Best Free Datadog Alternatives

26 alternatives to Datadog with a free plan or free tier, ranked by how closely they match. The percentage is a match score, not a popularity score.

Replacing: Datadog — Datadog is a cloud-scale observability and security service that brings infrastructure metInput: data, code · Output: data
1
Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications.
Input: text, data · Output: data
Free planFrom $29/moAPITeams
AI Monitor
2
New Relic AI is a generative assistant built into the New Relic observability platform that lets people ask questions about their systems in everyday language.
Input: text, data, code · Output: text, code
Free planTeams
AI Monitor
3
Arize Phoenix is an open-source platform for AI observability and evaluation, built by Arize.
Input: text, data · Output: data
Free planFrom $50/moAPITeams
AI Monitor
4
Helicone is an AI gateway and LLM observability platform that routes, debugs and analyzes requests from AI applications.
Input: data · Output: data
Free planFrom $79/moAPITeams
AI Monitor
5
Cisco AI Canvas creates a unified workspace where IT operations teams handle incidents across networking, security, collaboration, and observability domains simultaneously
Input: text, data · Output: text, data
Free planTeams
AI Monitor

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At a glance: top Datadog alternatives

ToolMatchInputOutputPricingFree planRatingCategory
Langfuse 94% text, data data From $29/mo Yes — AI Monitor
New Relic AI 93% text, data, code text, code Freemium Yes — AI Monitor
Arize Phoenix 89% text, data data From $50/mo Yes — AI Monitor
Helicone 88% data data From $79/mo Yes — AI Monitor
Cisco AI Canvas 79% text, data text, data Freemium Yes — AI Monitor
Parallel Monitor API 76% text data From $9.99/mo Yes — AI Monitor

Frequently asked

What is the best free Datadog alternative?
Langfuse (94% match) is the closest free alternative to Datadog: Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications. New Relic AI (93% match) and Arize Phoenix (89% match) come next.
What is the best Datadog alternative for software development?
Respan ranks first for software development at 89% match. See the full list of Datadog alternatives for Software Development.
How is the match percentage calculated?
It measures how much of Datadog's job a tool can take over: shared core category, how many of the same use cases it covers and how similar its feature set is. Popularity and ratings never change the percentage; they only break ties in the order. Lists are recomputed nightly and reviewed by editors for the most-visited tools.

How this list is ranked

The match score measures how much of Datadog's job each tool can take over: shared core category, how many of the same use cases it covers, and how similar its feature set is. Popularity and ratings do not change the score; they only break ties in the order.

Lists are recomputed nightly from the live catalog and reviewed by our editors for the most-visited tools. Sponsored placements are marked and sit outside the ranking.