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FreeFreePro$18/moEnterprise$27/mo
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All Datadog LLM Observability Plans & Pricing

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Free Not specified
Pro Not specified
Enterprise Not specified
DevSecOps Pro Not specified
DevSecOps Enterprise Not specified
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Your projected cost$450per month · $18/unit × 25units
Year 1 license$5.4K12 months at this rate
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List price by tier (annualized, per unit)

Per-unit list price across Datadog LLM Observability's plans, annualized. Custom-priced tiers show a hatched bar.

FreeCustom
Pro$216/yr
Enterprise$324/yr
DevSecOps Pro$324/yr
DevSecOps Enterprise$492/yr
Quick Answer
Last verified:
High confidence

Datadog LLM Observability costs Free to $41 per month as of August 2026, with 5 plans available including a free tier. Plans: Free (free), Pro at $18/month, Enterprise at $27/month, DevSecOps Pro at $27/month, and DevSecOps Enterprise at $41/month. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: Yes

Datadog LLM Observability offers 5 pricing tiers: Free, Pro, Enterprise, DevSecOps Pro, DevSecOps Enterprise. A free plan is available. Paid plans include Pro at $18/per host, per month, Enterprise at $27/per host, per month, DevSecOps Pro at $27/per host, per month.

Compared to other ai observability & evals software, Datadog LLM Observability is positioned at the budget-friendly price point.

  • 13 documented hidden costs beyond list price
  • Contracts auto-renew — at least 15 days before the expiration of the current order term; some older agreements mention a 30-day notice period
  • G2 rating: 4.4 out of 5 from 707 reviews (as of Jul 2026)
Last verified: | Sources: 1 pricing pages and reviews

How much does Datadog LLM Observability cost?

Datadog LLM Observability offers a free plan with 4 paid tiers from $18 to $41/month. Plans include Free (free), Pro at $18/month, Enterprise at $27/month, DevSecOps Pro at $27/month, DevSecOps Enterprise at $41/month.

Datadog LLM Observability Pricing Overview

Datadog LLM Observability has 5 pricing plans, including a free tier. Paid plans range from $0 to $41/month. The Free plan is free. The Pro plan costs $18/month. The Enterprise plan costs $27/month. The DevSecOps Pro plan costs $27/month. The DevSecOps Enterprise plan costs $41/month.

Datadog LLM Observability contracts auto-renew.

There are at least 13 documented hidden costs beyond Datadog LLM Observability's list price, including implementation, training, and add-on fees.

This pricing was last verified in June 13, 2026 from 1 independent source.

Try Datadog LLM Observability Free

Datadog LLM Observability offers several pricing tiers to meet different needs. The Free tier provides basic access, while paid plans like Pro, Enterprise, DevSecOps Pro, and DevSecOps Enterprise offer advanced features at varying price points. Pricing is typically per host, per month.

How Datadog LLM Observability Pricing Compares

Compare Datadog LLM Observability pricing against top alternatives in AI Observability & Evals.

Arize Phoenix $0-$1000/month View pricing → Braintrust $0-$1000/month View pricing → Helicone $0-$2000/month View pricing →

Compare Datadog LLM Observability vs Alternatives

Before committing to Datadog LLM Observability, compare pricing with these 3 alternatives in the same category.

VSArize Phoenix
Free

Teams wanting self-hosted observability

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VSBraintrust
Free

Solo developers and small evaluations

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VSHelicone
Free

Side projects and evaluation

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All Datadog LLM Observability alternatives & migration guides

What Companies Actually Pay for Datadog LLM Observability

Review scores
TrustRadius 8.7out of 10 (354)
Trustpilot 1.8out of 5 (23)
G2 4.4out of 5 (707)
Third-party review aggregates, as of Jul 2026

Score gap reflects platform demographics — G2 surveys verified business users; Trustpilot is open to all, skewing toward support complaints.

Top pricing complaints
Bolted-on Feel and Lack of LLM-First DesignCostLimited Evaluation Workflows and Eval DepthPrompt Debugging and Detailed Tracing Limitations

How Datadog LLM Observability Pricing Compares

Software Starting Price Top Price
Datadog LLM Observability Free $41/month
Arize Phoenix Free $1000/month
Braintrust Free $1000/month
Helicone Free $2000/month
Humanloop Custom Custom
Langfuse Free $2499/month

Browse all AI Observability & Evals pricing →

13 Datadog LLM Observability Hidden Costs Beyond the List Price

Beyond the listed price, Datadog LLM Observability has at least 13 documented hidden costs that can significantly increase total cost of ownership.

