Langfuse vs Respan vs Lambda vs Sherlocks.ai

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

Your tool
Langfuse
vs
Competitor 1
Respan
Competitor 2
Lambda
Competitor 3
Sherlocks.ai
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.
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Competitor Respan
respan.ai
Building AI apps
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Competitor Lambda
lambda.ai
Lambda is a GPU cloud built for training and serving AI models.
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Competitor Sherlocks.ai
sherlocks.ai
When production systems fail at 3 AM, Sherlocks
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Traffic estimated monthly website traffic
Monthly visits
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87.3Kvisits/mo
—
39.2Kvisits/mo
MoM change
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▲ 28.5%
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▲ 1,022.6%
6-month growth
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+881.1%
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+1,482.1%
Global rank web
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#497,399
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#729,963
Avg. last 3 months
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74.8K
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15.5K
Bounce rate lower is better
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41%
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57%
Pages / visit
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2.5
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3.8
Visit duration
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19s
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5m 24s
Traffic sources
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● Direct 89% · ● Referral 11%
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● Direct 100%
LangfuseRespanLambdaSherlocks.ai
021.8K43.6K65.4K87.3KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KSherlocks.ai · 2.5KSherlocks.ai · 3.2KSherlocks.ai · 5.7KSherlocks.ai · 3.8KSherlocks.ai · 3.5KSherlocks.ai · 39.2K1001K10K100KRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KSherlocks.ai · 2.5KSherlocks.ai · 3.2KSherlocks.ai · 5.7KSherlocks.ai · 3.8KSherlocks.ai · 3.5KSherlocks.ai · 39.2KFeb '26MarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
$29per month · free tier available
$199per month · free tier available
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Free tier
Free tier
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Free trial
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API access
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Plans
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
Free FreeTeam $199/yrEnterprise Custom
On-demand instances (8x GPU) CustomOn-demand instances (1x GPU) Custom1-Click Clusters CustomReserved / Superclusters Custom
Free FreeEnterprise Contact us
Capabilities input → output
Input
DataText
DataText
CodeData
DataText
Output
Data
DataText
Apps
Text
Skill level
Advanced
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI Developer Tools
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
12
9
3
9
Developer tools
Monitoring
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AI system monitoring
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Debugging
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LLM testing
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Prompt management
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Application monitoring
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AI observability
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GPU infrastructure
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Root cause analysis
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Site reliability management
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Self hosted
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APIs
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Generative AI evaluation
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Kubernetes diagnostics
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Kubernetes troubleshooting
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LLM behavior analysis
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LLM development
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LLM management
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Model training
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Prompts
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Red teaming guidance
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Triage optimization
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
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Saves
0
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Reviews
0
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Prompts
0
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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.