Free / Open-sourceRun and build with open AI models locally or in the cloud
#1Weights & Biases (CoreWeave Forge) records 315,624 monthly visits with -80.2% month-over-month growth and Freemium, Contact for Pricing, Free pricing. Weave (WorkWeave) records 13,482 monthly visits with -36.8% growth and Flexible pricing.
| Dimension / Metric | ![]() | |
|---|---|---|
| Official Domain | wandb.ai | weaveos.com |
| Pricing Model | Freemium, Contact for Pricing, Free | Flexible |
| Monthly Visits | 315.62K (315,624) | 13.48K (13,482) |
| MoM Traffic Delta |
| -1.28M (-80.2%) |
| -7.85K (-36.8%) |
| Primary Market & Share | 🇺🇸 United States (32.2%) | 🇺🇸 United States (63.5%) |
|---|
| Direct Visits / mo | 230.88K | 11.25K |
|---|
| User Rating | 4.7 | 4.3 |
|---|
| 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.
Measure engineering work and AI's real contribution to it.
Brings AI metrics, DORA and SPACE-based benchmarks and developer feedback into one view so you can see where work stalls from prompt to production.
Relates AI-assisted usage to merges, quality and cost, with per-engineer AI usage and AI score reporting plus benchmarks against 1,000+ organisations.
Connects token and prompt spend to engineering output so you can see what you are getting for every AI dollar spent.
Weave Router classifies each prompt and routes it to the model with the best quality-per-token, learning from team feedback over time.
Free / Open-sourceRun and build with open AI models locally or in the cloud
#1
Free / Open-sourceAI-powered terminal and agentic software factory for development teams


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.

Free / Open-sourceOffers robust LLM evaluation and testing suites with integrated enterprise gateways, prioritizing prompt benchmarking.

Free / Open-sourceAI-native data orchestration for trustworthy pipelines

Free / Open-sourceFree real-time analytics for open source projects on GitHub

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.

Free / Open-sourceAI workforce analytics that turn monitoring data into productivity and cost decisions.

AI value measurement platform connecting AI spend to real business outcomes

Free / Open-sourceGitHub-native analytics for developer experience and team performance
Free / Open-sourceRun and build with open AI models locally or in the cloud
Free / Open-sourceAI-powered terminal and agentic software factory for development teams
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.
Free / Open-sourceOffers robust LLM evaluation and testing suites with integrated enterprise gateways, prioritizing prompt benchmarking.
Free / Open-sourceFree real-time analytics for open source projects on GitHub
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.
Free / Open-sourceAI workforce analytics that turn monitoring data into productivity and cost decisions.
AI value measurement platform connecting AI spend to real business outcomes
Free / Open-sourceGitHub-native analytics for developer experience and team performance