Watch for 13 hidden costs
  • AI Workload Bill Increases 40% to 200%
    critical 1 source
    industry "AI workloads, in particular, can cause bill increases ranging from 40% to 200%"
  • Token Ingestion $0.10 per 1,000 tokens
    medium 1 source
    industry "Specific costs associated with LLM Observability include: * Token Ingestion: Approximately $0.10 per 1,000 tokens, which covers both prompts and completions"
  • Session Billing (RUM Integration) $1.50 per 1,000 sessions
    medium 1 source
    industry "Session Billing: If LLM Observability is integrated with Real User Monitoring (RUM), additional charges of approximately $1.50 per 1,000 sessions apply for end-to-end AI visibility"
  • Automatic LLM Premium $120 per day
    high 1 source
    industry "Automatic Premium: Datadog's LLM Observability can automatically activate a premium of approximately $120 per day when AI spans are detected, with no apparent opt-out option"
  • Per-Host Billing (High-Water Mark)
    high 1 source
    industry "This includes per-host billing in dynamic environments, where a "host" can be broadly defined and a high-water mark system bills for peak usage throughout the month"
  • Log Indexing $1.70 to $2.55 per million log events
    medium 1 source
    industry "Log management also incurs costs for ingestion ($0.10 per GB) and indexing ($1.70 to $2.55 per million log events depending on retention)"
  • LLM Requests $8 per 10,000 monitored LLM requests per month
    medium 1 source
    industry "LLM Requests: Datadog's LLM Observability is priced at $8 per 10,000 monitored LLM requests per month."
  • Volume-Based Fees
    high 1 source
    industry "Volume-Based Fees Separate from Existing Contracts: Datadog's ingestion pipeline automatically routes LLM data into the LLM Observability product, triggering volume-based fees separate from existing Application Performance Monitoring (APM) contracts."
  • Custom Metrics Overages $5.00 per 100 custom metrics/month (Pro), $2 per 100,000 additional custom events (Enterprise)
    high 1 source
    industry "On the Pro plan, 100 custom metrics per host are included, with overages billed at $5.00 per 100 custom metrics/month."
  • Tiered Retention
    medium 1 source
    industry "Longer retention periods increase the expense."
  • Infrastructure and APM Costs $15/host/month (Pro, annual), $23/host/month (Enterprise, annual), $31-$40 per host per month (APM), $0.10/GB (span ingestion overage), $1.27–$2.50 per million (indexed span overage)
    high 1 source
    industry "Each APM host includes an allotment of 150 GB of ingested spans and 1 million indexed spans per month, with overages charged at $0.10/GB for additional span ingestion and $1.27–$2.50 per million additional indexed spans."
  • Product Sprawl
    high 1 source
    industry "Product Sprawl: Datadog offers over 20 separately priced products, and enabling multiple products (e.g., Infrastructure, APM, Log Management, RUM, Synthetics, AI Observability) can lead to costs stacking up rapidly."
  • Unexpected Cost Escalation 2 to 3 times higher than initial estimates, 58x cost difference
    critical 1 source
    industry "Unexpected Cost Escalation: Many teams report actual bills being 2 to 3 times higher than initial estimates due to the compounding effect of logs, APM, and custom metrics."
Tip

Ask your Datadog LLM Observability sales rep about these costs upfront. Getting them in writing before signing can save you from surprise charges later.

Full hidden costs breakdown →

Intelligence sourced from 4 independent sources
industry TrustRadius Enterprise reviews Trustpilot Consumer reviews G2 B2B reviews
Key claims include inline source attribution. Data verified against multiple independent sources. 14 source citations total.

Datadog LLM Observability Contract Terms

Datadog LLM Observability contracts auto-renew. Changes require at least 15 days before the expiration of the current order term; some older agreements mention a 30-day notice period. These terms are sourced from verified buyer experiences.

Contract Terms
Auto-Renewal Yes
Cancellation Notice at least 15 days before the expiration of the current order term; some older agreements mention a 30-day notice period
Based on 1 verified source

Datadog LLM Observability Pricing FAQ

01 Is there a free plan available?

Yes, Datadog LLM Observability has a Free tier.

02 What is the cheapest paid plan?

The Pro plan is the cheapest paid plan, costing $18.0 per host, per month when billed monthly, or $15.0 per host, per month when billed annually.

03 Are there discounts for annual billing?

Yes, annual billing offers a reduced per-host, per-month rate compared to monthly billing for the Pro, Enterprise, DevSecOps Pro, and DevSecOps Enterprise plans.

Is this pricing incorrect? — we'll verify and update it.