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
Weights & Biases (CoreWeave Forge) records 315,624 monthly visits with -80.2% month-over-month growth and Freemium, Contact for Pricing, Free pricing. Width.ai records 27,714 monthly visits with -7.8% growth and Contact for Pricing pricing.

AI & machine learning consulting that ships production systems
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | wandb.ai | width.ai |
| Pricing Model | Freemium, Contact for Pricing, Free | Contact for Pricing |
| Monthly Visits | 315.62K (315,624) | 27.71K (27,714) |
| MoM Traffic Delta | -1.28M (-80.2%) | -2.33K (-7.8%) |
| Primary Market & Share | 🇺🇸 United States (32.2%) | 🇺🇸 United States (32.8%) |
| Direct Visits / mo | 230.88K | 8.76K |
| User Rating | 4.7 | 4.2 |
| Supported Platforms | Website | Website |

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.

AI & machine learning consulting that ships production systems
Design and build of production generative AI features — summarization, topic extraction, extraction and classification — on top of modern large language models.
Image recognition, object detection and document parsing pipelines that convert unstructured files and visual data into structured, usable records.
Conversational assistants wired into a company's own tools and data so they answer with business context instead of generic model output.
Backend automations and agentic systems that remove repetitive manual work for service companies and plug into existing software stacks.
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.

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.

Applied AI engineering and consulting for enterprise deployments

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.

SpecialistEnterprise platform for building, evaluating and shipping AI agents
AI-powered engineering partner for custom software and data platforms
AI-powered engineering partner for custom software and data platforms

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.

Custom software, mobile apps and AI systems built for business growth
Custom software, mobile apps and AI systems built for business growth