Langfuse vs Predictionguard vs Respan vs LiteLLM

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
Respan
Competitor 3
LiteLLM
Compare
4 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.
Competitor Predictionguard
predictionguard.com
Competitor Respan
respan.ai
Building AI apps
Competitor LiteLLM
litellm.ai
LiteLLM is an open-source AI gateway and LLM proxy that puts more than 140 providers and 1,800 models behind one OpenAI-compatible API key.
Traffic estimated monthly website traffic
Monthly visits
—
6.1Kvisits/mo
87.3Kvisits/mo
—
MoM change
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▲ 44.6%
▲ 28.5%
—
6-month growth
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+131.0%
+881.1%
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Global rank web
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#3,117,821
#497,399
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Avg. last 3 months
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4.4K
74.8K
—
Bounce rate lower is better
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46%
41%
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Pages / visit
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2.0
2.5
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Visit duration
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1m 28s
19s
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Traffic sources
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—
● Direct 89% · ● Referral 11%
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LangfusePredictionguardRespanLiteLLM
021.8K43.6K65.4K87.3KPredictionguard · 1.4KPredictionguard · 2.9KPredictionguard · 2.7KPredictionguard · 2.6KPredictionguard · 8.1KPredictionguard · 5.4KPredictionguard · 3KPredictionguard · 4.2KPredictionguard · 6.1KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3K1001K10K100KPredictionguard · 1.4KPredictionguard · 2.9KPredictionguard · 2.7KPredictionguard · 2.6KPredictionguard · 8.1KPredictionguard · 5.4KPredictionguard · 3KPredictionguard · 4.2KPredictionguard · 6.1KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free
Starting price
$29per month · free tier available
$6per month · free tier available
$199per month · free tier available
Free
Free tier
Free trial
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–
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API access
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Plans
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
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Free FreeTeam $199/yrEnterprise Custom
Open Source FreeEnterprise Custom
Capabilities input → output
Input
DataText
Text
DataText
Text
Output
Data
AppsText
DataText
DataText
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
1
2
3
2
AI system monitoring
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APIs
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LLM gateway
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Developer tools
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Security monitoring
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
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.