Comet
Experiment tracking evaluation and AI observability for ML teams, available as free cloud or self hosted OSS with enterprise options for secure collaboration.
Pricing Free / Contact sales
Category data
Difficulty Beginner
Type Web App
Status Active
D
Diffbot
Structured web data platform that crawls the public web and exposes automatic extraction, knowledge graph, and search via API with free and paid plans.
Pricing Free / $299 per month
Category data
Difficulty Beginner
Type Web App
Status Active
Feature Tags Comparison
Only in Comet
mlopsexperiment-trackingevaluationobservabilitygovernance
Shared
None
Only in Diffbot
extractionknowledge-graphapicrawlsearch
Key Features
Comet
- • One line logging: Add a few lines to notebooks or jobs to record metrics params and artifacts for side by side comparisons and reproducibility
- • Evals for LLM apps: Define datasets prompts and rubrics to score quality with human in the loop review and golden sets for regression checks
- • Observability after deploy: Track live metrics drift and failures then alert owners and roll back or retrain with evidence captured for audits
- • Governance and privacy: Use roles projects and private networking to meet policy while enabling collaboration across research and product
- • Open and flexible: Choose free cloud or self hosted OSS with APIs and SDKs that plug into common stacks without heavy migration
- • Dashboards for stakeholders: Build views that explain model choices risks and tradeoffs so leadership can approve promotions confidently
Diffbot
- • Automatic article and product extraction without custom rules
- • Bulk extract and crawl capabilities for large scale coverage
- • Global Knowledge Graph search and enrich endpoints
- • Entity resolution and deduplication across sources
- • REST APIs with SDKs and usage dashboards
- • Flexible credits model that scales with volume
Use Cases
Comet
- → Hyperparameter sweeps: Compare runs and pick winners with clear charts and artifact diffs for reproducible results
- → Prompt and RAG evaluation: Score generations against references and human rubrics to improve assistant quality across releases
- → Model registry workflows: Track versions lineage and approvals so shipping teams know what passed checks and why
- → Drift detection: Monitor production data and performance so owners catch shifts and trigger retraining before user impact
- → Collaborative research: Share projects and notes so scientists and engineers align on goals and evidence during sprints
- → Compliance support: Maintain histories and approvals to satisfy audits and customer reviews with minimal manual work
Diffbot
- → Enrich company and contact records for sales intelligence
- → Track competitor product pages for price and spec changes
- → Build vertical search on top of structured entities
- → Assemble market maps by querying the Knowledge Graph
- → Monitor news and blogs for emerging topics at scale
- → Power research portals with fact level search
Perfect For
Comet
ml engineers data scientists platform and research teams who want reproducible tracking evals and monitoring with free options and enterprise governance when needed
Diffbot
growth teams researchers data engineers SaaS builders and marketplaces that need structured web data without maintaining crawlers
Capabilities
Comet
Experiments and Artifacts Professional
Prompts and Rubrics Professional
Production Drift Professional
Roles and Private Networking Enterprise
Diffbot
Auto parsers Professional
Entity search Professional
Crawl and Bulk Enterprise
Credits and SDKs Intermediate
You Might Also Compare
Need more details? Visit the full tool pages: