LangSmith
Best overallChecked 4h agoLink OKFree plan available
Why it wins
Traces, evaluates, and debugs LLM chains and agents with full experiment history.
When not to use
LangChain-focused. some features limited for non-LangChain stacks.
Free AI tools for Run ML experiments and track models
Every tool listed here offers a free tier or freemium plan. No credit card required. · 377 reads
Free options
Helicone
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Logs every LLM call with latency, cost, and prompt analytics. free tier is generous.
When not to use
Observability only. no experiment comparison or run management.
Weights and Biases Experiment Platform
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
ClearML Model Tracking Platform
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Hugging Face Hub Model Registry
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Databricks MLflow Model Registry
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Evidently Data Drift Monitoring
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Feast Feature Store
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Ray Tune Hyperparameter
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Hyperopt Bayesian Optimization
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Optuna Hyperparameter Framework
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Sentry Error Monitoring
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Wandb Reports Documentation
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Tracks metrics and experiments for reproducible machine learning workflows.
When not to use
When you need GPU-accelerated distributed training.
Streamlit ML App Builder
Best freeChecked 4h agoLink OKFree plan available
Why it wins
Provides integrated functionality within the platform ecosystem.
When not to use
When you need specialized tooling outside scope.
DesignRuleChecker
Best overallChecked 4h agoDead linkFree plan available
Why it wins
DesignRuleChecker enables AI model monitoring and optimization.
When not to use
When models are set-and-forget.
LibraryManager
Best overallChecked 4h agoDead linkFree plan available
Why it wins
LibraryManager enables AI model monitoring and optimization.
When not to use
When models are set-and-forget.
GerberViewer
Best overallChecked 4h agoDead linkFree plan available
Why it wins
GerberViewer enables AI model monitoring and optimization.
When not to use
When models are set-and-forget.
TestPointPlanner
Best overallChecked 4h agoDead linkFree plan available
Why it wins
TestPointPlanner enables AI model monitoring and optimization.
When not to use
When models are set-and-forget.
ProjectArchive
Best overallChecked 4h agoDead linkFree plan available
Why it wins
ProjectArchive enables AI model monitoring and optimization.
When not to use
When models are set-and-forget.
GraphQL Ecosystem Tools
best for specialized workflowsChecked 4h agoLink OKFree plan available
Why it wins
Apollo Client, Relay, and Hasura provide GraphQL tooling. Schema stitching and federation.
When not to use
Skip if the workflow above is not a close match. compare the rest of this list first.
Comparison
| Tool | Pricing | Verified | Link |
|---|---|---|---|
| LangSmith | Free plan available | Checked 4h ago | Try → |
| Helicone | Free plan available | Checked 4h ago | Try → |
| Weights and Biases Experiment Platform | Free plan available | Checked 4h ago | Try → |
| ClearML Model Tracking Platform | Free plan available | Checked 4h ago | Try → |
| Hugging Face Hub Model Registry | Free plan available | Checked 4h ago | Try → |
| Databricks MLflow Model Registry | Free plan available | Checked 4h ago | Try → |
| Evidently Data Drift Monitoring | Free plan available | Checked 4h ago | Try → |
| Feast Feature Store | Free plan available | Checked 4h ago | Try → |
| Ray Tune Hyperparameter | Free plan available | Checked 4h ago | Try → |
| Hyperopt Bayesian Optimization | Free plan available | Checked 4h ago | Try → |
| Optuna Hyperparameter Framework | Free plan available | Checked 4h ago | Try → |
| Sentry Error Monitoring | Free plan available | Checked 4h ago | Try → |
| Wandb Reports Documentation | Free plan available | Checked 4h ago | Try → |
| Streamlit ML App Builder | Free plan available | Checked 4h ago | Try → |
| DesignRuleChecker | Free plan available | Checked 4h ago | Try → |
| LibraryManager | Free plan available | Checked 4h ago | Try → |
| GerberViewer | Free plan available | Checked 4h ago | Try → |
| TestPointPlanner | Free plan available | Checked 4h ago | Try → |
| ProjectArchive | Free plan available | Checked 4h ago | Try → |
| GraphQL Ecosystem Tools | Free plan available | Checked 4h ago | Try → |
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