Prometheus vs Sematext: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Prometheus and Sematext side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Prometheus leads on a free plan; Sematext leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Prometheus
Monitoring and alerting toolkit
Best for you if:
- • You want a fully free tool (Sematext requires payment)
Sematext
End-to-end visibility for modern teams with robust IT system monitoring tools.
Best for you if:
- • You want transparent and predictable pricing model, avoiding surprise bills
| At a Glance | Prometheus | Sematext |
|---|---|---|
Starts at | Free 100% free | From $1.68/mo, billed monthly Network Map plan |
Category | DevOps Monitoring | Monitoring DevOps |
Rating | 4.5/5 G2 4.5 61 reviews | 4.7/5 G2 4.7 · Capterra 4.8 67 reviews |
Free plan | Yes | No |
Watch out for | Storage costs grow linearly with metric cardinality and retention period | Overage fees for data ingestion/usage |
Choose Prometheus or Sematext?
Choose Prometheus if
- You want a fully free tool (Sematext requires payment)
- You want industry standard
- You want great for metrics
- You work in DevOps, not monitoring
Choose Sematext if
- You want transparent and predictable pricing model, avoiding surprise bills
- You want comprehensive full-stack observability from a single platform
- You work in monitoring, not DevOps
In-Depth Analysis
Prometheus
Monitoring and alerting toolkit
Prometheus is 100% free and open source (Apache 2.0).
Watch out
Storage costs grow linearly with metric cardinality and retention period
Strengths
- Pro: Industry standard
- Pro: Great for metrics
- Pro: Open source
Weaknesses
- Con: Long-term storage
- Con: Learning curve
Key features
Sematext
End-to-end visibility for modern teams with robust IT system monitoring tools.
Sematext offers highly granular and competitive pricing, allowing users to pay only for the specific monitoring tools they need.
Watch out
Overage fees for data ingestion/usage
Strengths
- Pro: Transparent and predictable pricing model, avoiding surprise bills.
- Pro: Comprehensive full-stack observability from a single platform.
- Pro: Significant cost savings compared to alternatives like Datadog.
- Pro: Easy setup and responsive UI, designed for sys admins.
- Pro: Excellent customer support and proactive assistance.
Weaknesses
- Con: Specific cons are not explicitly mentioned in the provided text.
- Con: The product updates page is very detailed, which might be overwhelming for new users.
Key features
Plans and prices: Prometheus vs Sematext
| Tool | Plans and prices | Source |
|---|---|---|
| Prometheus |
| prometheus.io read Oct 2, 2026 |
| Sematext |
| sematext.com/pricing read Oct 14, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Prometheus pricing and Sematext pricing.
Key Takeaways
Prometheus
- Has a free plan
Sematext
- Higher user rating: 4.7/5 vs 4.5/5
What the data shows
On the data below, Prometheus leads on a free plan; Sematext leads on higher user rating. We do not name an overall winner for this pair.
- Sematext has the higher user rating (4.5/5 from 61 reviews for Prometheus, 4.7/5 from 67 reviews for Sematext).
- Sematext starts at $1.68/mo, billed monthly; Prometheus has no public paid plan price on file.
- Only Prometheus has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Prometheus and Sematext compare in 2026?
On the data below, Prometheus leads on a free plan; Sematext leads on higher user rating. We do not name an overall winner for this pair. Sematext has the higher user rating (4.5/5 from 61 reviews for Prometheus, 4.7/5 from 67 reviews for Sematext). Sematext starts at $1.68/mo, billed monthly; Prometheus has no public paid plan price on file. Only Prometheus has a free plan.
What are Prometheus and Sematext used for?
Prometheus: Monitoring and alerting toolkit. Sematext: End-to-end visibility for modern teams with robust IT system monitoring tools.
What does Prometheus cost vs Sematext?
Prometheus is free. Sematext's cheapest paid plan is Network Map at $1.68/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 14, 2026.
What's the main difference between Prometheus and Sematext?
Prometheus's main strength: industry standard. Sematext's main strength: transparent and predictable pricing model, avoiding surprise bills.