Langfuse vs Defapi vs Helicone

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

Your tool
Langfuse
vs
Competitor 1
DDefapi
Competitor 2
Helicone
Competitor 3
Suggested competitors for Langfuse: Arize Phoenix93% Weights & Biases86% Portkey86% Respan85% Datadog81% New Relic AI78% Dynatrace77% LiteLLM77%
Compare
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.
Remove
Competitor DDefapi
defapi.org
You know how managing multiple AI provider integrations usually means maintaining separate codebases for each vendor
Make main Remove
Competitor Helicone
helicone.ai
Helicone is an AI gateway and LLM observability platform that routes, debugs and analyzes requests from AI applications.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
2.4Kvisits/mo
—
MoM change
—
▼ 42.6%
—
6-month growth
—
-86.2%
—
Global rank web
—
#4,650,820
—
Avg. last 3 months
—
4.8K
—
Bounce rate lower is better
—
36%
—
Pages / visit
—
1.4
—
Visit duration
—
7s
—
Traffic sources
—
—
—
LangfuseDefapiHelicone
04.4K8.8K13.3K17.7KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4K1K10K100KDefapi · 11.1KDefapi · 13KDefapi · 12.4KDefapi · 17.7KDefapi · 9.4KDefapi · 6.2KDefapi · 7.6KDefapi · 4.2KDefapi · 2.4KDec '25Jan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Starting price
$29per month · free tier available
—
$79per month · free tier available
Free tier
–
Free trial
–
–
API access
Plans
Hobby FreeCore $29/moPro $199/moTeams add-on $300/mo+1 more
Gemini 3.1 Pro Preview $1/$6/per requestClaude Sonnet 4.6 $1.5/$7.5/per requestClaude Opus 4.6 $2.5/$12.5/per requestSora 2 Stable $0.175+/per request+2 more
Hobby FreePro $79/moTeam $799/moEnterprise Custom
Capabilities input → output
Input
DataText
AudioImagesText
Data
Output
Data
AudioImagesText
Data
Skill level
Advanced
Advanced
Advanced
Categories
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Development & CodeAI API
Development & CodeProductivity & OfficeAI Developer ToolsAI Monitor
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
12
4
8
AI observability
–
AI system monitoring
–
Developer tools
–
Monitoring
–
Prompt management
–
Debugging
–
API integrations
–
–
APIs
–
–
LLM gateway
–
–
API management
–
–
LLM testing
–
–
Self hosted
–
–
API security
–
–
Generative AI evaluation
–
–
LLM behavior analysis
–
–
LLM management
–
–
Model routing
–
–
Prompts
–
–
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
–
–
–

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.