CometThe Fastest Path to Agents That Work
vs
FeastThe Open Source Feature Store for Machine Learning
Comparison · MLOps Platforms · weekly run Nov 2
Comet vs Feast
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Comet is the stronger AI pick in MLOps Platforms: it has a visibility score of 13.6 versus 2 for Feast.
Choose Comet if…
- You want the brand AI engines rank higher (13.6 vs 2)
- AI answers describe it more positively (53% vs 50% positive)
- You need a self-hosted or on-premises option
- You need SOC 2 or ISO 27001 or ISO 9001 or HIPAA or GDPR coverage
Choose Feast if…
- Connects with data lakes and warehouses for consistent data retrieval
- Open-source, portable foundation option
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Comet | Feast |
|---|---|---|
| Visibility score | 13.6% | 2% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #10 | #29 |
| Share of voice | 2.7% | 0.6% |
| Mentions this run | 19 | 4 |
| Positive in AI answers | 53% | 50% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Comet 0pp · Feast 0pp over 0 weekly runs.
Engine by engine
Comet leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
CometFeast
Head to head in AI answers
0 engine answers name both brands
0Comet ranked higher
0Feast ranked higher
Features, pricing & fit
| Dimension | Comet | Feast |
|---|---|---|
| Pricing model | Usage-based | — |
| Entry price | Free; paid from $19 / mo | — |
| Free plan | Yes | — |
| Deployment | Cloud, virtual private cloud, on-premises, or self-hosted open source | Self-hosted; Kubernetes, and AWS Lambda (alpha) |
| Integrations | 60+ | — |
| Compliance | SOC 2, ISO 27001, ISO 9001, HIPAA, GDPR | — |
| Support | Community (Slack and GitHub), Self-service (Ask AI and Opik MCP Server), Email support, Dedicated support team and SLAs | Community Slack, Documentation |
| Founded | 2017 | 2018 |
| Headquarters | New York, NY, United States | — |
| Employees | 51–200 | — |
| Funding | Series B · $70M raised | — |
| Best for | Developers and teams building LLM applications and AI agents who need tracing, testing and evaluation. | Machine learning and AI teams that need the same feature definitions for training and inference. |
Plans side by side
Comet
Opik Open Source$0free
Opik Free Cloud$0free plan
Opik Pro Cloud$19month
Opik EnterpriseCustomcustom
MLOps Free$0free plan
MLOps Pro$19user/month
MLOps EnterpriseCustomcustom
Feast
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Comet
- Free tier for individuals and small projects
- Robust experiment tracking
- Great visualization tools
- Clear, publicly listed pricing
Feast
- Connects with data lakes and warehouses for consistent data retrieval
- Open-source, portable foundation option
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Comet vs Feast”, https://slateindex.ai/compare/comet-vs-feast, data of Nov 2, 2026. Licence: CC BY 4.0.