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Cloud · head to head

Grafana Cloud vs PromptLayer

Grafana Cloud logo

Grafana Cloud

Cloud

Composable observability platform

From
Free
Free plan
Yes
Full reviewWebsite
PromptLayer logo

PromptLayer

AI

Collaboration platform for prompt management, evaluation, and observability

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Grafana Cloud active Series (AS) billing model is difficult to predict and control; misconfiguration can cause sudden spikes and unexpected bills; PromptLayer the free plan is capped at only 2,500 requests per month, quite limited for active production use.
  • They diverge on capability: Grafana Cloud covers Grafana Dashboards, PromptLayer covers Visual prompt management.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Grafana Cloud and PromptLayer actually diverge.

Attributes where Grafana Cloud and PromptLayer differ
AttributeGrafana CloudPromptLayer
Pricing modelUnknownfreemium
PlatformsWeb (Chrome, Edge, Firefox, Safari), APIweb, api
CategoryCloudAI
Founded2014Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Grafana Cloud

  • Grafana Dashboards
  • Prometheus Metrics
  • Loki Logs
  • Tempo Traces
  • Alerting
  • OnCall
  • Synthetic Monitoring
  • Incident Management

Only in PromptLayer

  • Visual prompt management
  • Agent observability
  • Evaluations
  • Version control
  • Cost and latency monitoring
  • Agent workflow tracing

What people use each for

The jobs each tool is most often brought in to do.

Grafana Cloud

  • Infrastructure monitoringnot PromptLayer
  • Application monitoringnot PromptLayer
  • Log aggregationnot PromptLayer
  • Distributed tracingnot PromptLayer

PromptLayer

  • Versioning and deploying prompts without code redeploysnot Grafana Cloud
  • Running evaluations with human review before production releasenot Grafana Cloud
  • Tracing multi-step agent workflows for debuggingnot Grafana Cloud
  • Monitoring LLM cost and latency by featurenot Grafana Cloud

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Grafana Cloud

  • Active Series (AS) billing model is difficult to predict and control; misconfiguration can cause sudden spikes and unexpected bills
  • Reduced control and customization compared to self-hosted Grafana instances
  • Data sovereignty concerns for organizations requiring on-premises data retention
  • Limited reporting types compared to traditional BI tools for compliance and audit requirements

PromptLayer

  • The free plan is capped at only 2,500 requests per month, quite limited for active production use.
  • The Team plan jumps to $500/month, a large step up from the $49/month Pro plan.
  • Overage transaction fees apply on top of subscription costs, which can make total spend less predictable.
  • Enterprise-grade features like HIPAA BAAs and custom deployment require contacting sales.

Pricing, plan by plan

Grafana Cloud

Free
  • FreeFree
    • 10k active series (metrics)
    • 50GB logs/traces per month
    • 3 active users
  • Pro$19/month
    • Usage-based pricing beyond free tier
    • 8 USD per active visualization user
    • Included Grafana Alerting
  • Enterprise$25000/year
    • Minimum annual commitment
    • Full-service deployment options
    • Premium support

PromptLayer

Free
  • FreeFree
    • 5 users
    • 2,500 requests/month
    • 1 workspace
  • Pro$49/month
    • Unlimited playgrounds and workspaces
    • 150MB datasets
    • Pay-as-you-go overage at $0.003/transaction
  • Team$500/month
    • 25 users
    • 100k+ monthly requests
    • Webhooks
  • Enterprise$undefined/mo
    • Custom limits
    • Role-based access controls
    • HIPAA with BAA

Which should you pick?

Choose Grafana Cloud if

  • You need grafana dashboards.
  • You want to start without paying.
  • You work on Web (Chrome, Edge, Firefox, Safari), API.
  • You also want prometheus metrics.
Grafana Cloud review

Choose PromptLayer if

  • You need visual prompt management.
  • You want to start without paying.
  • You work on web, api.
  • You also want agent observability.
PromptLayer review

Questions people ask

Is Grafana Cloud or PromptLayer better?
Neither clearly leads. Grafana Cloud starts at Free and PromptLayer at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Grafana Cloud or PromptLayer?
Grafana Cloud starts at Free and PromptLayer at Free.
Does Grafana Cloud or PromptLayer run on more platforms?
Grafana Cloud runs on Web (Chrome, Edge, Firefox, Safari), API. PromptLayer runs on web, api.
Can I use Grafana Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Grafana Cloud best used for?
Grafana Cloud is most often used for infrastructure monitoring, application monitoring, log aggregation, distributed tracing. Of those, infrastructure monitoring and application monitoring are not what PromptLayer is typically brought in for.
What can Grafana Cloud do that PromptLayer cannot?
Grafana Cloud covers Grafana Dashboards, Prometheus Metrics, Loki Logs, Tempo Traces. PromptLayer covers Visual prompt management, Agent observability, Evaluations, Version control.

Answered from the vendors’ own pages

Grafana Cloud: What are the exact limits of Grafana Cloud's free tier?

Grafana Cloud free tier includes 10,000 active series for metrics, 50GB logs and traces per month, 3 active visualization users, and 14-day retention with community support. No credit card required.

Source
PromptLayer: What does PromptLayer cost?

PromptLayer has a free plan, a Pro plan at $49/month, a Team plan at $500/month, and custom Enterprise pricing, with additional usage billed per transaction beyond plan limits.

Source
Grafana Cloud: How is Grafana Cloud billed, and what are the per-unit costs?

Grafana Cloud Pro tier starts at $19/month platform fee plus usage-based charges. Metrics cost $6.50 per 1,000 active series above free limits, logs and traces are charged per GB ingested, and visualization users are $8 per active user.

Source
PromptLayer: Is there a free plan, and what are its limits?

The Free plan includes 5 users, 2,500 requests per month, 1 workspace, 250 monthly eval cell executions, and datasets up to 10MB.

Source
Grafana Cloud: Can I use Grafana Cloud for open-source Grafana deployments?

Grafana Cloud is the managed cloud service version. Open-source Grafana is free and can be self-hosted indefinitely on your own infrastructure.

Source
PromptLayer: How is usage metered beyond the plan limits?

Additional usage is charged per transaction for requests, agent runs, and evaluation cell runs, at $0.003/transaction on Pro and $0.002/transaction on Team.

Source
Grafana Cloud: What observability signals does Grafana Cloud include?

Grafana Cloud includes metrics (via Mimir), logs (via Loki), traces (via Tempo), profiles, and synthetics, with unified querying and visualization across all signals.

Source
Grafana Cloud: Does Grafana Cloud include alerting and how is it priced?

Yes, Grafana Alerting is included at no additional charge across all tiers. Rule storage, evaluation, and notification delivery are covered by the platform fee with no per-alert or per-notification fees.

Source
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