Respan vs Modal vs Langfuse

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

Your tool
Respan
vs
Competitor 1
Modal
Competitor 2
Langfuse
Competitor 3
Suggested competitors for Respan: Portkey90% Arize Phoenix82% Weights & Biases82% Helicone82% Datadog78% LiteLLM78% Raygun76% Sherlocks.ai76%
Compare
3 tools · best value per row highlighted
Your tool Respan
respan.ai
Building AI apps
Remove
Competitor Modal
modal.com
Run AI code without infrastructure
Make main Remove
Competitor Langfuse
langfuse.com
Langfuse is an open-source platform for observability and evaluation of AI agents and LLM applications.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
87.3Kvisits/mo
972.8Kvisits/mo
—
MoM change
▲ 28.5%
▲ 5.7%
—
6-month growth
+881.1%
+13.6%
—
Global rank web
#497,399
#43,856
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Avg. last 3 months
74.8K
960K
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Bounce rate lower is better
41%
37%
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Pages / visit
2.5
6.6
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Visit duration
19s
5m 31s
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Traffic sources
● Direct 89% · ● Referral 11%
● Direct 94% · ● Referral 5%
—
RespanModalLangfuse
0291.9K583.7K875.6K1.2MRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KModal · 492.6KModal · 603.8KModal · 774KModal · 803.7KModal · 856.4KModal · 1.2MModal · 987.8KModal · 986.7KModal · 920.5KModal · 972.8K1001K10K100K1M10MRespan · 641Respan · 8.9KRespan · 37.2KRespan · 57.9KRespan · 69.1KRespan · 67.9KRespan · 87.3KModal · 492.6KModal · 603.8KModal · 774KModal · 803.7KModal · 856.4KModal · 1.2MModal · 987.8KModal · 986.7KModal · 920.5KModal · 972.8KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Starting price
$199per month · free tier available
$250per month · free tier available
$29per month · free tier available
Free tier
Free trial
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–
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API access
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Plans
Free FreeTeam $199/yrEnterprise Custom
Starter FreeTeam $250/moEnterprise Custom
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
Capabilities input → output
Input
DataText
Code
DataText
Output
DataText
Apps
Data
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI APIAI Developer Tools+1 more
Development & CodeAI APIAI Developer Tools
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
6
12
Developer tools
AI system monitoring
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LLM testing
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Monitoring
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Prompt management
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APIs
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AI observability
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GPU infrastructure
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Inference
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Self hosted
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Application monitoring
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Debugging
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Development
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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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Performance optimization
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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.