
Datadog LLM Observability (Agent Observability)
Renamed: Agent Observability
Datadog module tracing LLM apps and agents end to end with quality, safety and cost monitoring.
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What it does
Datadog LLM Observability gives teams visibility into production AI applications and agentic workloads. Teams feed in telemetry from multi step workflows, model calls, and orchestration frameworks to monitor output quality, safety, and operational performance. It is built for engineering teams shipping and operating models or agents in production.
Read more: 1 features and how people use themShow less
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Online evaluations
Evaluates production model and agent outputs continuously to help teams understand output quality, safety, and performance.
Use caseAn AI engineer tracks output quality and safety across live user requests to pick the right model for each stage of an inference pipeline.
From datadoghq.com/state-of-ai-engineering
Written from Datadog LLM Observability's own website, checked . Each feature links to the page it comes from; images are Datadog LLM Observability's own.
Every plan
| Plan | Monthly | Billed yearly | Per | What it includes |
|---|---|---|---|---|
| Free | Free | Not listed | per account | up to 40k LLM spans/mo, 15 day retention |
| Pro | $200 | $160 | per account | 100k LLM spans included; extra $3.50/10k (annual), $4.20/10k (monthly); on demand $240 base, $5/10k |
| Enterprise | Not listed | Not listed | per account | contact sales |
From Datadog LLM Observability (Agent Observability)'s own pricing page, checked . Prices are in US dollars per month; "billed yearly" is the monthly price when you pay for a year up front. Some of these figures came from third party reports and could not be confirmed on the official page.
Before you pay
- Export your data
- Yes
What Datadog LLM Observability says
Agent Observability offers an Export API that you can use to retrieve spans for running external evaluations.
Source page
Only what Datadog LLM Observability's own pages state, with the quote behind each answer. Anything they don't publish is left out rather than guessed.
Getting started with Datadog LLM Observability
- Obtain your Datadog API key from organization settings if you do not have a Datadog Agent running.
- Install the SDK package appropriate for your application, such as ddtrace for Python, dd trace for Node.js, or dd java agent.jar for Java.
- Run your application with the required environment variables, including DD_LLMOBS_ENABLED, DD_LLMOBS_ML_APP, and DD_API_KEY.
- Make requests to your application that trigger LLM calls.
- View and analyze traces under the Traces tab on the Agent Observability page in Datadog.
Written from Datadog LLM Observability's own help pages: docs.datadoghq.com/llm_observability/quicksta...
Datadog LLM Observability video tutorials
Independent creators on YouTube, not Datadog LLM Observability or us. The video loads from YouTube only when you press play.
What the free plan includes
Free tier up to 40k LLM spans/
Questions people ask about Datadog LLM Observability
How much does Datadog LLM Observability cost?
Paid plans start at $200 a month (Pro). 3 plans are listed above, from Datadog LLM Observability's own pricing page.
Is Datadog LLM Observability free?
Yes, there is a free plan: Free tier up to 40k LLM spans/month, 15 day retention (per third party snapshot).
Does Datadog LLM Observability have an API?
Yes.
How is Agent Observability metered and billed?
Agent Observability is metered and billed on the number of LLM spans ingested. An LLM span represents a single request to an LLM provider, so one agent workflow can produce several LLM spans. Source
Works with
- Integrations
- OpenAI, LangChain, AWS Bedrock, Anthropic, Claude Agent SDK, CrewAI, Google ADK, Google GenAI, LangGraph, LiteLLM
- AI models
- OpenAI GPT 4, text embedding ada 002, gpt 4o mini
Where this came from
Plans, prices and limits were copied from Datadog LLM Observability (Agent Observability)'s own pages and the other sources listed, then checked .
- docs.datadoghq.com/llm_observability/
- truefoundry.com/blog/datadog-llm-observability-pricing
- pricingsaas.com/companies/datadog.llm-observability/diffs/2026W18
- datadoghq.com/products/ai/agent-observability/
- docs.datadoghq.com/llm_observability/quickstart/terms/
- docs.datadoghq.com/llm_observability/instrument/auto_instrumentatio...
- docs.datadoghq.com/llm_observability/investigate/evaluations/
- docs.datadoghq.com/getting_started/site/
- docs.datadoghq.com/llm_observability/quickstart/?tab=python
- learn.datadoghq.com/courses/llm-obs-getting-started
- docs.datadoghq.com/api/latest/?tab=java
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