LangfuseOpen Source Agent Evals & Observability
vs
Prometheus GroupSoftware built for asset-intensive industries and trusted for 25+ years.
Comparison · MLOps Platforms · weekly run Nov 2
Langfuse vs Prometheus Group
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Prometheus Group is the stronger AI pick in MLOps Platforms: it has a visibility score of 3.7 versus 0.3 for Langfuse.
Choose Langfuse if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or ISO 27001 or HIPAA-ready region or GDPR coverage
- Usage-based pricing suits your budget better than per seat
Choose Prometheus Group if…
- You want the brand AI engines rank higher (3.7 vs 0.3)
- You need SOC 2 Type 2 coverage
- Per seat pricing suits your budget better than usage-based
- Collects metrics and works with Grafana for dashboards and alerts
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Langfuse | Prometheus Group |
|---|---|---|
| Visibility score | 0.3% | 3.7% |
| Change vs last week | New | New |
| Rank in MLOps Platforms | #51 | #22 |
| Share of voice | 0.2% | 1.1% |
| Mentions this run | 1 | 8 |
| Positive in AI answers | 50% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Langfuse 0pp · Prometheus Group 0pp over 0 weekly runs.
Engine by engine
Prometheus Group leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
LangfusePrometheus Group
Head to head in AI answers
0 engine answers name both brands
0Langfuse ranked higher
0Prometheus Group ranked higher
Features, pricing & fit
| Dimension | Langfuse | Prometheus Group |
|---|---|---|
| Pricing model | Usage-based | Per seat |
| Entry price | Free; paid from $29 / mo | Contact sales |
| Free plan | Yes | No |
| Deployment | Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license | — |
| Integrations | 100+ | — |
| Compliance | SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR | SOC 2 Type 2 |
| Support | Community support via GitHub, In-app support, Private Slack or MS Teams channel on Pro and Enterprise plans, Named lead support engineer on Enterprise plans | Dedicated project manager and experienced services team through implementation, Consulting services and bundled training and support |
| Founded | — | 1998 |
| Headquarters | — | Raleigh, NC, United States |
| Employees | — | 1,001–5,000 |
| Funding | Seed · $4M raised | Private equity round · $10M raised |
| Best for | Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation | Plant and facility operators in asset-intensive industries that run SAP, Oracle or IBM Maximo and need maintenance, operations and reliability teams working together. |
Plans side by side
Prometheus Group
Full PlatformCustomannual subscription (contact sales)
Tailored SolutionsCustomannual subscription (contact sales)
Pros and cons
Themes from the AI answers that mention each brand
Langfuse
- Discounted cloud pricing for qualifying early-stage startups
- Well suited to evaluating and debugging LLM or agent behavior
Prometheus Group
- Collects metrics and works with Grafana for dashboards and alerts
- Common, widely used option for monitoring
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Langfuse vs Prometheus Group”, https://slateindex.ai/compare/langfuse-vs-prometheus, data of Nov 2, 2026. Licence: CC BY 4.0.