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3 tools
Weights & Biases
PickData Analytics & Predictive Modeling · API
Machine learning platform for experiment tracking, model evaluation, and LLMOps
Free tierAPI availableCloud hosted
Pricing: Generous free tier for academic and individual research; Team and Enterprise subscriptions for shared workspaces.
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DeepSeek Harness
PickDeveloper Frameworks & Infrastructure · API
Enterprise model evaluation and benchmarking harness for DeepSeek models
Open sourceAPI availableSelf-hostable
Pricing: Open source framework under MIT license
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LangSmith
VerifiedAutomation & Workflow Orchestration · API
Production observability, tracing, and evaluation suite for LLM agent workflows
Free tierAPI availableCloud hosted
Pricing: Free Developer tier includes up to 5,000 trace steps per month; Plus and Enterprise plans for production scale.
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