces Gemma 3 270M
Brett Young
Aug 15
ML News
Anthropic acquires Humanloop. Your alternative is Weights & Biases.
Dave Davies
Aug 14
ML News
,
Community Posts
,
Articles
,
Weave
,
W&B Meta
NSF and NVIDIA Award Ai2 $152 Million for Fully Open National AI Ecosystem
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Aug 14
ML News
Claude Sonnet 4 Expands to 1 Million Token Context
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Aug 12
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Cursor unveils Cursor CLI
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Aug 08
ML News
GPT-5 Benchmark Scores
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Aug 07
ML News
Cerebras launches Cerebras Code with Qwen3-Coder
Brett Young
Aug 04
ML News
OpenAI Brings Stargate to Norway
Brett Young
Jul 31
ML News
Cats confuse reasoning LLM's?
Brett Young
Jul 29
ML News
Chroma Research Warns of ‘Context Rot’ as LLMs Falter with Long Inputs
Brett Young
Jul 25
ML News
White House Unveils America’s AI Action Plan
Brett Young
Jul 24
ML News
Qwen unviels a 480B parameter coding model
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Jul 23
ML News
OpenAI unveils "ChatGPT Agent"
Brett Young
Jul 18
ML News
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