Langfuse vs Modulate vs Portkey

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

Your tool
Langfuse
vs
Competitor 1
Modulate
Competitor 2
Portkey
Competitor 3
Suggested competitors for Langfuse: Arize Phoenix93% Helicone89% Weights & Biases86% Respan85% Datadog81% New Relic AI78% Dynatrace77% LiteLLM77%
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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 Modulate
modulate.ai
Voice-native AI sounds impressive—until you learn most vendors transcribe audio to text first, then analyze
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Competitor Portkey
portkey.ai
Portkey puts a single API in front of more than 1,600 language models and wraps it with the controls a production AI team needs.
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Traffic estimated monthly website traffic
Monthly visits
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89.1Kvisits/mo
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MoM change
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▲ 48.6%
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6-month growth
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-35.9%
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Global rank web
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#468,492
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Avg. last 3 months
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70.8K
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Bounce rate lower is better
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51%
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Pages / visit
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1.7
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Visit duration
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23s
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Traffic sources
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● Direct 70% · ● Referral 29%
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LangfuseModulatePortkey
068.7K137.5K206.2K274.9KModulate · 249.3KModulate · 24.9KModulate · 274.9KModulate · 138.9KModulate · 34.5KModulate · 68.6KModulate · 63.4KModulate · 59.9KModulate · 89.1K10K100K1MModulate · 249.3KModulate · 24.9KModulate · 274.9KModulate · 138.9KModulate · 34.5KModulate · 68.6KModulate · 63.4KModulate · 59.9KModulate · 89.1KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$29per month · free tier available
$30,000per month
$49per month · free tier available
Free tier
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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
Pay-As-You-Go CustomStarter $30,000/yrGrowth $180,000/yrEnterprise $450,000/yr
Developer FreeProduction $49/moEnterprise Custom
Capabilities input → output
Input
DataText
Audio
Text
Output
Data
DataText
DataText
Skill level
Advanced
Intermediate
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Productivity & OfficeVoice & SpeechAI MonitorAI Transcription
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
12
7
11
AI system monitoring
AI observability
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Prompt management
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Monitoring
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Developer tools
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LLM management
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APIs
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Content moderation
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Fraud detection
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LLM gateway
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API management
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Deepfake detection
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LLM testing
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Model routing
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Scam detection
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Self hosted
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Transcription
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Customer support
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Debugging
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Generative AI evaluation
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LLM behavior analysis
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Prompt security
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Prompts
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 2
▲ 0
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.