Langfuse vs Datadog

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Langfuse
vs
Competitor 1
Datadog
Competitor 2
Competitor 3
Suggested competitors for Langfuse: Arize Phoenix92% Helicone88% Respan87% Portkey84% Weights & Biases84% LiteLLM79% Alma by Olivares AI79% Sherlocks.ai78%
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2 tools · best value per row highlighted
Your tool Langfuse
langfuse.com
Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications.
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Competitor Datadog
datadoghq.com
Datadog is a cloud-scale observability and security service that brings infrastructure metrics, application traces, logs, security signals and user experience data into one place.
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Traffic estimated monthly website traffic
Monthly visits
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MoM change
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6-month growth
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Global rank web
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Avg. last 3 months
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Bounce rate lower is better
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Pages / visit
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Pricing
Model
Freemium
Freemium
Starting price
$29per month · free tier available
$15per month · free tier available
Free tier
Free trial
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API access
Plans
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
Infrastructure Free FreeInfrastructure Pro $15/moInfrastructure Enterprise $23/moDevSecOps Pro $22/mo+3 more
Capabilities input → output
Input
DataText
CodeData
Output
Data
Data
Skill level
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
7
8
Monitoring
AI system monitoring
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Application monitoring
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Cloud monitoring
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Infrastructure monitoring
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Cloud security
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Database monitoring
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Developer tools
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LLM testing
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Security monitoring
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Self hosted
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Vulnerability analysis
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Debugging
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LLM management
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
Upvotes
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Saves
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Reviews
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Prompts
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.