Langfuse vs Predictionguard vs Elmo

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

Your tool
Langfuse
vs
Competitor 1
Predictionguard
Competitor 2
Elmo
Competitor 3
Suggested competitors for Langfuse: Arize Phoenix92% Helicone88% Respan87% Portkey84% Weights & Biases84% Datadog81% Alma by Olivares AI79% LiteLLM79%
Compare
3 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 Predictionguard
predictionguard.com
Make main Remove
Competitor Elmo
elmohq.com
Open source AEO
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
6.1Kvisits/mo
11.1Kvisits/mo
MoM change
—
▲ 44.6%
▲ 289.8%
6-month growth
—
+131.0%
—
Global rank web
—
#3,117,821
#1,949,560
Avg. last 3 months
—
4.4K
5K
Bounce rate lower is better
—
46%
40%
Pages / visit
—
2.0
2.3
Visit duration
—
1m 28s
8s
Traffic sources
—
—
—
LangfusePredictionguardElmo
02.8K5.5K8.3K11.1KPredictionguard · 1.4KPredictionguard · 2.9KPredictionguard · 2.7KPredictionguard · 2.6KPredictionguard · 8.1KPredictionguard · 5.4KPredictionguard · 3KPredictionguard · 4.2KPredictionguard · 6.1KElmo · 1.6KElmo · 1.6KElmo · 1.1KElmo · 2.8KElmo · 11.1K1K10K100KPredictionguard · 1.4KPredictionguard · 2.9KPredictionguard · 2.7KPredictionguard · 2.6KPredictionguard · 8.1KPredictionguard · 5.4KPredictionguard · 3KPredictionguard · 4.2KPredictionguard · 6.1KElmo · 1.6KElmo · 1.6KElmo · 1.1KElmo · 2.8KElmo · 11.1KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$29per month · free tier available
$6per month · free tier available
$29per month · free tier available
Free tier
Free trial
–
–
–
API access
–
–
Plans
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
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Free (Self-hosted) FreeStarter $29/moBasic $99/moPro $299/mo+1 more
Capabilities input → output
Input
DataText
Text
Text
Output
Data
AppsText
Data
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Business & MarketingProductivity & OfficeAI MonitorAI SEO Tools
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
3
4
AI system monitoring
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Monitoring
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Developer tools
–
–
LLM testing
–
–
Self hosted
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–
Debugging
–
–
LLM management
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–
LLM security guidance
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–
SEO
–
–
SEO analysis
–
–
SEO recommendations
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–
Security monitoring
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
Saves
0
0
0
Reviews
0
0
0
Prompts
0
0
0
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.