Helicone vs Langfuse vs Respan
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Helicone
vs
Competitor 1
Langfuse
Langfuse
Competitor 2
Respan
Respan
Competitor 3
Suggested competitors for Helicone:
Portkey96%
Arize Phoenix85%
LiteLLM82%
Weights & Biases81%
Sherlocks.ai79%
Datadog79%
New Relic AI79%
Dynatrace77%
Portkey96%
Arize Phoenix85%
LiteLLM82%
Weights & Biases81%
Sherlocks.ai79%
Datadog79%
New Relic AI79%
Dynatrace77%
Compare
3 tools · best value per row highlighted
Your tool
Helicone
helicone.ai
Helicone is an AI gateway and LLM observability platform that routes, debugs and analyzes requests from AI applications.
Competitor
Langfuse
Langfuse
langfuse.com
Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications.
Traffic estimated monthly website traffic
Monthly visits
—
—
87.3Kvisits/mo
MoM change
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—
▲ 28.5%
6-month growth
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+881.1%
Global rank web
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#497,399
Avg. last 3 months
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74.8K
Bounce rate lower is better
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41%
Pages / visit
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—
2.5
Visit duration
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19s
Traffic sources
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● Direct 89% · ● Referral 11%
HeliconeLangfuseRespan
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$79per month · free tier available
$29per month · free tier available
$199per month · free tier available
Free tier
Free trial
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–
API access
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Plans
Hobby FreePro $79/moTeam $799/moEnterprise Custom
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
Free FreeTeam $199/yrEnterprise Custom
Capabilities input → output
Input
Data
DataText
DataText
Output
Data
Data
DataText
Skill level
Advanced
Advanced
Advanced
Categories
Tasks what each tool can do · 4 shared · core partial
Tasks covered
8
12
9
AI system monitoring
Monitoring
Prompt management
Developer tools
AI observability
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LLM testing
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Debugging
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LLM gateway
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–
Self hosted
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–
APIs
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–
Application monitoring
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–
Generative AI evaluation
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–
LLM behavior analysis
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LLM development
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–
LLM management
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–
Model routing
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–
Prompts
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–
Red teaming guidance
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–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 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.