W&B Serverless RL
Managed reinforcement-learning fine-tuning service for LLMs on CoreWeave's managed GPU cluster, billed per-token for rollouts with automatic scale-to-zero.
Find alternatives to W&B Serverless RL
Per-token billing for rollouts (own page); Recurring free access is not stated either way.
What it does
- Model training
- GPU cloud
Sources
- Pricing
- Description
- What it does
- Sold within
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Requires a W&B account and API key; per-token billing for rollouts referenced on /site/pricing, but the page states no fixed included/add-on entitlement route.
- Name
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W&B Registry Platform
Curated central repository providing versioning, aliases, lineage tracking and governance for models and datasets across the ML lifecycle.
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W&B Serverless Inference API service
Hosted inference service for open-source and commercial LLMs (OpenAI, Qwen, Llama, Kimi, Phi, DeepSeek, Z.AI) without managing infrastructure.
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W&B Serverless SFT Platform
Serverless supervised fine-tuning for LLMs on CoreWeave's managed GPU cluster, run alongside Serverless RL in a unified workflow via the Agent Reinforcement Trainer (ART) API.
Open Weights & Biases in the directory
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