Models.dev records 200,451 monthly visits with -3.9% month-over-month growth and Free pricing. Weights & Biases (CoreWeave Forge) records 315,624 monthly visits with -80.2% growth and Freemium, Contact for Pricing, Free pricing.
Open-source database of AI models, prices and capabilities
Track, evaluate, and ship AI models and agents in one connected environment.
| Dimension / Metric | | |
|---|---|---|
| Official Domain | models.dev | wandb.ai |
| Pricing Model | Free | Freemium, Contact for Pricing, Free |
| Monthly Visits | 200.45K (200,451) | 315.62K (315,624) |
| MoM Traffic Delta | -8.17K (-3.9%) | -1.28M (-80.2%) |
| Primary Market & Share | 🇨🇳 China (23%) | 🇺🇸 United States (32.2%) |
| Direct Visits / mo | 136.32K | 230.88K |
| User Rating | 4.4 | 4.7 |
| Supported Platforms | Website | Website |
Open-source database of AI models, prices and capabilities
Every model uses a consistent provider/model format so the same model across providers can be compared directly.
Side-by-side context window, output limit, reasoning, tool calling, structured output, and temperature support.
Input and output prices per million tokens listed alongside release and update dates.
Covers closed flagship APIs and open-weight models from many labs in one sortable catalogue.
Track, evaluate, and ship AI models and agents in one connected environment.
Log metrics, losses, and media from training runs and compare them side by side in interactive charts to spot what actually improves your model.
Run automated hyperparameter sweeps and visualize parameter importance so you can converge on better configurations faster.
Version datasets and model artifacts, track lineage, and promote models through a registry from training to production.
Build, log, and evaluate LLM prompts and applications, with tracing and evaluation tools grouped under an LLMOps workflow.
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceProvides deep production LLM observability and tracing, focusing heavily on debugging production failures and drift.
Free / Open-sourceProvides deep production LLM observability and tracing, focusing heavily on debugging production failures and drift.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistIncludes model pricing trackers and developer news alongside tools directories, but less focused on raw API specs.
SpecialistFeatures simulation and guardrail tools for testing LLM safety and robustness before production deployment.
SpecialistFeatures simulation and guardrail tools for testing LLM safety and robustness before production deployment.
Free / Open-sourceOffers robust LLM evaluation and testing suites with integrated enterprise gateways, prioritizing prompt benchmarking.
Free / Open-sourceOffers robust LLM evaluation and testing suites with integrated enterprise gateways, prioritizing prompt benchmarking.
Focuses specifically on prompt versioning, collaborative CMS management, and agent tracing rather than general MLOps.
Focuses specifically on prompt versioning, collaborative CMS management, and agent tracing rather than general MLOps.
Specializes in automated LLM unit testing and security red-teaming, though less focused on traditional MLOps experiment tracking.
Specializes in automated LLM unit testing and security red-teaming, though less focused on traditional MLOps experiment tracking.
Free / Open-sourceProvides an open-source workspace specifically for prompt experimentation, LLM evaluation, and agent deployment pipelines.
Free / Open-sourceProvides an open-source workspace specifically for prompt experimentation, LLM evaluation, and agent deployment pipelines.
SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.
SpecialistCatalogues and compares AI infrastructure tools and services across categories, but lacks deep per-token pricing tables.
SpecialistEnterprise platform for building, evaluating and shipping AI agents
Free / Open-sourceDelivers an open-source end-to-end MLOps suite for GPU infrastructure and experiment tracking, with broader infrastructure control.
Free / Open-sourceDelivers an open-source end-to-end MLOps suite for GPU infrastructure and experiment tracking, with broader infrastructure control.
SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.
SpecialistArchives how various AI models answer identical prompts over time, offering qualitative comparison rather than pricing.
